The Piston Kit is part of the latest collection from

Wossner.

Features:

Enhanced piston pin oiling slots, radial boss machining, and annular

grooves for improved wrist pin lubrication

Lightweight piston with a tight piston wall clearance for a quieter

running engine

Skirt coated for reduced friction and improved break in performance

Ring land treatment for improved ring seal and oil control

Double bridged forging design where noted

Kit includes piston, rings, wrist pin and pin locks

Two ring design.

Specifications:

Bore - Oversize Metric: Standard

Bore - Oversize: Standard

Bore Size: 95.00 mm

Compression Ratio Imperial: 12.3

Compression Ratio: 12.3

Engine Type: 4-Stroke

Model: Standard Series

Piston Material: Aluminum Alloy| Forged

Piston Size Metric: 94.96 mm

Piston Size: 94.96 mm

Product Name: Piston Kit

Style: Standard Size A

To fit:

GAS GAS EC 450 F 2013 European Models

GAS GAS EC 450 F 2014 Racing European Models

GAS GAS EC 450 F 2015 Racing European Models

YAMAHA WR 450 F 2006 American Models

YAMAHA WR 450 F 2006 European Models

YAMAHA WR 450 F 2007 American Models

YAMAHA WR 450 F 2007 European Models

YAMAHA WR 450 F 2008 American Models

YAMAHA WR 450 F 2008 European Models

YAMAHA WR 450 F 2009 American Models

YAMAHA WR 450 F 2009 European Models

YAMAHA YZ 450 F 2006 50th Anniversary American Models

YAMAHA YZ 450 F 2006 American Models

YAMAHA YZ 450 F 2006 European Models

YAMAHA YZ 450 F 2007 American Models

YAMAHA YZ 450 F 2007 European Models

YAMAHA YZ 450 F 2008 American Models

YAMAHA YZ 450 F 2008 European Models

YAMAHA YZ 450 F 2009 American Models

YAMAHA YZ 450 F 2009 European Models

Manufacturer part number: 8630DA

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