Hot Rods +4mm Stroker Crankshaft – Honda TRX250R 1987–1989
Hot Rods +4mm Stroker Crankshaft – Honda TRX250R (1987–1989)
Upgrade your TRX250R engine with this Hot Rods +4mm stroker crankshaft — precision-balanced and CNC machined for more torque, smoother revs, and reliable power gains.
✅ What’s Included
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Complete crankshaft assembly (+4mm stroke)
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Factory assembled and trued to OEM specs
📦 Fitment
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Honda TRX250R (1987–1989)
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Increases displacement to 260cc with stock piston
⚙️ Important Notes
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Head chamber must be machined 2.00mm deeper for clearance
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Main bearings sold separately
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Not rebuildable (uses shorter-than-OEM rods)
🛡️ Key Features
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Adds +4.00mm stroke for noticeable torque gains
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CNC-machined & dynamically balanced
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Perfect match for Cylinder Works Big Bore kits
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Drop-in OEM fit (no case mods required)
💲 Price & SKU
Retail Price: $521.95
SKU: 0921-0008 / 4107
Estimated Shipping Weight: 8.3 lbs
Ships Next Business Day
📦 Shipping Information
In-Stock Items:
- Most parts ship next business day
- Modquad parts: Monday–Thursday dispatch
Made-to-Order Items:
- Custom swingarms & A-arms: 2–4 weeks
- EVP exhaust systems: 2–4 weeks
- Sneakers: 1–2 weeks
Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.
Questions? Contact us—we respond within 24 hours.
