Polini "Racing" long-stroke crankshaft with a 60 mm stroke, compatible with your Vespa P 200E, PX 200 Lusso, Cosa 200, and Rally 200.
The racing crankshaft is designed for rotary-valve engines and comes precision-balanced, with a flow-optimized cam lobe, a sturdy connecting rod, and an extended intake cam angle. An excellent foundation if you want to cleanly build your engine for a long-stroke setup.
With a 110 mm connecting rod and the appropriate threads and bearing seats (including 24/25 mm taper, M12x1.25 on the alternator side), it serves as a robust tuning crankshaft for racing cylinders with a 60 mm stroke. The valve timing is 138° / 5° after TDC.
You’ll find matching crankshaft bearings, shaft seals (commonly known as Simmerrings), engine gasket sets, and a racing cylinder in the accessories section.
A quality product from the Italian manufacturer Polini.
| Dimension needle bearing | 16x20x20 |
| Manufacturer | Polini |
| Material | Steel |
| Cheek type | standard |
| Crankshaft stroke | 60 mm |
| Connecting rod length center-center | 110 mm |
| Thread type | MF12x1.25 (fine pitch thread), MF12x1.5 (fine pitch thread) |
| Total length of crankpin on clutch side | 58.8 mm |
| Thread length | 14.5 mm, 15.5 mm |
| Total length crankpin ignition side | 77.7 mm |
| Ø crank webs | 97.9 mm |
| Ø Connecting rod eye | 20 mm |
| Ø piston pin (B) | 16 mm |
| Ø Bearing seat (clutch side) | 25 mm |
| Ø Bearing seat (ignition side) | 25 mm |
| Area of application | Racing |
| Wide crank webs | 39 mm |
| Control time according to O.T | 138 °, 5 ° |
| Vespa | Vespa PX, T5, Cosa - P200E · VSX1T · 1977–1984 (Ignition Switch on Steering Head) , PX200 · VSX1T · 1984–1993 Lusso / Arcobaleno , PX200 · VSX1T · 1993–1996 Classic , PX200 · VSX1T · 1997–1999 (Disc) , Cosa 200 · VSR1T · I 1988–1992 II 1992–1998 Vespa Rally, Sprint, GT, GTR, TS, SS180, GS160 - 200 Rally · VSE1T · 1973–1979 |
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Nadella ball bearing 25/62/12 crankshaft Kulu | Vespa Largeframe, Wideframe
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Pinasco ball bearing 25/62/12 crankshaft Kulu oversize | Vespa Largeframe, Wideframe
Bearing type: Deep groove ball bearing · Inner ring width: 12 mm · Manufacturer: Pinasco · Ø inside: 25 mm · Ø outside: 62 mm · Bearing cage: Plastic cage · Groove ring: No · Width: 12 mm · Material: Steel · Ball bearing closed: No · Piaggio OEM number: 097804
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