Premium FKM (Viton®) reed valve from Stage6 engineered for Minarelli vertical engines (Yamaha BW's / Slider, MBK Booster / Stunt).

The single-blade design features a reinforced central support bar for enhanced stability and extended durability.

Viton/FKM coating delivers superior intake sealing and outstanding resistance to hydrocarbons, maximizing engine performance and component longevity.

• Viton/FKM coating : Precise intake seal with exceptional fuel resistance
• Central reinforcement bar : Increased strength and reduced fatigue risk
• Petrol-resistant construction for reliability
• 1-reed configuration with 0.35mm carbon petal included
• Direct fit for 50cc Minarelli vertical scooters