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Crankshaft -MAZZUCCHELLI Racing (rotary valve) 57mm stroke- Vespa PX200
Part no.:
1620004
Description
In order to achieve higher speeds, one should reach for the racing shaft. The extended intake timing results in a much freer engine revs. This measure is especially noticeable with high-revving cylinders.
The quality of the crankshafts is very good and so they resist even the highest revs. Especially for engines with a larger displacement, they are an optimal supplement to extend the usable speed range.
These engines turn out freely, which leads to a significant increase in top speed.
AI-translation
The quality of the crankshafts is very good and so they resist even the highest revs. Especially for engines with a larger displacement, they are an optimal supplement to extend the usable speed range.
These engines turn out freely, which leads to a significant increase in top speed.
AI-translation
€159.00 *
incl. VAT plus shipping costs
Available immediately (delivery time 1-3 working days*)
P
For this item you get
fidelity point/s
| Bearings | |
|---|---|
| sizes: | 16x20x20mm |
| Gudgeon pins | |
| diameter: | 16 mm |
| Crankshafts | |
| stroke: | 57 mm |
| thread rotor side: | M12x1,25 right-hand thread |
| thread drive side: | M12x1,5 right-hand thread |
| diameter crankwebs: | 98 mm |
| width crankwebs: | 40.4 mm |
| diameter bearing seat rotor side: | 25 mm |
| diameter bearing seat drive side: | 25 mm |
| diameter oil seal seat rotor side: | 24 mm |
| diameter oil seal seat drive side: | 31 mm |
| full circle crankshaft: | |
| rotary valve crankshaft: | |
| length rotary crankweb: | 194 mm |
| Vespa PX200 - intake timing for short rotary surface (46mm) (°): | 186 |
| Vespa PX200 - intake timing for long rotary surface (62mm fully modified) (°): | 205 |
| crankcase has to be milled: | |
| engine casing has to be modified: | |
| Connecting rods | |
| length connecting rod: | 110 mm |
| thickness connecting rod: | 5.3 mm |
| diameter small end connecting rod eye: | 20 mm |
| lubricating hole at small end bearing: | no |
| diameter crankpin: | 22 mm |
| lubricating hole at crankpin bearing: | notch |
| crankpin shims: | yes |
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