YFZ450R / YFZ450X 98mm Big Bore Top End Kit – Stage 2 Cams
🛠️ YFZ450R / YFZ450X 98mm Big Bore Top End Kit – Stage 2 Hotcams
Build your fuel-injected YFZ450R or YFZ450X into a track-ready beast with this complete 98mm big bore top end kit, featuring a purpose-built 98mm cylinder, forged piston, and Stage 2 Hotcams. No mods required—just bolt on and go.
Everything is brand new in original packaging and backed by manufacturer warranty.
✅ What’s Included:
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98mm Big Bore Cylinder (Purpose-Built)
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Wiseco, CP, or JE Forged Piston (based on availability)
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Hi-Temp Piston Rings
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Chrome Wristpin & Circlips
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Stage 2 Hotcams (Intake & Exhaust)
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Heavy-Duty Head Stud Kit
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Cam Chain
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Complete Top End Gasket Kit
📦 Fitment:
Fits all Yamaha YFZ450R and YFZ450X fuel-injected models and years:
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YFZ450R / RSE / RW: 2009–2020
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YFZ450X / XSE / Bill Balance Edition: 2010–2011
🛡️ Warranty Info:
Includes full manufacturer warranty on all parts.
⚠️ Must be installed by a qualified mechanic. Warranty void if failure results from improper installation, tuning, or misuse. Parts must be returned for inspection for any claim.
We ship next day most of the time. Modquad parts are shipped Monday-Thursday. Engine Kits are 3-5 business days.
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