4T Forged Series Piston Kit - ø96.94mm by Wiseco

This forged piston kit is designed for replacement or engine tuning on Cross and Enduro machines. The forged design offers excellent durability over time. The precise diameter is indicated to facilitate selection during replacement.

Design and Materials

• Forged construction for enhanced mechanical strength during intensive use
• Exact diameter ø96.94mm making it easier to select the appropriate piston for the engine

Usage and Performance

• Recommended for replacement or tuning to optimise engine performance
• Suitable for Cross and Enduro environments to meet the specific demands of these activities

Benefits

• OEM Reference W40307M09700A
• Wiseco, nearly 50 years of experience with a recognised expertise in forged pistons

Examples of Compatible Motorcycles

• YAMAHA YZ 450 F (2027)
• FANTIC XXF 450 (2026)
• YAMAHA WR 450 F (2027)

Complete list of compatible motorcycles available in the dedicated section below