Product description

The Piston Kit is part of the latest collection from Wossner.

Features:

• In-house designed and manufactured; all forgings are produced in Wossner?s company-owned forging operation
• 4-stroke pistons are made using a double-bridged forging design
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
• Standard and oversize pistons for most models, with high compression ratios available for 4-stroke applications
• All piston skirts are supplied with a Moly coating to reduce friction and assist in break in
• All piston kits include piston, ring, wrist pin and pin locks
• Wossner piston kits are used by leading Supercross, Arenacross and MX GP teams

Specifications:

• Bore - Oversize: +0.50 mm
• Compression Ratio: 9.1
• Engine Type: 4-Stroke
• Piston Material: Forged| Steel
• Product Name: Piston Kit
• Ring Material: Cast| Steel
• Skirt Coating: Moly Coated
• Stroke Length: 84.00 mm
• Style: Performance Replacement
• Type: Replacement Forged Piston
• Units: Kit

To fit:

• YAMAHA XTZ 660 1991 Tenere European Models
• YAMAHA XTZ 660 1992 Tenere European Models
• YAMAHA XTZ 660 1993 Tenere European Models
• YAMAHA XTZ 660 1994 Tenere European Models
• YAMAHA XTZ 660 1995 Tenere European Models
• YAMAHA XTZ 660 1996 Tenere European Models
• YAMAHA XTZ 660 1997 Tenere European Models
• YAMAHA XTZ 660 1998 Tenere European Models
• YAMAHA YFM 660 F 2002 Grizzly Silver American Models
• YAMAHA YFM 660 F 2002 Grizzly American Models
• YAMAHA YFM 660 F 2003 Grizzly Titanium American Models
• YAMAHA YFM 660 F 2003 Grizzly American Models
• YAMAHA YFM 660 F 2004 Grizzly American Models
• YAMAHA YFM 660 R 2001 Raptor American Models
• YAMAHA YFM 660 R 2002 Raptor American Models
• YAMAHA YFM 660 R 2003 Raptor American Models
• YAMAHA YFM 660 R 2004 Raptor American Models
• YAMAHA YFM 660 R 2005 Raptor American Models

Manufacturer part number: 8507D050

View all Wossner Parts. View all Parts and spares.

Contents

Your package will include the following:

• 1 X Wossner +0.50 mm Piston Kit For Yamaha XTZ 660 Tenere 1991-1998