Washer on crankshaft under clutch by bgm Pro The washer between crankshaft and clutch has three very important tasks to fulfill: Establishing the controlled preload between crankshaft and ball bearing Providing a plain bearing surface for the clutch pinion while the clutch is being operated Manufacture bearings so that the toothing is aligned with the primary gear and the correct distance from the clutch cover is maintained. PROBLEMS OF THE ORIGINAL DISCS Depending on the residue of the crankshaft stub in the ball bearing, the washer is exposed to very high bending moments in large frame motors. Under unfavorable circumstances (disc was mounted the wrong way round, crankshaft has a lot of residue, too high torque on the clutch) even the otherwise good, original Piaggio discs are overwhelmed and tear / break. SOLUTION THROUGH THE BGM PRO WASHER The dimensions of the bgm Pro washers correspond to those of the original Piaggio components, but are made of extremely tough but sufficiently elastic material. They also have radii attached on both sides, which prevents incorrect assembly. In addition, the bgm Pro disc has radii in the groove for the crescent wedge. In the original Piaggio part, the sharp edges there initially initiate the formation of cracks. This is the effect with the bgm Anlaufsche ...
- bgm - item number: BGM6033
- Availability: in stock (Please check availability here in Scooter Center Shop)
- Weight: approx. 0,02 kg
- Category: Engine> clutch> washers
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