Description
Upgrade your Honda ATC185, ATC200, ATC200S, ATC200M, ATC200E, ATC200ES, and ATC200X with the Wiseco Forged Piston Kit (65.00 mm standard bore). This high-performance, forged 4-stroke piston kit is engineered for a precise fit and built to the tightest tolerances for optimal strength and reliability. Each kit includes a forged piston, wrist pin, ring set, and circlips, delivering durability and consistent performance for both competitive and recreational riders. The piston features a 10.25:1 compression ratio and is crafted from high-silicon, low-expansion 2618 aluminum. Ideal for multiple-purpose riding, Wiseco pistons are diamond-turned on CNC machines for a flawless finish and are compatible with any cylinder bore composition.
Kit Includes:
- 1x Piston (65.00 mm std bore)
- 1x Ring Set #2559XC
- 1x Wrist Pin #S522
- 1x Circlip Set #CW15
Fits Honda ATC185 (1980), ATC185S (1981-1983), ATC200 (1981-1983), ATC200E (1982-1983), ATC200ES (1984), ATC200M (1984-1985), ATC200S (1984-1986), ATC200X (1983-1985), and TRX200 Fourtrax (1984).









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