Yamaha YZ 250 F (CG 27) [2008-2009] - forged pistons

WISECO forged pistons for Yamaha YZ 250 F (CG 27)

The WISECO forged piston is intended for the Yamaha YZ 250 F (CG 27) from the entire 2008-2009 model year range. As a component in the piston category, it supports the proper repair of the 4-stroke engine and is tailored to the specified vehicle assignment.

Design and technical features

The piston is made of aluminum and is forged. Its standard compression and compression ratio of 13.5:1 characterize the design for the intended engine. The diameter is Ø 76.96 mm. The oversize is indicated with the letter B and +0.01.

• Piston type: forged
• Material: aluminum
• Diameter Ø: 76.96 mm
• Letter oversize: B
• Oversize: +0.01
• Piston compression: standard
• Compression ratio: 13.5:1
• Version: 4-stroke
• Rings Quantity: Set

Included components

The piston set includes a ring set, a piston pin and a circlip. The composition is therefore designed for the assembly of the forged piston within the specified application.

Vehicle assignment

Suitable for Yamaha YZ 250 F (CG 27), built between 2008 and 2009. Before ordering, the vehicle model, year of manufacture and the specified dimensions and oversize marking should be compared with the existing engine.