Honda CRF80F Piston Kit - Wiseco - 9.71 CR, 48.50 mm Bore - `04-`13. This Wiseco piston kit is a direct-fit replacement engineered for Honda CRF80F models from 2004 through 2013, offering a durable, race-bred forged piston designed for four-stroke powersports engines.

Wiseco forged pistons are manufactured to tight tolerances for consistent fit and long service life. This kit is built from dedicated 4-stroke forgings to optimize the strength-to-weight ratio, with improved tensile properties compared to cast alternatives. It is supplied complete with high-quality piston rings, wrist pin and circlips, and is engineered, forged and machined in Mentor, Ohio. The piston is sized for a 48.50 mm bore and a compression ratio of approximately 9.7:1 (listed as 9.71 CR), making it suitable for rebuilds and performance-oriented maintenance on the CRF80F.

Features

• Direct-fit for Honda CRF80F model years 2004–2013
• Forged 4-stroke piston for improved tensile strength
• 48.50 mm bore sizing with 9.71 CR specification
• Includes piston rings, wrist pin and circlips
• Engineered, forged and machined in the USA (Mentor, OH)

This Wiseco piston kit is a practical choice for riders and mechanics who want a reliable, properly sized replacement that preserves engine geometry and longevity. If you have questions about fitment, installation, or whether this kit matches your build, please call us directly. We have two locations that offer installation and customization services: Austin, Texas and the Los Angeles, California area. 512-982-9393 (TX) and 562-981-6800 (CA).

If you are considering purchasing multiple items, contact us for possible shipping discounts. We install on premises at both locations.

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