## Polini 15% Uprated Torque Spring Blue Aprilia / Benelli / Malaguti / MBK / Yamaha 250 4T This uprated rear clutch torque spring from the renowned brand Polini is an excellent choice for owners of Aprilia, Benelli, Malaguti, MBK, and Yamaha 250 4T scooters looking to improve their vehicle's performance. Designed to increase torque by 15%, this blue spring ensures better power transmission and more dynamic acceleration. ### Enhanced Performance and Precision The Polini torque spring plays a crucial role in the proper functioning of the clutch. A harder spring, such as this one with a 15% increased hardness, ensures a stronger clamping force on the drive belt, minimizing the risk of slippage. This allows for efficient transfer of increased torque to the wheels, resulting in better throttle response and faster acceleration. The increased spring hardness also affects engine speed, optimizing its operation. ### Polini Quality The Polini brand is synonymous with quality and innovation in the world of motorcycle and scooter parts. This torque spring is made of high-quality materials, guaranteeing its durability and long service life. The blue color gives it a sporty character and distinguishes it from standard springs. ### Technical Specifications: * Spring Hardness: +15% * Color: Blue * Number of coils: 5 * Wire thickness: 5mm * Height: 115mm * Inner diameter: 56mm **Note:** For Yamaha Majesty 250, the spring only fits 1999 and 2000 models.