Polini 2100081 Crankshaft

Polini 2100081 Crankshaft Silver . Elevate your Vespa 125 ET3, Primavera, or PK with the POLINI 2100081 "For Race" Crankshaft. Engineered in Italy for peak performance, this full-circle crankshaft significantly boosts crankcase compression for enhanced torque and explosive power delivery. Its innovative "Viper Head" connecting rod optimizes lubrication and reduces friction for increased horsepower and longevity. Experience smoother operation and reduced vibrations thanks to meticulous dynamic balancing. This is the ultimate upgrade for serious tuning projects, delivering unparalleled performance and reliability. POLINI 2100081 For Race Crankshaft for Vespa 125 ET3 & PrimaveraUnleash the true potential of your classic Vespa engine with the POLINI 2100081 For Race Crankshaft, the ultimate heart transplant for your performance-oriented scooter. Meticulously engineered in Italy by Polini´s racing division, this crankshaft is designed not just as a replacement part, but as a fundamental upgrade that redefines your engine´s power, responsiveness, and durability. It stands as the cornerstone for any serious tuning project on Vespa 125 ET3, Primavera, and PK models, ensuring your engine can handle increased power with unwavering reliability.Experience Unmatched Performance and ReliabilityThe primary benefit of integrating the POLINI 2100081 into your engine is a dramatic improvement in overall performance. The advanced design significantly increases primary crankcase compression, a critical factor for boosting torque and achieving a more explosive power delivery across the entire rev range. This translates to quicker acceleration, a stronger pull through the gears, and a higher top speed. Furthermore, this crankshaft is engineered to endure the stresses of high-performance and tuned engines. Its robust construction and precision engineering provide a level of reliability that gives you the confidence to push your Vespa to its limits, whether on the track or on spirited road rides. Experience a smoother, more refined engine character, as the meticulous balancing process dramatically reduces vibrations, leading to enhanced rider comfort and reduced wear on other engine components.Advanced Engineering FeaturesThe POLINI 2100081 distinguishes itself through a series of advanced design features aimed purely at maximizing engine efficiency. Its signature full circle or bell-shaped crank web design is a departure from conventional crankshafts, specifically developed to occupy more volume within the crankcase. This intelligent design minimizes dead space, forcing a more potent fuel/air mixture into the transfer ports for a more powerful combustion cycle.Every unit is subjected to a dynamic balancing process to ensure perfectly smooth operation, even at the highest RPMs. This precision is complemented by the innovative, polished Viper Head connecting rod. This specially shaped con-rod is not only a hallmark of Polini´s engineering prowess but also serves a critical function by improving lubrication and reducing turbulence and friction within the crankcase, further freeing up horsepower and enhancing engine longevity. Technical Specifications:* Product Code: 210.0081* Category: Engine* Subcategory: Connecting rods and crankshafts* Attribute: Crankshafts* Application: Vespa 125 ET3, Primavera, PK 125* Type: For Race Full Circle* Stroke: 52.8 mm* Connecting Rod Length: 102 mm* Crankpin: Ø 18 mm* Small End Bearing (Piston Pin): Ø 16x20x20 mm* Drive Side Bearing Seat: Ø 25 mm* Flywheel Side Bearing Seat: Ø 25 mm* Drive Side Oil Seal Seat: Ø 24 mm* Flywheel Side Oil Seal Seat: Ø 24 mm* Intake Timing: Rotary valve intake not supported (designed for reed valve induction). tradeinn Motardinn