Genuine Buddy 50 & Roughhouse 50 OEM Crankshaft Assembly
ITEM# TT-21016
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Description
Crankshaft Assembly for Genuine Buddy and Roughhouse Scooters
This crankshaft assembly suits a range of 50cc scooters, among them the Genuine Buddy 50 and Roughhouse 50. It includes a connecting rod and plays a central role in how the engine runs. It is one of the Genuine Buddy scooter parts available for upkeep. Swapping this part out becomes necessary when the engine starts giving trouble or loses power.
Compatibility and Function
This crankshaft assembly works with the Genuine Buddy 50, Roughhouse 50, Roughhouse 50 Sport, Rattler 50, and Black Cat 50 scooters. It may also be fitted to other scooters that use 2T horizontal Minarelli engines with 10mm wrist pin bearings. Its job is to turn the up-and-down movement of the piston into rotation, which is what moves the scooter ahead.
Installation Notes
Before fitting the crankshaft assembly, make sure you have the required ball bearings on hand, as they are sold separately. The assembly is 240mm long overall and has dedicated threads for the flywheel and the drive end. Installing it correctly matters for how well the engine performs.
Specifications
- Overall Length: 240mm
- Flywheel Thread: M10x1.25, 14mm length
- Drive End Thread: M10x1.25, 11mm length
- Piston Pin Hole ID: 14mm
- Piston Pin: 10mm
- Number of Crankshaft Splines: 17
- Bearing Cage: 10x14x13mm
- Fits: Genuine Buddy 50, RoughHouse 50 and Rattler 50 (2T), plus Black Cat 50
Fitment
Fits:
- Genuine Buddy 50
- Genuine Rattler 50
- Genuine Roughhouse 50 (2T; standard and Sport listed)
- Genuine Black Cat 50
- Other 2T horizontal Minarelli-engined scooters (10mm wrist pin bearings)
How to choose: Confirm that your engine is a 2T horizontal Minarelli with a 10mm wrist pin bearing. The piston pin measures 10mm and the bearing cage is 10x14x13mm.
Where it goes: part #1 on the crankshaft diagram for the Buddy 50; part #1 on the crankshaft diagram for the Rattler 50; part #1 on the crankshaft diagram for the Roughhouse 50.
Shop more: Genuine Buddy Parts · Genuine Scooter Parts · Scooter Engines & Engine Parts · Scooter Parts
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