Mazzucchelli crankshaft "Racing" 12 mm KoBo | Piaggio Ciao, SI, Bravo, Boxer
Dimension needle bearing: 12 / 15 x 14.7 mm (axe 12) · Manufacturer: Mazzucchelli · Material: Steel · Cheek type: standard · Crankshaft stroke: 43 mm · Ø coupling pin / vario pin: 12 mm · Thread type: M8x1.25 (standard thread) · Connecting rod length center-center: 87 mm · Total length crankpin ignition side: 90 mm · Total length crankpin ignition side: 106 mm · Thread length: 16 mm · Ø crank webs: 69.7 mm · Ø piston pin (B): 12 mm · Area of application: Racing · Ø Connecting rod eye: 15 mm · Bearing seat right: 15 mm · Weight: 705 g · Ø Bearing seat (ignition side): 15 mm · Wide crank webs: 33 mm · Length 1st paragraph: 21 mm · Length 2nd paragraph: 44 mm · Length 3rd paragraph: 63.5 mm · Ø 1st step (on the coupling side): 15 mm · Ø 2nd shoulder (on the clutch side): 14.4 mm · Ø 3rd step (on the clutch side): 12 mm · Inlet control time: 139 ° · Control time before O.T: 81 ° · Control time according to O.T: 58 ° · Number of gears: 1 pcs