DescriptionCrankshaft-MAZZUCCHELLI STANDARD-Vespa Sprint150 (VLB1T),GL150 (VLA1T),GT125 (VNL2T),GTR125 (VNL2T),VNB, VBA, VBB ,T4 ,125 Super,150 super DescriptionCrankshaft - MAZZUCCHELLI STANDARD- Vespa Sprint150 (VLB1T), GL150 (VLA1T), GT125 (VNL2T), GTR125 (VNL2T), VNB, VBA, VBB ,T4 ,SuperFits in principle on all Vespa 125-150 largeframe models built between 1958 and 1976.Crankshaft from Italy company Mazzucchelli with original kept timing angles, dimensions and is therefore intended as a replacement part for the original shaft. The connecting rod is forged, burnished and comes with the connecting rod bearing . Remember to order new woodruff keys if necessary.Bearingssizes:15x19x20mmGudgeon pinsdiameter:15 mmCrankshaftsstroke:57 mmthread rotor side:M11x1,5 right-hand threadthread drive side:M12x1,5 right-hand threaddiameter crankwebs:98 mmwidth crankwebs:39 mmdiameter bearing seat rotor side:25 mmdiameter bearing seat drive side:25 mmdiameter oil seal seat rotor side:20 mmdiameter oil seal seat drive side:20 mmwidth bearing seat rotor side:12 mmfull circle crankshaft:norotary valve crankshaft:yeswidth rotary crankweb:15.3 mmlength rotary crankweb:214 mmVespa PX125-150 - intake timing for long rotary surface (33mm) (°):148Vespa PX125-150 - intake timing for short rotary surface (53mm fully modified) (°):171crankcase has to be milled:noengine casing has to be modified:noConnecting rodslength connecting rod:105 mmthickness connecting rod:6 mmdiameter small end connecting rod eye:19 mmlubricating hole at small end bearing:nodiameter crankpin:22 mmlubricating hole at crankpin bearing:notchcrankpin shims:yesOEM numbers (for comparison purposes only)Piaggio131321, 91060, 86657, 89267 Vespa (Piaggio) Vespa 125 (VNB2T) Vespa (Piaggio) Vespa 150 Super (A, VBC) Vespa (Piaggio) Vespa 150 Sprint (VLB1T) Vespa (Piaggio) Vespa 125 (VNB1T) Vespa (Piaggio) Vespa 125 (VNB6T) Vespa (Piaggio) Vespa 125 Super (VNC1T) Vespa (Piaggio) Vespa 125 GT (VNL2T) Vespa (Piaggio) Vespa 150 (VBA1T) Vespa (Piaggio) Vespa 150 (VBB2T) Vespa (Piaggio) Vespa 150 Super (VBC1T) Vespa (Piaggio) Vespa 150 (VGLA)
