99-'01 for Yamaha YZ250 WISECO Top End Kit Pro-Lite 66.40/Std Yam
99-'01 for Yamaha YZ250 WISECO Top End Kit Pro-Lite 66.40/Std Yam

99-'01 for Yamaha YZ250 WISECO Top End Kit Pro-Lite 66.40/Std Yam

WISECO

$249.95

Quantity

Manufacturer: Wiseco
MPN: PK1573
Title: High Performance Forged 2-Stroke Pro-Lite Piston Kit
Size: 66.4 mm

This CNC-machined kit offers the optimal cam shape and profile for peak high-performance 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.
  • Dedicated forging
  • Superior strength/weight ratio utilizing Aerospace alloy
  • Race proven designs
  • Chosen by top race teams, in all forms of racing
  • Consistently true and durable

Important Notes

NOTESFits ceramic composite bore (sleeving or replating required for oversizes).

Fitment Chart

YearMakeModelPositionNotes
1999-2001YamahaYZ 250--