The whole principle of operation of the starter on an alpha moped

Ignition coil T1 with spark plug FV1 is located outside the switch and is shown conditionally.

One of the contacts, of course, is common.

Ignition coil 2. Dashboard alpha modification

It is worth noting that the high-voltage wire is connected to the cap without soldering.

To protect against dust, dirt and accidental short circuits, the coil is covered with a rubber cover.

On a scooter, the common wire is minus -.

The relay regulator on Chinese scooters is installed in the front part under a plastic fairing. There are other voltage regulator relays, where the colors are even more changed, but more about that later.

They are supplied with power from the battery.

Location of the main elements of the Alpha moped

The scooter does not start from the starter - reasons and methods for solving the problem

A common problem is that a scooter or moped starts with a kickstarter, but refuses to start with an electric starter. Let's consider all possible causes and methods for eliminating them. There may be several reasons why a scooter or moped does not start from the starter, both individually and in combination. Let's look at each of them:

Electric starter does not work

The scooter will not start from the starter if the electric starter itself is faulty. Everything is simple here. If the battery is serviceable and charged, the entire electrical circuit works, but when you press the starter button, only a click of the relay is heard, most likely the electric starter is faulty, or the contacts have come loose (oxidized).

It is very easy to check if the starter is working properly. Apply voltage to it directly from the battery, bypassing the starter relay. If the starter turns, then it is normal.

Starter relay does not work

The scooter will not start from the starter if the starter relay is not working. A faulty starter relay cannot start the starter, here everything is also simple and clear. If you do not hear the relay click when you press the starter button, it may be faulty. The relay needs to be replaced.

Starter button doesn't work

A failed electric starter button cannot close the circuit and supply power to the relay and starter, respectively. The button needs to be replaced. Sometimes wd-40 helps.

Brake contact (toad) does not work

As you know, modern scooters cannot be started from an electric starter without pressing the handle of one of the brakes. Each brake lever is equipped with a closing contact that turns on the brake light during braking. It is also responsible for closing the circuit to the electric starter.

Make sure that when you press the brake handle, the brake light is activated.

Contacts have come loose or oxidized

The starter contacts, as well as the starter relay chip, could have oxidized or come off. Inspect the contacts carefully and the quality of their connections. Make sure there is no oxide on the contacts.

Bendix doesn't work

If, when you try to start the scooter with an electric starter, the electric starter itself rotates and does not engage with the crankshaft, most likely the bendix has failed.

Dead battery

The scooter will not start from the starter if the battery is dead. A dead battery cannot crank the crankshaft with the proper force. Sometimes, when the battery is dead, the bendix does not transmit force to the crankshaft and we simply hear the starter twisting, as happens with a faulty bendix. Make sure the battery is charged.

The battery has failed

Over time, the battery capacity decreases, especially when used year-round. Such a battery, even if fully charged, instantly loses capacity under load. Even a fully charged battery, when trying to start it with the starter, can reduce the voltage to 6-8 volts. Starting the scooter with an electric starter in this situation will not work. The battery needs to be replaced.

Fuse blown

The fuse located near the battery could simply have blown.

If the turn signals, brake light and horn work, then everything is in order. If not, change the fuse.

Crankshaft seals are leaking

Check the crankshaft seals. If at least one of them shows signs of leaks, starting the scooter from the starter, especially when cold, will be problematic. Leaky seals need to be replaced.

Low compression

The most common reason for owners of scooters and mopeds to visit a workshop is that the scooter will not start from the starter, although all the electrics and battery are in order.

There is one rule, it’s better to remember - if the scooter starts normally with a kick starter, but doesn’t want to start with an electric starter, although the starter cranks the crankshaft perfectly and with sufficient force, the fault will almost always be low compression.

What does it mean? Most likely, your piston is already running out and you will need to change the piston with rings at best.

At the same time, question number two always arises - why does the scooter start from kickstarter? The answer is that when we rotate the kickstarter with our foot, especially when it is sharp, we turn the crankshaft faster.

