
TRX250R Crankshaft Main Bearings – 1986–1989 | SKF Upgrade
🔩 Crankshaft Main Bearings – Honda TRX250R (1986–1989)
Part #: 91003-KA4-771 | Condition: New | Warranty: 1 Year
These replacement crankshaft main bearings fit all 1986–1989 Honda TRX250R models and are manufactured by SKF, known for superior load-handling and heat resistance. This is a drop-in replacement for the OEM bearings — perfect for rebuilds, upgrades, or maintenance.
✅ Fits all '86–'89 Honda TRX250R 2x4 models
✅ Replaces OEM Part #: 91003-KA4-771
✅ All components are brand new in original packaging
📦 Kit Includes:
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✅ SKF High-Quality Crankshaft Main Bearings (x2)
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✅ Designed for durability and performance in high-RPM engines
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✅ 1-Year Limited Warranty*
🔧 Key Features:
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Direct OEM replacement – no modifications required
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Stronger and longer lasting than standard OEM bearings
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Compatible with all stock and aftermarket cranks
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Great for OEM rebuilds, performance engines, or race prep
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Authorized distributor – verified parts and warranty support
✅ Compatibility:
Fits the following Honda TRX250 and TRX250R models:
Year | Make | Model | Submodel |
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1986 | Honda | TRX250 | 2x4 FourTrax |
1986 | Honda | TRX250R | 2x4 FourTrax |
1987 | Honda | TRX250 | 2x4 FourTrax |
1987 | Honda | TRX250R | 2x4 FourTrax |
1987 | Honda | TRX250X | 2x4 FourTrax |
1988 | Honda | TRX250R | 2x4 FourTrax |
1988 | Honda | TRX250X | 2x4 FourTrax |
1989 | Honda | TRX250R | 2x4 FourTrax |
📦 Shipping Time:
Ships within 1–3 business days. Tracking provided once shipped.
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