Vespa PK50 S SS XL FL Mazzucchelli Racing Crankshaft 43mm Stroke 87mm Conrod BF22-Pinasco POLINI Kevlar V-belts are convincing

POLINI Kevlar V-belts are convincing both in terms of performance and quality

DERBI ATLANTIS 50 AIR - DERBI MOTOR

Often this phenomenon also occurs with modified series air filters

Sunshade facility

ZF Friedrichshafen AG) in Schweinfurt

Vespa PK50 S SS XL FL Mazzucchelli Racing Crankshaft 43mm Stroke 87mm Conrod BF22-Pinasco POLINI Kevlar V-belts are convincingVespa PK50 S SS XL FL Mazzucchelli Crankshaft 43mm Stroke 87mm Conrod disc valve stroke 43,0mm conrod 87,0mm Standard con rod Connecting rod bearing: 15x19x20 mm pin 15mm cone 20 20mm, M12 Oil seal seat on flywheel side: 20 mm Bearing seat on flywheel side: 20 mm Thread on flywheel side: M12 Racing crankshafts are a simple and effective tuning step for every disc valve engine. A racing crankshaft enables higher numbers of revs. The engine becomes more