A simple and understandable example can be given - remember the old pump with which you wanted to inflate the inner tube of your bicycle or scooter. Often these pumps do not have a sealed cuff that does not fit tightly enough to the walls. If you tried to slowly pump the chamber, all the air simply passed through the leaks in the cuff. And if you pumped quickly and with good effort, everything worked out. It’s the same here.

You can also read other articles on the topic:

What is a voltage regulator relay for Viper, Delta, Alfa mopeds:

Need a spare. And here you can get confused.

The starting of the starter is controlled by the starting relay. Among them is the famous Delta moped.

Author: A.

Or “raise the white flag and call SOS” - call a “tow truck” on your mobile phone. It comes from a relay regulator or battery if the engine is turned off through the ignition switch and the horn button

You can even play around a little and adjust these steps to the graph of the break in the ignition timing change curve.

When the engine is idling and at low speeds, the amplitude of the pulses coming from the induction sensor is less than the stabilization voltage of the zener diode VD4, therefore only later pulses of negative polarity pass to the input of the triac VS1, for which the zener diode is connected like a regular diode in the forward direction.

Green is the common wire. And if you look at the number of wires of such a relay-regulator, we see four of them. ALPHA TIDY! HOW TO CONNECT THE DEVICE ON ALPHA! INSTALLATION OF MOPEDS

Alpha moped starter relay

Domestic delivery service

Delivery in Moscow: tomorrow - from 400 rubles. Pickup: Novoryazanskoye sh., 3 - around the clock - free

Starter relay JH70,DELTA,ALPHA

you can purchase in our online store at the best price. It's always a pleasure to buy from us!

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• Warranty provided by the motorcycle and bicycle market “Tourist”;
• Warranty provided for the product by the manufacturer;

• the detected defect is not a consequence of improper use of the product - there is a cash register or sales receipt (FZoPP, Article 25, clause 1, paragraph 3);

ELECTRONICS OF ALPHA AND DELTA MOPEDS

Due to the fact that more and more owners of devices with engines of the 139FMB type and lights at recess are faced with six-coil generators (replacing the motor or preferably a more powerful generator), there is a need to write this article. First, let's figure out what the differences are. The picture shows a diagram

The electrical equipment of the mopeds under consideration consists of a source and consumers of electronic energy, auxiliary devices and an electronic network. Electrical equipment ensures timely ignition of the working mixture in the engine cylinder, operation of lighting devices and

How to check the starter relay on a scooter

Published September 1, 2016

Main relay problems. Problems with the electric starter itself are not considered

I disassembled my relay, unwinded the entire winding, re-wound it, cleaned the contacts, and now for the 5th year everything has been fine with the relay, my brain doesn’t work at all, there’s just no point in buying a new one, because there’s no guarantee of how long it will last enough again...

Tell me, I have a Honda Lead 90, the problem occurs when I start the scooter with the starter, I changed the bendex, weakened the spring on the bendex, revised the starter, it turns out that when I start the starter, the bendex engages the gear, I turned the crankshaft 2 times and after that the bendex goes to its original position and spins, but without rotating the crankshaft 

I have a Skymoto Spider 50 scooter and this is bullshit, the relay clicks but the starter doesn’t turn. If you connect the direct wire from the battery, the starter turns. I already changed the relay. What could be the reason. 

Tell me, my starter turns but doesn’t turn, I can take a video and post it, what should I do? battery is charged 

Thanks man, everything was explained clearly!

what to do if the relay clicks and the spark disappears? 

Where is the starter relay located on a Suzuki Adreas 110 

storm 50, when the ignition is turned on, the starter does not work, the emergency lights do not work, turns in general as if there is no battery, it starts with the kick starter and everything works, what could be the matter. the fuse is intact 

the scooter does not charge the battery how to find out the reason

On Glushak Shit Pipe!))) Well, you need to buy a multimeter.

But what if the battery is charged, and the starter is on the button (as you say whack-whack), even if you bridge the contacts, the same sound zhik-zhik, I checked the battery with a multimeter and the charging of the battery while the engine is running, everything works, the Alpha Sabur 107cc moped is like written on the cylinder. 

