PISTON KIT 10-13 YZF450 97 A COMP 13.5:1 WOSSNER 8783DA

Wossner high-compression forged piston kit designed for the Yamaha YZ450F (Fuel Injection) models from 2010 to 2013. Manufactured in Germany, this piston offers superior strength and an optimized design for efficient combustion chamber heat transfer. The elliptical shape ensures an even bearing surface, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse.

Features

• High-compression design for increased performance
• Forged construction for superior strength and durability
• Optimized heat transfer for efficient combustion
• Elliptical design for uniform bearing surface and even load distribution
• Manufactured in Germany

Specifications

• Bore: 97 mm
• Actual Bore Size: 96.96 mm
• Display: 449 cm³
• Stroke: 60.80 mm
• Clearance: 0.04 mm
• Wossner Compression Ratio: 13.50:1
• OEM Compression Ratio: 12.50:1
• Dome Volume: -2.10 cm³
• Compression Height: 24.00 mm
• Theoretical Weight: Not specified

Included Components

• Piston: Wossner 8783DA
• Lock: CW18
• Pin: WP072
• Ring Set: 970ADS
• Rod: P4032

Cross-Reference OEM Part Numbers

• 33D-11631-00-00
• 33D-116A0-00-00
• 33D-11631-00-00 + 33D-11603-00-00 + 33D-11633-00-00 + 93450-19052-00

Vehicle Fitments

• Yamaha YZ450F (Fuel Injection) 2010-2013

Majority of our listings are for a direct replacement for your original part.

Our parts are made of quality and are designed to meet or exceed the original OEM Standards.

Our products are often a cost effective alternative to genuine OEM Parts.

Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.