94-00 for Yamaha YFB250FW Timberwolf 4WD [SRA] Top End Kit 71.50/+0.50 8.7:1 Yam
94-00 for Yamaha YFB250FW Timberwolf 4WD [SRA] Top End Kit 71.50/+0.50 8.7:1 Yam

94-00 for Yamaha YFB250FW Timberwolf 4WD [SRA] Top End Kit 71.50/+0.50 8.7:1 Yam

WISECO

$257.17

Quantity

Manufacturer: Wiseco
MPN: PK1055
Title: High-Performance Complete Top End Kits
Size: 71.5mm

Premium materials produce the best sealing technology available exceeding O.E.M. standards. 2-Stroke: Wiseco top end gasket kit; Dedicated forging; Superior strength/weight ratio utilizing Aerospace alloy; Race proven designs; Chosen by top race teams, in all forms of racing; CNC machined; Optimal cam shape and profile for peak HP and service life; Premium top end needle bearing; Precision machined, highest quality materials for strength and reduced friction; High-performance ring set; Extended life and sustained power; Highest quality, alloy pin; Consistently true and durable. 4-Stroke: Wiseco top end gasket kit; Premium materials produce the best sealing technology available exceeding O.E.M. standards; Dedicated forging; Superior strength/weight ratio utilizing Aerospace alloy; Dome design; Improved flame travel; Chrome plated piston pin; Horizontal slot pin oiling; Reduced friction/scuff resistant; Pressure seal groove; Maximum ring seal; Armor Glide Skirt-Coated available for select models; Dedicated Rings; Maximum compression and oil control.

Fitment Chart

YearMakeModelPositionNotes
2007-2009YamahaYFM 250 Big Bear--
2005-2006YamahaYFM 250 Bruin--
2000-2004YamahaYFM 250 Bear Tracker--
1992-1998YamahaTimberwolf 250 4x2--