I have such a problem, the scooter racer is generally Chinese, it won’t start from the starter, I took it apart and got to the relay, in general there is a spark, but there is no “whack, whack”, the battery is charged, what could be the problem?

If all the wiring is intact, but this relay does not receive power, where to look? There's a diode in the wiring, maybe it's screwed up? 

I have the following question: when you press the starter button, the relay just clicks once and the starter doesn’t turn, this happened rarely before, but now I just can’t start it from the starter; I measured the voltage on the battery at 13.1 volts, but with the starter kick it starts normally. 

Teska! Both by first and last name! 

please tell me what should I do, I got into the wiring now the scooter is always turned on, even if you turn the key wherever you want, it still won’t turn off the ignition, what should I do or where to buy new wiring for the QM50QT-3M-Legend scooter

Folks, such a problem, I was riding a scooter (Viper Storm 50) and basically stopped, turned it off, put it on, after a few minutes I turn the ignition and nothing happens, no stops at all, nothing, the battery is charged!

Viktor Sokolov 4 months ago What if the battery is charged and the starter is on the button (as you say whack-whack), even if you bridge the contacts, the same sound zhik-zhik, I checked the battery with a multimeter and the charging of the battery while the engine is running, everything works, moped alpha sabur 107cc as written on the cylinder. 

Hello. Could there be a problem with my switch? I turn on the ignition, press the start button - the engine oils, but not enough. It starts from the claw. When it started there were no problems. The carburetor and piston are fine. 

“We specifically removed the battery right now. ” 4:30. And how does the relay operate when you shave it with a screwdriver if it is disconnected from the power supply? 

Does the starter relay affect the kickstarter?

Can problems arise due to the fact that you start the scooter using the battery from the car?

I didn’t understand at the end, if it’s okay, then the relay needs to be changed or changed when the starter turns normally. 

But what if it’s cold, zhi-zhi-zhi-zhi, but the engine doesn’t start? I start it with the kick and it’s fine, but with the starter it’s fine. Zhi-zhi-zhi-zhiiii. what to do ? 

Max, will the option not work if you install a 12Volt relay on a Honda according to the collective farm, changing the chips?

Mknya has no squeak squeak, it just doesn’t turn the button, but when I close it it starts. what should I do and why is this crap. 

I have this problem on a Viper 125cc, is it killing the battery? I’ve been riding for about a month now, and I’m already changing my 4th battery, what does this mean, can you tell me?? 

Maxim, hello buddy) please tell me, such a problem appeared on Tact 51 - I had a non-working starter relay, I removed the relay to take as a sample to the seller, now my stopak, turn signal and fuel sensor have stopped working, although the headlight and tail light have stopped working All contacts on the chips are lit, checked, everything is fine. what to do? what to check? Could something have burned out because I started the scooter without a starter relay? 

How to check PP with a multimeter on a moped?

The relay regulator on a Chinese scooter is checked using a multimeter with a voltmeter function. For this purpose, a simple DT-830 (or equivalent) is usually used. It is better to carry out diagnostics and measurement of output voltage with the device removed.

Verification algorithm:

1. You need to unscrew the fairing with the central phase and find on the frame a device with 4 wires: red, green, yellow and white.
2. Then start the scooter and check the voltage at idle: measure it between the green and red wires, setting the multimeter to the maximum value of 20 V.
3. If the multimeter display shows a figure of 14.6-14.8 V, this is normal. For stabilizers on Chinese mopeds, this is the operating standard voltage. If at idle the multimeter shows a value of 15-16 V, this is a high voltage indicator. This indicates a malfunction of the relay regulator.
4. Then you need to check the voltage supplied to the lighting lamps. An alternating voltage is supplied to the central low beam (high beam) lamp, so the multimeter should be switched to the alternating current measurement mode with a parameter of 20 V.
5. Next, we measure the voltage between the green and yellow wires (green is the general electrical network of the moped). If the multimeter shows a network voltage of up to 12 V, then the electrical appliances are operating without additional load.
6. If at idle this value is 16 V or higher, and with a sharp increase in engine speed it jumps to 25 V, the device does not stabilize the voltage and, therefore, does not work. With such readings, the device must be replaced with a new one.

