For: Piaggio

28775

Mazzucchelli crankshaft 44 mm stroke for Simonini case (12 KoBo) | Piaggio Ciao, SI, Bravo, Boxer

EUR 234,20

Incl. 20% VAT.

Racing crankshaft for Simonini racing engine gearbox for your Piaggio Ciao, Si, Bravo and Boxer moped / moped.

This full cheek racing crankshaft from Mazzucchelli is one of the best crankshafts currently available on the market.
The perfect workmanship and the use of high-quality materials guarantee reliable running at speeds of up to 16,000 rpm.
The solid connecting rod with a 12 mm piston pin is also designed for the highest loads.

Attention: This crankshaft can only be used in conjunction with the Simonini Racing engine case. It is also only suitable for special conversions, as the stroke is 44 mm. The original Simonini crankshaft for use in the Simonini housing has a stroke of 46 mm.

Connecting rod eye (A): 15.0 mm
Ø bearing seat right (B): 15.0 mm
Ø bearing seat rear (C): 15.0 mm
Stroke (2xD): 44.0 mm
Sleeve length (E): 87.0 mm
Width of crank webs (F): 32.9 mm
Outer diameter of crank webs: 74.0 mm
1st shoulder (G): 21.0 mm
2nd shoulder (H): 44.0 mm. Heel (H): 44.0 mm
3. Heel (I): 63.5 mm
Total length crankpin end (J): 90.0 mm
Ø Vario / clutch pin (H): 12.0 mm
Dimension needle bearing: Ø 12 / 15 x 14.7 mm (axe 12)
Thread: M8 x 1.25 mm

No shim needs to be inserted between the racing crankshaft and its main bearings for installation.

Quality product from the Italian manufacturer Mazzucchelli.

Details

ManufacturerMazzucchelli
Area of applicationRacing
Cheek typeFull cheeks
Crankshaft stroke44 mm
Ø coupling pin / vario pin12 mm
Connecting rod length center-center87 mm
Total length crankpin ignition side90 mm
Ø Connecting rod eye15 mm
Ø piston pin (B)12 mm
Ø Bearing seat (clutch side)15 mm
Ø Bearing seat (ignition side)15 mm
Thread typeMF8x1 (fine pitch thread)
Dimension needle bearing12 / 15 x 14.7 mm (axe 12)
Wide crank webs32.9 mm
Length 1st paragraph21 mm
Length 2nd paragraph44 mm
Length 3rd paragraph63.5 mm
Number of gears1 pcs

Suitable for the following models

Piaggio

Ciao - Ciao, Ciao, Ciao, Ciao

Si

Bravo/Superbravo

Boxer

Grillo

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