For: Piaggio

21728

Mazzucchelli crankshaft "Racing" 10 mm KoBo | Piaggio Ciao, SI, Bravo, Boxer

175,70 EUR

Incl. 20% VAT.

Racing crankshaft suitable for all Piaggio moped models (Ciao, Si, Bravo, Boxer, Grillo).

This finely balanced tuning crankshaft with polished connecting rod and cheeks is suitable for all cylinders with 10 mm piston pins and impresses with its high-quality workmanship.

Due to the longer intake timing, this tuning shaft is ideal for racing mopeds.

Connecting rod eye (A): 13.0 mm
Ø Bearing seat right (B): 15.0 mm
Ø Bearing seat center (C): 15.0 mm
Stroke (2xD): 43.0 mm
Sleeve length (E): 87.0 mm
Width of crank webs (F): 33.0 mm
1st shoulder (G): 21.0 mm
2nd shoulder (H): 44.0 mm
3rd shoulder (I): 63.5 mm
Total length crankpin end (J): 90.0 mm
Ø Vario / clutch pin (H): 12.0 mm
Dimension needle bearing: Ø 10 / 13 x 14.2 mm (axe 10)
Thread: M8 x 1.25 mm

For installation, a 16 x 0.5 mm shim must be inserted between the racing crankshaft and its main bearings.
You will find the corresponding spacers in the accessories section.

Quality product from the Italian manufacturer Mazzucchelli.

Details

Dimension needle bearing10 / 13 x 14.2 mm (axe 10)
ManufacturerMazzucchelli
MaterialSteel
Cheek typestandard
Crankshaft stroke43 mm
Thread typeM8x1.25 (standard thread)
Ø coupling pin / vario pin12 mm
Connecting rod length center-center87 mm
Total length crankpin ignition side90 mm, 106 mm
Ø crank webs69.7 mm
Ø piston pin (B)10 mm
Thread length16 mm
Ø Connecting rod eye13 mm
Bearing seat right15 mm
Weight698 g
Ø Bearing seat (ignition side)15 mm
Area of applicationRacing
Wide crank webs33 mm
Length 1st paragraph21 mm
Length 2nd paragraph44 mm
Length 3rd paragraph63.5 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 time139 °
Control time before O.T81 °
Control time according to O.T58 °
Number of gears1 pcs

Suitable for the following models

Piaggio

Ciao - Ciao, Ciao, Ciao, Ciao

Si

Bravo/Superbravo

Boxer

Grillo

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