Using a multimeter, they check the relay regulator on a Chinese scooter

On 4T scooters, the relay regulator is checked using a tester. Typically a mechanical tester is used for these purposes, although there are also electronic models.

In order to take a measurement, you need:

• switch the device to the “KiloOhm” mode and remove the regulator;
• then place the probes on the first pair of terminals (AB). The tester should show a value of no more than 18 kOhm;
• after that, we change the position of the probes on the terminals in the opposite direction (VA) and measure the voltage again - the arrow on the device should show 0;
• then we install the probes on the next pair of terminals (SD) and measure the readings on this pair;
• swap the probes (DS) and measure the indicator again;
• the remaining measurements have no contact and are not checked. The indicator when checking them should be zero.

How to Check the Starter Relay on a Chinese Scooter

as a check the starter relay on the scooter

Published September 1, 2021

Major relay . Problems with the electric starter itself are not considered.

I'm at home relay I disassembled, unwinded the entire winding, rewound it, cleaned the contacts, and for the 5th year everything is fine with the hook, my brain doesn't eat at all, there's simply no point in buying a new one, because there's no guarantee of how long it will last again

tell me that I have a Honda LEAD 90, the problem occurs when I start the scooter with the starter, change the bend, loosen the spring on the mandex, look at the starter, it turns out when I start, get the starter, the bendex engages, turn the crankshaft 2 times, after which the Bendex will return to its original position and begin to rotate, but without turning the crankshaft A.

If I have a Skymoto Spider 50 scooter and such garbage the relay clicks and the starter does not turn and does not connect to the direct wire from the battery, then the starter rotates and the relay has already changed. This could be the reason. A.

Tell me, the starter turns but it doesn’t work, can I take the video and download it? Akum is charging

Thank you man, I explained everything!

what to do if you pressed the relay and the spark went away? A.

like and subscribe

where is starter relay Address 110

storm 50, when the ignition is on, the starter does not work, emergency lights, in general, as if there is no Akum, with a blow to the starter it starts and everything works, which could be so. whole fuse

the scum is not infected with the scooter, how to find out the reason

On Glushak Shit Pipe!))) Well, you need to buy a multimeter.

But what to do if the battery is charging, and the starter is from the button (as you say Whack. Whack), even if you connect the contacts, the same sound Zhik-Zhik, I checked the charging of the battery and battery using a multimeter, while the engine was running, everything worked . Alpha Sabur 107cc moped as written on the cylinder. A.

MY MOTORCYCLE

Since I created a comprehensive site, I want to devote a little time to Chinese mopeds, or rather, today we will touch on the voltage relay regulator of Viper, Delta, Alfa mopeds. I found the relevant information and want to share it with you.

The wiring of the Chinese mopeds Viper, Delta, Alfa is very interesting. The ignition is separate, the lighting is separate, which is similar in many other scooters and motorcycles. But the lighting itself is very confusing. We have two lighting branches, one is the electricity from the generator, the other is from the battery. At the same time, the generator itself also powers the battery. And to connect these two wires, a voltage regulator relay is used.

It is designed to rectify the voltage and stabilize it so that the battery and lighting do not receive more current than usual (remember how the light bulbs burned in old motorcycles, all because there was no stabilizer). This is the main task of this voltage regulator relay. And if you look at the number of wires of such a relay-regulator, we see four of them. One, green, is the ground (in scooters the ground is often green), the other is red, it goes to the battery. The third and fourth come from the generator. And here you can get confused. Each wire comes with a voltage of 12 V, but if you look closely at the structure of the generator, it is clear that one has a slightly lower voltage, this is done for the sake of relativity, so that the relay can compare two voltages. It is important here not to confuse the wires, since in some scooters they are marked with white and yellow colors, while in others there are two white ones. But they are not the same, they cannot be confused.

