Wiseco 653M04050 High-Performance Piston Kit Yamaha PW50 40.50mm 1981-2025

Looking to give your PW50 some serious muscle? The WISECO 653M04050 High-Performance Piston Kit Yamaha PW50 40.50 mm is the secret weapon for riders who want more horsepower, better throttle response, and the kind of durability that keeps the little ripper running strong lap after lap.

Wiseco doesn’t cut corners. This piston is forged from high-silicon aluminum alloy, designed for insane strength and dependability. With its innovative forging design and specially engineered piston skirt, you’ll notice increased horsepower, torque, and longer life compared to stock setups. If you’re racing or just want your grom to have the toughest PW50 in the pits, this kit is your go-to.

The WISECO 653M04050 High-Performance Piston Kit Yamaha PW50 comes with everything you need: piston, rings, wrist pin, and circlips. Each piston is E-Coated on the crown, ring grooves, and pin bore to prevent micro-welding, detonation, and wear. Add in titanium nitride-coated rings and you’ve got a piston that transfers power more efficiently and lasts longer—even under full-throttle abuse.

And here’s the kicker—the GP Series design means tighter compression and smoother power delivery. Boost ports are removed, giving you a more predictable powerband and stronger top-end pull. Translation? Your Yamaha PW50 is about to feel like it just leveled up.

➡️ WISECO 653M04050 High-Performance Piston Kit Yamaha PW50 Benefits:

• Forged piston = stronger than stock, race-ready durability
• Titanium nitride-coated rings = longer life + max performance
• E-Coated surfaces = unbeatable wear resistance
• Complete install kit: piston, rings, wrist pin & circlips
• Precision-engineered for Yamaha PW50 1981–2025 (40.50 mm bore)

➡️ Stop messing around with average parts—upgrade today and let your PW50 rip harder, last longer, and perform like a true race machine.

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❓ FAQ

Q: What years of Yamaha PW50 does this piston fit?
A: This Wiseco piston kit fits PW50 models from 1981–2025.

Q: What’s included in the box?
A: Piston, ring set, wrist pin, and circlips—ready for install.

Q: Do I need a cylinder sleeve?
A: Sometimes, yes. Cylinder sleeves are sold separately.

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