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Crankshaft -PIAGGIO (rotary valve)- Vespa PX125, PX150

  • kurbelwelle_piaggio_drehschieber_vespa_px125_px150_7671572_1_
  • kurbelwelle_piaggio_drehschieber_vespa_px125_px150_7671572_4_
  • kurbelwelle_piaggio_drehschieber_vespa_px125_px150_7671572_3_
  • kurbelwelle_piaggio_drehschieber_vespa_px125_px150_7671572_2_
  • kurbelwelle_piaggio_drehschieber_vespa_px125_px150_7671572_1_
  • kurbelwelle_piaggio_drehschieber_vespa_px125_px150_7671572_4_
  • kurbelwelle_piaggio_drehschieber_vespa_px125_px150_7671572_3_
  • kurbelwelle_piaggio_drehschieber_vespa_px125_px150_7671572_2_

Description

Bearings sizes: 15x19x20mm Gudgeon pins diameter: 15 mm Crankshafts stroke: 57 mm thread rotor side: M12x1,25 right-hand thread thread drive... read more
SKU:
7671572
Categories:
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Brand:
Piaggio
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Price

€192,44 €182,82 Incl. VAT

Quantity

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Total

€192,44 €182,82 Incl. VAT

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Description

Bearings
sizes: 15x19x20mm
Gudgeon pins
diameter: 15 mm
Crankshafts
stroke: 57 mm
thread rotor side: M12x1,25 right-hand thread
thread drive side: M12x1,5 right-hand thread
diameter crankwebs: 98 mm
width crankwebs: 38.9 mm
diameter bearing seat rotor side: 25 mm
diameter bearing seat drive side: 25 mm
diameter oil seal seat rotor side: 24 mm
diameter oil seal seat drive side: 31 mm
full circle crankshaft:
rotary valve crankshaft:
length rotary crankweb: 215 mm
Vespa PX125-150 – intake timing for long rotary surface (33mm) (°): 147
Vespa PX125-150 – intake timing for short rotary surface (53mm fully modified) (°): 170
crankcase has to be milled:
engine casing has to be modified:
Connecting rods
length connecting rod: 105 mm
thickness connecting rod: 6 mm
diameter small end connecting rod eye: 19 mm
lubricating hole at small end bearing: no
diameter crankpin: 22 mm
lubricating hole at crankpin bearing: notch
crankpin shims: yes

Original Piaggio PX 125/150 crankshaft in the usual good quality at an unbeatable price. As a replacement for a worn out crankshaft in a touring engine, or to finally get a PX 80 engine up to 125ccm (cylinder base has to be adjusted), also needed to convert late Sprint, t.s.125 and gtr models to 12Volt PX electrics. Also indispensable to “upgrade” a PX 80 with a 177 DR cylinder for moderate tuning. Due to the thick crankshaft stub, this standard crankshaft is almost indestructible and proven a million times over.

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