Tutti Ricambi Crankshaft | Vespa P/PX 125 150 Stella 2T

Restore the primary heart of your engine with this premium Replacement Crankshaft Assembly for Vintage Vespa P/PX Series scooters. Engineered to precise factory specifications, this crankshaft delivers optimal balance, high-tensile durability, and consistent rotational inertia required to eliminate engine vibration and preserve the life of your main bearings.

A worn or out-of-true crankshaft can cause severe crankcase damage, ignition timing drops, and accelerated oil seal failure. Replacing your old crank during a full engine split ensures smooth power delivery and factory-spec compression.

Product Features

• Precision Ground Journals: Ensures an exact, press-fit alignment with standard main bearings.
• High-Strength Connecting Rod: Equipped with robust top and bottom wrist pin bearings engineered to handle continuous high-RPM urban riding.
• Factory Balanced: Minimizes rotational harmonic vibration, protecting your stator assembly and clutch basket.
• Direct Vintage Fitment: Keyways and taper profiles are cut to exact vintage dimensions for seamless flywheel and clutch integration.

Technical Specifications

• Engine Displacement Range: 125cc – 150cc
• Stroke Type: Standard Stock Stroke
• SKU: 133154
• Weight: 5.25 lbs

Model Fitment & Compatibility

This crankshaft is designed specifically for Large Frame Vespa models utilizing 125cc to 150cc engines. It is NOT compatible with Vespa P200E / PX200 models or Small Frame variants (50/90/Primavera).

Mechanic's Installation Note: Always replace your main bearings, flywheel-side oil seals, and clutch-side oil seals whenever installing a new crankshaft. Ensure your woodruff keys are fully seated before torquing down the flywheel or clutch assembly to prevent shearing.

California Prop 65 Warning