By the way, if you look at the wiring in the Viper Active moped, the relay-regulator has a pink wire instead of a white one. Therefore, remember, when comparing wires or other relay regulators, white is equivalent to pink. There are other voltage regulator relays, where the colors are even more changed, but more about that later.

So, the purpose of the regulator relay has been explained. Voltage relay regulators for Viper, Alfa, Delta mopeds are interchangeable. They can be easily changed, moreover, spare parts for the Viper moped are hard to find, and here many will have to take a voltage regulator relay from an Alfa or Delta scooter, since they cannot find the “original” one. The difference here will be in the connections, you will have to resolder, and as has already been mentioned, in Viper they often use pink instead of white.

Likewise, generators can be changed. The difference between them is the number of wires wound and the colors. Also, the connection is different when the wires come out, so here you will have to resolder or simply connect without a “mother-father”.

In Viper mopeds, the voltage regulator relay is located under the seat. In order not to confuse it with another wiring element, we are looking for a spare part with ribs, since the relay-regulator requires cooling and they will definitely be on the metal case. But the sizes may be different. This relay is very similar to the Minsk or Voskhod motorcycle switch. That's all for now...

Alfa moped wiring diagram: features of domestic operation

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With the development of trade relations between Russia and China, in addition to traditional knitted goods and consumer electronics, various auto and motorcycle equipment began to be imported en masse to our country. And since the domestic motorcycle industry was experiencing a decline, the new items were to the taste of motorcyclists and began to be purchased en masse for their own needs.

Of particular interest is the ALPHA moped with an air-cooled engine, which is sold in the Russian Federation as “Alpha 110cc” or “Alpha 49”. The numbers in the name indicate the engine displacement:

1. 49 cc four-stroke air-cooled engine. cm, power 4.5 hp;
2. 110 cc four-stroke air-cooled engine. cm, power 7 hp.

Mopeds, due to their external resemblance to motorcycles, differ from scooters, although they represent a separate class. However, the combination of technical parameters, ease of do-it-yourself maintenance and low operating cost have made this moped a sales leader on the Russian motorcycle market.

For reference: in China, several manufacturers assemble the ALPHA model. Among them are Horse, Chong Qing Bull, WONJAN, Omaks and a number of others. Companies such as AVM and SMoto also assemble mopeds in Russia. At the same time, the wiring diagram of the Alpha moped is identical, regardless of the location of assembly.

How to replace a faulty relay regulator on a scooter?

If the charging current is not supplied to the battery contacts when the generator is working properly, the stabilizer needs to be changed. Replacing it yourself is not difficult.

To do this you need to do the following:

1. Place the scooter on the central support.
2. Find the location of the device in a specific moped model. If you can’t find it right away, you can use the instruction manual.
3. Dismantle the cladding. Depending on the moped model, the stabilizer may be located on the front (under the front plastic), in the rear, or under the seat. In this case, the underseat space is removed along with the seat.
4. Unscrew the device from its seat while maintaining the fasteners. As a rule, the relay is attached to the scooter frame with a bolt, or less often with a self-tapping screw.
5. Disconnect the connector and secure the new regulator with the fastener. The installed device must have a pinout and connector similar to the one replaced, and be suitable in terms of parameters for this particular scooter model.
6. Connect the relay-regulator on the scooter to a standard connector and assemble the remaining spare parts in the reverse order of disassembly.

Service Features

Unfortunately, suppliers of motorcycle equipment do not always take into account the specific features of a particular type of vehicle, assuming that low price is more important. In particular, the majority of mopeds supplied to Russia under the ALPHA brand are not designed for our climatic and road conditions.

This manifests itself in the following:

1. Most mopeds are used off-road (in rural areas, for trips to nature, fishing, etc.). And factory tires, alloy rims, springs and shock absorbers are not designed for such loads;
2. The quality of gasoline and oil is also far from ideal, which affects the performance parameters of the moped;
3. The moped is not intended for operation at sub-zero temperatures.

