DescriptionPiston-GOL-Vespa 150cc (3 transfer ports)Sprint Veloce 150 - 57.6mm (3rd oversize)Description TIP: Please always mount the piston rings carefully. Piston rings made of cast material have only limited elasticity and break relatively quickly. Some pistons have trapezoidal profiled piston rings (so-called keystone rings), these only fit in one installation position. If the ring is not free, please loosen it carefully and reinstall it upside down.Fits the following vehicles Gudgeon pinsdiameter:15 mmlength:48.5 mmCylindersbore:57.6 mmengine type:2-strokePistonsnumber of piston rings:2production method piston:castpeg position:off-centrecompression Height:35 mmshape piston crown:pulvinatePiston ringspiston ring type:common ringthickness rings:2,5mmCirclipscirclip type:Seeger-typewire size of circlip:1,0mmOEM numbers (for comparison purposes only)Piaggio124418
