Honda TRX300 Piston Kit - Wiseco - 10.251 CR - `88-`00. A direct-fit Wiseco forged piston kit for Honda TRX300 models from 1988–2000, designed for riders who want a reliable, engine-specific replacement or upgrade.

This Wiseco piston kit is engineered for 4-stroke powersports use and manufactured to tight tolerances for consistent fit and longevity. The forged construction offers improved tensile strength over cast alternatives, while dedicated forgings and machining optimize the strength-to-weight ratio for this specific Honda application. The kit is supplied complete with high-quality piston rings, wrist pin(s), and circlips, and is engineered, forged, and machined in Mentor, OH, USA. Intended for both 2WD and 4WD TRX300 models, the piston measures 75.00 mm bore with a 10.25:1 compression ratio (10.251 CR).

Features

• Fitment: Honda TRX300 (1988–2000), 2WD/4WD
• Bore & CR: 75.00 mm bore, 10.25:1 compression ratio
• Complete kit: piston, rings, wrist pin(s), circlips included
• Forged and machined in the USA (Mentor, OH)
• Engine-specific forgings for optimized strength-to-weight and tight tolerances

If you have questions or need help confirming fitment, call us — we’re happy to assist. We offer installation and customization services at two locations: Austin, Texas and the Los Angeles, California area. Call us at 512-982-9393 (TX) or 562-981-6800 (CA). If you’re considering multiple items, contact us for shipping discounts. We install on premises at both locations.

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