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#P7638
Stage6 HPC MKII crankshaft for Derbi D50B0/ D50B1 50cc 2-stroke engines.
The Stage6 HPC (high primary compression) crankshaft is a full-circle crankshaft, and as such increases primary compression in the crankcase. It has been developed in cooperation with Portuguese crankshaft experts and is completely made of metal (i.e. no plastic padding). The bearings can handle up to 16,000 rpm!
Conrod: 90mm (standard)
Stroke: 39mm (standard)
Made in Portugal.
Stage6 S6-8019300
These use the standard M10x1.00 nuts.
Yes this could be used with the Polini 80cc cylinder kits.
No, it does not require any case work to fit.
Flywheel Crank Nut - Derbi D50B, EBE/EBS
£2.35