Wiseco High-Performance Piston Kit Standard Bore for Yamaha YZ

Elevate your ride with the Wiseco High-Performance Standard Bore Piston Kit, engineered specifically for the Yamaha YZ 80 and YZ 80 LW models from 1985-1999. This premium Wiseco YZ 80 Piston Kit Standard Bore is meticulously forged from high-silicon aluminum alloy, ensuring unparalleled strength and reliability for both trail and racing applications.

Description

Designed to deliver a significant boost in performance, this high-performance motorcycle piston kit provides exceptional durability, longevity, and increased horsepower. The innovative forging design, combined with an optimized piston skirt, works in harmony to maximize both horsepower and torque output across the rev range. Wiseco's commitment to advanced engineering is evident in the ultra-stiff strutted forgings and titanium nitride-coated rings, which contribute to sustained power delivery and extended service life. Each piston in this assembly is E-Coated on the crown, ring grooves, and pin bore, offering superior wear resistance and protection against micro-welding, galling, and detonation, critical for high-stress environments. GP Series parts, like this one, feature reduced external machining to enhance bore sealing for increased compression. Furthermore, the removal of boost ports helps to create a more predictable powerband, providing a stronger pull in the top end, making it an ideal choice for expert racers and tuners seeking a competitive edge for their Yamaha YZ 80 engine rebuild.

Features & Highlights

• Forged High-Silicon Aluminum Alloy: Constructed for maximum strength and dependability, ensuring your engine can withstand the rigors of high-performance riding and racing.
• Increased Horsepower & Torque: Innovative piston design and skirt geometry are engineered to optimize engine output, delivering noticeable gains in both power and torque.
• Enhanced Durability & Longevity: Features like ultra-stiff strutted forgings and titanium nitride-coated rings contribute to a longer lifespan and consistent performance, even under demanding conditions.
• E-Coated for Superior Protection: The piston's crown, ring grooves, and pin bore are E-Coated to provide exceptional wear resistance, preventing micro-welding, galling, and detonation.
• Optimized Compression & Powerband: GP Series design minimizes external machining for better bore sealing and compression, while removed boost ports ensure a more predictable and powerful top-end pull.
• Complete Kit for Rebuilds: Includes all essential components: the high-tech forged piston, rings, wrist pin, and circlips, simplifying your engine rebuild process.

Technical Specifications

• Brand: Wiseco
• Piston Type: High-Performance Forged
• Bore Size: Standard (STD.)
• Construction Material: High-Silicon Aluminum Alloy
• Fitment: Yamaha YZ 80, YZ 80 LW (1985-1999)
• EAN: 0193564134011

Important to Know

• Cylinder sleeves must be purchased separately.
• Service intervals may be increased with Racer's Choice pistons over conventional Wiseco pistons, and are for expert racers and tuners only.