Wiseco Pro-Lite Piston Kit - 605M06850 Yamaha YZ 250 / WR 250 1988-1991 Product Type_Dashes & Gauges the dual vent system is

the dual vent system is designed to add independent driver and passenger ventilation and anti-fogging features to the windshield

(5 mm) steel rod stock for maximum strength and durability

Engine Type 4-Stroke Engine Type 2-Stroke Product Name Gasket Kit Riding Style Off-Road Type Complete Units Kit Type Engine Riding Style Street

Color/Finish Anodized Color/Finish Black Riding Style Street Units Pair Product Name Guard Material Aluminum Riding Style Adventure Touring / Dual-Sport Type Radiator Riding Style Off-Road

Packaging Sold by Bottle Meets or Exceeds Requirements for JASO MA2 Riding Style Off-Road Viscosity (Weight) 10W-60 Meets or Exceeds Requirements for API SN Plus Oil Base Synthetic (Full-Synthetic) Application 4-Stroke Units Each Container Size 1

Wiseco Pro-Lite Piston Kit - 605M06850 Yamaha YZ 250 / WR 250 1988-1991 Product Type_Dashes & Gauges the dual vent system isFeatures Forged from high silicon aluminum alloy for maximum strength and dependability Wiseco offers a complete range of popular piston models and years for both trail and racing applications Durability, longevity and increased horsepower Innovative forging design and piston skirt provide maximum horsepower and torque Features forged pistons, rings, wrist pins, and circlips These high tech piston designs offer maximum compression ratios, ultra stiff