GY6 Kickstart Gear

GY6 Kickstart Gear for 125-150cc Engines

This kickstart gear suits GY6 engines in the 125cc to 150cc range. It meshes with the crankshaft, so it plays a key role in getting your scooter started. If you are planning maintenance or repairs, it is worth a look alongside other GY6 scooter parts. It works with a range of engine codes, so it fits many different models.

Specifications

• Inner Diameter (tapered): 16.6mm - 19.6mm
• Outer Diameter: 45mm
• Teeth Count: 20
• Thickness: 9.85mm
• Size: 45mm outer diameter
• Position: Crankshaft
• Fits: GY6 125-150cc engines (157QMJ-based), including engine codes 157QMJ, 161QMK, 152QMI, 1P61QMK, 1P52FMI, 154FMI

Engine Compatibility

This kickstart gear is made for 157QMJ-based engines, including units carrying these codes:

• 157QMJ
• 161QMK
• 152QMI
• 1P61QMK
• YN1P57QMJ
• 1P52FMI
• 154FMI
• JJ157QMJ
• 1P57QMJ
• BN157QMJ
• BN161QMK-A

When to Replace Your Kickstart Gear

If your engine becomes hard to start or the gear shows signs of heavy wear, it may be time for a new one. Checking this part on a regular basis can help you avoid starting problems and keep your scooter running well.

Fitment

Fits:

• GY6 150cc (157QMJ) (157QMJ-based 125cc, 150cc and 169cc engines)

How to choose: Compare the engine code on your crankcase with this list: 157QMJ, 161QMK, 152QMI, 1P61QMK, 1P52FMI or 154FMI, or any other QM or FM code.

Where it goes: part #5 on the variator diagram for the GY6 150cc (157QMJ).

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