The TOP RACING ORIGINAL crankshaft offers you the highest quality at an extremely fair price. The manufacturing precision as well as the materials used are of the highest quality.

So both the crank webs and the connecting rod are forged, a complex manufacturing process that makes these shafts extremely reliable and resistant.

The bearings are also at a very high level, only Japanese or European quality bearings are used, which are good for many thousands of kilometres.
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Ball bearing
Dimensions
12x17x13mm
 
Piston pin
Diameter
12 mm
 
Crankshafts
Stroke
41 mm
Thread on alternator side
M10x1,25 Rechtsgewinde
Thread on drive side
M12x1,25 Rechtsgewinde
Crank web diameter
74 mm
Crankcase must be spindled
nein
Motor housing must be modified
nein
Rotary vane crankshaft
nein
Full cheek crankshaft
nein
Wide crank webs
34.1 mm
Bearing seat diameter on alternator side
20 mm
Bearing seat diameter on drive side
20 mm
 
Connecting rod
Connecting rod length
80 mm
Connecting rod eye top diameter
17 mm
 
OEM numbers (for comparison purposes only)
Scooter Center:
BGM030014