Yamaha Warrior 350 Big Bore Kit – 84mm Cylinder & Stage 2 Hotcam
🛠️ Yamaha Warrior 350 Big Bore Top End Kit – 84mm Cylinder + Stage 2 Hotcam
Upgrade your YFM350 Warrior’s performance with this complete 84mm big bore top end kit. Includes a forged piston, Stage 2 Hotcam, and all top-end parts needed for a bolt-on rebuild. No machining required—just install and ride.
Compatible with all Yamaha Warrior 350 models and years. Runs on pump or race gas.
✅ What’s Included:
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84mm Aftermarket Big Bore Cylinder
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Wiseco or JE Forged Piston
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Hi-Temp Piston Rings
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Chrome Wristpin & Circlips
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Stage 2 Hotcam Camshaft
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Cam Bearings (x2)
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Heavy-Duty Timing Chain
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Top End Gasket Kit
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Head Bolts
📦 Fitment:
Fits all Yamaha YFM350 Warrior 350 models and years
🛡️ Warranty Info:
Includes manufacturer-backed warranty on all parts.
⚠️ Must be installed by a qualified engine builder. Warranty void if failure results from improper install, tuning, or misuse.
We ship next day most of the time. Modquad parts are shipped Monday-Thursday. Engine Kits are 3-5 business days.
We don't do backorder! If your items has already sold you will be notified immediately and you money refunded on the spot.
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If you see it on this website, it is 100% in stock unless it just sold before you clicked buy.
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