Wiseco 4906M09800 Piston Kit - 3.00mm Oversize to 101.00mm, 12.5:1 Compression

Bore: 101.00mm
Compression: 12.5:1 Compression
Sizing: 3.00mm Oversize

SPECIFICATIONS.
Bore - Standard: 95.00mm.
Bore - Actual: 98.00mm.
Bore - Oversize: 3.00mm.
Cylinders: 1.
Skirt Coating: Moly.
Note: Sleeve or Big Bore Cylinder Required.
ITEM CONTENTS.
3858XS - 98.00 mm Ring Set.
CW20 - ROUND WIRE PIN LOCKS 20MM (PAIR).
S641 - PistonPin 20mm x 1.986in. NonChromed SW

All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life. Diamond turned finish from one of the many CNC computer controlled turning centers guarantees you a perfect finish with no size variation. Wiseco pistons can be installed in any of todays cylinder bore compositions. Wisecos state-of-the-art computerized manufacturing facility is dedicated to supplying both the high-perfomance racer and recreational enthusiast with the finest forged piston available in todays market place.

Vehicle Fitment:

2004-2009 Yamaha YFZ450
2012-2013 Yamaha YFZ450
2006-2007 Yamaha YFZ450 Bill Balance Edition
2007-2008 Yamaha YFZ450 SE
2011 Yamaha YFZ450X
2011 Yamaha YFZ450X SE