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Given BSE 125 cc motard with Lifan 1P52FMI-like engine. What's really annoying is painfully high RPM when riding over 70 km/h. The engine really needs 5-th gear. Is it possible to find anywhere and install the engine with 5 gears instead of the stock one?

Thankfully to some good guy who wrote this tutorial, I was able to resolder the coils. So they are now separated from the earth and connected serially. Now the stator gives AC 60V when warming up the engine and up to 80V when I turn the throttle. The 55W bulb was burned immediately after...

Initially (when the bike arrived in the box) there was installed the first reg/rec (on the photo). But since it was giving a poor charge, I've replaced it with the bigger one (the second). Also on some diagram found in the internet AC wires are connected to the reg/rec diagonally (see on the...

Then why it gives a weak charging current? And what is the reason to connect the AC wire to the earth of DC circuit? I suppose that yellow and white wires are AC wires, according to the following diagram. Also, according to the drawing (if it is correct), the current from the 'zero' point (the...

Is there the reference wiring diagram for 6 coil stator with 1 ignition coil? In my case one of the light coil is soldered to the 'earth' which seems to me wrong.

I have measured the resistance again, and with more precise meter. The resistance between the green and the yellow is 0.6 Ohm. The resistance between the green and the white is 0.7 Ohm. The resistance between the green and the core plate is zero. The resistance between the red-black and the...

Today at last I pulled off the cover. The stator has 6 coils. There are one white and one yellow wire go from the stator to the voltage regulator. The resistance between the yellow or white wire and the core metal plate is less than 1 Ohm. Does anybody knows the dedication of the other wires...

Hi there! Today I set up the valve clearances. When I've pulled off the side cover, I obtained there is no any lubricant on the valve's chain. And the chain touchs the rubber spaces (have to be placed under my finger shown on the photo) and has a friction on them. Is that OK? Or it will be...

Thank you for your review about the LEDs. Anyway, the link to Dune Buggy in your signature lead to the 'Page not found' page =)). I've already replaced the bulb (because it lights so weak) with LED similar to this one. It consumes about 3.3A, which together with back light and front panel...

Initially the lamp was connected to the battery and the battery was connected through the voltage regulator. In this case the battery was discharging when turning the lamp on. The current of discharge was about 1.4A. To measure the AC current from the stator I had connected the lamp and the...

May be the guy who assembled the bike, muddled the wires and connected spark coil to the light? Should the coils in a stator be different by voltage and current?

About me. I don't know how it looks like, because I didn't disassemble it yet. I have measured the resistance of coil. It is 7 Ohms (not .7). 0.8 Ohms seems to me too small (if it was). It is close to nothing. The same time, if the coil was teared or burned, the resistance would be infinite...

Name: Alex Age: 32 Location: Russia Job: software engineer Likes: zubareus's video game metal covers Rides: BSE 125cc

Hi there! Can anyone explain me what is the rated current of magneto of 1P52FMI engine? I'm stuck into discharging of battery when using head light. Discharge current is 1.4A while current consumed by the light is 3.5A. So I wish to check if magneto coil is OK or maybe I should try to install...