Advice: The wiring of the Alpha moped especially suffers from harsh climates, since its insulation is made of cheap plastic. At sub-zero temperatures it becomes brittle and breaks down. Experienced owners, after purchase, replace it with rubber-insulated wiring.

In the same way as wiring for an Alpha moped, other “diseases” of Alpha mopeds can be cured with the help of replacement. In particular:

1. Factory tires are replaced with more wear-resistant ones;
2. Alloy wheels are replaced by traditional spoked rims;
3. Shock absorbers are reinstalled from domestic motorcycles.

Features of electrical equipment

Unlike domestic motorcycles and mopeds, Alfa already in its basic version has a number of advantages:

1. Electronic 12V ignition;
2. Electric starter;
3. Electronic tachometer on the instrument panel.

For reference: electronic ignition ensures trouble-free engine starting and stable operation in all operating modes. A simple circuit and the ease of replacing failed components with your own hands greatly simplifies the use of the vehicle.

Energy sources

The moped uses a circuit with a battery power source. The manufacturer does not recommend its operation without a battery, and the wiring diagram for the Alpha moped is additionally equipped with a relay regulator (see also the wiring diagram for UAZ 31512).

The six-coil generator also copes well with its duties:

1. Maintains voltage throughout the entire engine speed range;
2. Ensures that the headlights and headlights work while driving.

For reference: the factory instructions do not allow the installation of additional lighting fixtures. It is also prohibited to use headlight lamps on a moped that exceed the power specified in the technical documentation.

Control and management bodies

The presence of informative devices makes the operation of the moped quite simple, which attracts many buyers. Moreover, which is typical, a fairly large number of beginners decide to buy a two-wheeled vehicle, choosing Alpha mopeds.

The equally simple operation of the moped also contributes to its popularity. All the main functions of the vehicle are displayed on the steering wheel, and their status is displayed on the instrument panel:

1. Speed ​​mode;
2. Engine speed;
3. Battery charge state;
4. Daily and total mileage (see also Ural motorcycle wiring diagram).

Scheme and principle of operation

The operation of the stabilizer for all models is almost the same and consists in distributing the current supplied from the generator to stabilize it and further distribute it to consumers.

The operation of the stabilizer is almost the same for all models

The main peripheral consumers of the scooter include:

• battery;
• indicators;
• light bulbs;
• sensors;
• enrichment agent;
• other nodes;
• starting enrichment.

How does the stabilizer work? The main principle of its operation is to act as a transformer, which lowers the voltage to an optimal level acceptable for the operation of electrical appliances, and also stabilizes the network and prevents unexpected power surges.

If the relay malfunctions, the scooter’s devices fail, quickly wear out or burn out.

To avoid these problems and their undesirable consequences, you should know the basics of the correct operation of the electrical circuit and voltage components of the scooter (Figure 1).

Voltage relay pinout diagram and wiring for main scooter models

The pinout of the relay regulator is standard for all models of Chinese-made scooters.

Scooter relay-regulator pinout

The stabilizer has an aluminum body and plastic contacts, each of which has its own wire. Each contact has its own wire color. This makes it convenient to connect the device to the wires if the plastic connector is worn out. The wires must be connected to the contacts according to the electrical diagram (Figure 3).

Moped maintenance

Like any vehicle, Alpha mopeds require routine maintenance, the essence of which boils down to:

1. Replacement of parts and assemblies whose service life has expired;
2. Setting up and restoring the factory parameters of the main components and assemblies;
3. Visual inspection of the moped to identify damage.

Chinese engines quite confidently “maintain” 20,000 km on our domestic fuels and lubricants without breakdowns or overhaul of the piston group. The main thing is to change the oil in a timely manner, especially during the break-in period.

If you do not operate the moped in harsh conditions (winter, cross-country racing, etc.), then all oil seals and rubber seals will also last a long time.

Tip: Change your air filter often. This will save the carburetor and make it easier to start the engine in all operating modes.