Vespa P/PX Crankshaft
ITEM# TT-26363
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Description
57mm Crankshaft for Vespa P/PX and Sprint Models
This 57mm crankshaft suits classic Vespa scooters in the 125-150cc range, including the P/PX, Sprint, Sprint Veloce, and Super. It's a useful replacement for keeping performance steady, particularly when paired with a cylinder kit that pushes engine speeds higher. You can browse more classic Vespa components to find related items.
Construction and Compatibility
The crankshaft uses a 105mm connecting rod and is manufactured to OEM standards so it lines up correctly during installation. With a 57mm stroke, it works across several Vespa variants. If you're swapping out a worn crankshaft and plan to increase engine speed, make sure the replacement can cope with those higher RPM demands.
Installation Considerations
Fitting a new crankshaft is a substantial job that calls for patience and precision. Confirm that the part matches your exact model and that its measurements line up with your current engine setup. Taking the time to install it correctly will help your vintage Vespa run reliably for longer.
Specifications
- Stroke: 57mm
- Connecting Rod Length: 105mm
- Connecting Rod Bearing Dimensions: 15mm x 19mm x 20mm
- Connector Pin Length: 15mm
- Cone: 24/25mm
- Oil Seal Seat (Flywheel Side): 24mm
- Bearing Seat (Flywheel Side): 25mm
- Thread (Flywheel Side): M12 x 1.25
- Timing: 112°/6°
- Fits: Vintage Vespa P/PX, Sprint, Sprint Veloce and Super 125-150cc scooters with 57mm stroke
Fitment
Fits:
- Vespa P/PX 125 (VNX)
- Vespa P/PX 150 (VLX)
- Vespa Sprint (VLB)
- Vespa GT/GTR (VNL)
Shop more: Vintage Vespa Parts · Vespa Parts · Scooter Engines & Engine Parts · Scooter Parts
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