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#P8858
BGM PRO racing crankshaft set for Vespa PK125 scooters.
Large crank web diameter and increased stroke offer increased performance in the lower pre-compression.
Crankcases will need to be opened to 88mm to accept the crankshaft. Standard ETS bearings are required.
The set includes cylinder studs & cylinder base spacer.
Reed valve type
Cone: 24mm
Conrod: 105mm
Stroke: 51mm or 54mm
BGM 7673184, 7673185
