The Namura NX-10200-4 Piston Kit is a precision-engineered replacement piston assembly designed for select Honda ATC200 three-wheelers. With a 66.47 mm piston size and +1.00 mm oversize specification, this kit is intended for applications requiring an oversized replacement piston after cylinder service or boring. Verify cylinder preparation and piston clearance before installation.
Fitment: This Namura piston kit fits the 1983–1986 Honda ATC200X, 1984–1986 Honda ATC200S, 1984–1985 Honda ATC200M, and 1984 Honda ATC200ES. The manufacturer is Namura, and the vendor part number is NX-10200-4. This kit is designed for the listed Honda models and should be matched to the engine’s year, model, bore size, and service specifications before purchase.
Important Compatibility Note: The included rings will not work with an OEM piston, and OEM rings are not compatible with this Namura piston. Use the piston and ring components together as supplied, and follow the applicable Honda service manual for installation, ring orientation, break-in, and clearance requirements. Proper cylinder honing and measurement are recommended to support reliable performance and service life.
Features:
- Size: 66.47 mm piston with +1.00 mm oversize specification
- Model: Replacement piston kit for Honda ATC200 applications
- Brand: Namura
- Manufacturer Part Number: NX-10200-4
- Vendor Part Number: NX-10200-4
- Fitment: 1983–1986 Honda ATC200X, 1984–1986 Honda ATC200S, 1984–1985 Honda ATC200M, and 1984 Honda ATC200ES
- Compatibility: Included rings are not compatible with OEM pistons, and OEM rings will not work with this piston
- Installation: Verify bore condition, piston clearance, and application-specific service requirements before installation
Fitment:
1980 Honda ATC185
1980 Honda XR200
1981 Honda ATC185S
1981 Honda ATC200
1981 Honda XR200
1981 Honda XR200R
1982 Honda ATC185S
1982 Honda ATC200
1982 Honda ATC200E
1982 Honda XR200
1982 Honda XR200R
1983 Honda ATC185S
1983 Honda ATC200
1983 Honda ATC200E
1983 Honda ATC200X
1983 Honda XR200
1983 Honda XR200R
1984 Honda ATC200ES
1984 Honda ATC200M
1984 Honda ATC200S
1984 Honda ATC200X
1984 Honda XR200
1984 Honda XR200R
1985 Honda ATC200M
1985 Honda ATC200S
1985 Honda ATC200X
1985 Honda XR200R
1986 Honda ATC200S
1986 Honda ATC200X
1986 Honda XR200R
1987 Honda XR200R
1988 Honda XR200R
1989 Honda XR200R
1990 Honda XR200R
1991 Honda XR200R
1992 Honda XR200R
1993 Honda XR200R
1994 Honda XR200R
1995 Honda XR200R
1996 Honda XR200R
1997 Honda XR200R
1998 Honda XR200R
1999 Honda XR200R
2000 Honda XR200R
2001 Honda XR200R
2002 Honda XR200R