Full-flange crankshaft for Puch three- and four-speed engines, which was installed on various Puch mopeds and small engines.
The balancing holes are sealed with aluminum plugs for perfect balancing and pre-compression of the crankshaft.
This racing crankshaft is designed for speeds of up to 19,000 revolutions per minute.
Total length of clutch-side journals: 73.0 mm
Total length of clutch-side journals: 66.4 mm
Ø 1st shoulder (clutch side): 17 mm
Ø 2nd shoulder (clutch side): 15 mm
Ø 3rd shoulder (clutch side): 10 mm
Ø Heel (clutch side): 17 mm
Ratio cone: 1:5
Ø crank webs: 70 mm
Width of crank webs: 34.2 mm
Width of crank webs (bearing seat): 35.8 mm
Ø connecting rod eye: 15 mm
Piston pin: 12 mm
Ø pin connecting rod bearing bottom: 16 mm
Pleuellänge: 90 mm
Stroke: 43 mm
The needle bearing (12/15x14.7 mm) is included in the scope of delivery.
Note: The crankshaft is not suitable for normal Z50 engines such as Velux etc., as the crankpin on the clutch side is longer.
The fit for the clutch hub is very precise. You may need to apply a little pressure to insert the hub. The clutch hub with item number 32380 is not compatible with this crankshaft.
Quality product from the Portuguese manufacturer Rito.
| Manufacturer | Rito |
| Puch | 3-speed VSD, DS, VZ, MC |
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