Honda CRF100F Piston Kit - Wiseco - 9.4:1 Compression Ratio - `04-`13. This forged piston kit is designed for the Honda CRF100F (2004–2013) and supplies the internal components needed for a direct replacement or a reliable refresh.

Wiseco's forged 4-stroke piston offers durable construction and precise sizing for consistent performance on the trail. The kit features a 55.00 mm bore piston with a 9.4:1 compression ratio and includes a wrist pin, piston rings, and circlips so you receive a complete package ready for installation. Forged material provides improved resistance to high-stress conditions compared with typical cast pistons, making it a practical choice for riders who want a durable, long-lasting replacement without speculative claims about power gains.

Features

• Fitment: Honda CRF100F 2004–2013 — 55.00 mm bore
• Compression Ratio: 9.4:1 for balanced combustion characteristics
• Complete kit: piston, wrist pin, rings, circlips included
• Forged construction for strength and extended service life

If you have questions or need help selecting the right piston or complementary parts, call us at 512-982-9393 (TX) or 562-981-6800 (CA). We have two locations offering installation and customization services in Austin, Texas and the Los Angeles, California area. If you're thinking about purchasing multiple items, contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov