PISTON KIT DT50 RD50 40.00mm -353- 353-11631-00-00 / 4K5-11631-00-00 / 5L3-11631-00-00
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PISTON KIT STD BORE 40.00mm 2-STROKE YAM. Ready to install, Dirt Racing Piston Kits are supplied complete with piston rings, wrist pin, and circlips. Dirt Racing pistons are precision machined on the latest CNC equipment and use a low-expansion, low-friction piston alloy. Uses an OEM style tin coating to assist the break-in process. Meets or exceeds OEM quality. Direct OEM replacement. Part No. 56-W9855.000.DR. Cross reference numbers: PROX 01.2003.000, 353-11631-00-00, 4K5-11631-00-00, 5L3-11631-00-00, MP-09926.
- SKU
- 56-W9855.000.DR
- Brand
- No Brand
- Availability
- In Stock (2)
Fitments (195)
| Make | Model | Year |
|---|---|---|
| YAMAHA | CHAPPY 50 | 1950 |
| YAMAHA | CHAPPY 50 | 1951 |
| YAMAHA | CHAPPY 50 | 1952 |
| YAMAHA | CHAPPY 50 | 1953 |
| YAMAHA | CHAPPY 50 | 1954 |
| YAMAHA | CHAPPY 50 | 1955 |
| YAMAHA | CHAPPY 50 | 1956 |
| YAMAHA | CHAPPY 50 | 1957 |
| YAMAHA | CHAPPY 50 | 1958 |
| YAMAHA | CHAPPY 50 | 1959 |
| YAMAHA | CHAPPY 50 | 1960 |
| YAMAHA | CHAPPY 50 | 1961 |
| YAMAHA | CHAPPY 50 | 1962 |
| YAMAHA | CHAPPY 50 | 1963 |
| YAMAHA | CHAPPY 50 | 1964 |
| YAMAHA | CHAPPY 50 | 1965 |
| YAMAHA | CHAPPY 50 | 1966 |
| YAMAHA | CHAPPY 50 | 1967 |
| YAMAHA | CHAPPY 50 | 1968 |
| YAMAHA | CHAPPY 50 | 1969 |
| YAMAHA | CHAPPY 50 | 1970 |
| YAMAHA | CHAPPY 50 | 1971 |
| YAMAHA | CHAPPY 50 | 1972 |
| YAMAHA | CHAPPY 50 | 1973 |
| YAMAHA | CHAPPY 50 | 1974 |
| YAMAHA | CHAPPY 50 | 1975 |
| YAMAHA | CHAPPY 50 | 1976 |
| YAMAHA | CHAPPY 50 | 1977 |
| YAMAHA | CHAPPY 50 | 1978 |
| YAMAHA | CHAPPY 50 | 1979 |
| YAMAHA | CHAPPY 50 | 1980 |
| YAMAHA | CHAPPY 50 | 1981 |
| YAMAHA | CHAPPY 50 | 1982 |
| YAMAHA | CHAPPY 50 | 1983 |
| YAMAHA | CHAPPY 50 | 1984 |
| YAMAHA | CHAPPY 50 | 1985 |
| YAMAHA | CHAPPY 50 | 1986 |
| YAMAHA | CHAPPY 50 | 1987 |
| YAMAHA | CHAPPY 50 | 1988 |
| YAMAHA | CHAPPY 50 | 1989 |
| YAMAHA | CHAPPY 50 | 1990 |
| YAMAHA | CHAPPY 50 | 1991 |
| YAMAHA | CHAPPY 50 | 1992 |
| YAMAHA | CHAPPY 50 | 1993 |
| YAMAHA | CHAPPY 50 | 1994 |
| YAMAHA | CHAPPY 50 | 1995 |
| YAMAHA | CHAPPY 50 | 1996 |
| YAMAHA | CHAPPY 50 | 1997 |
| YAMAHA | CHAPPY 50 | 1998 |
| YAMAHA | CHAPPY 50 | 1999 |
| YAMAHA | CHAPPY 50 | 2000 |
| YAMAHA | CHAPPY 50 | 2001 |
| YAMAHA | CHAPPY 50 | 2002 |
| YAMAHA | CHAPPY 50 | 2003 |
| YAMAHA | CHAPPY 50 | 2004 |
| YAMAHA | CHAPPY 50 | 2005 |
| YAMAHA | CHAPPY 50 | 2006 |
| YAMAHA | CHAPPY 50 | 2007 |
| YAMAHA | CHAPPY 50 | 2008 |
| YAMAHA | CHAPPY 50 | 2009 |
| YAMAHA | CHAPPY 50 | 2010 |
| YAMAHA | CHAPPY 50 | 2011 |
| YAMAHA | CHAPPY 50 | 2012 |
| YAMAHA | CHAPPY 50 | 2013 |
| YAMAHA | CHAPPY 50 | 2014 |
| YAMAHA | DT 50 | 1950 |
| YAMAHA | DT 50 | 1951 |
| YAMAHA | DT 50 | 1952 |
| YAMAHA | DT 50 | 1953 |
| YAMAHA | DT 50 | 1954 |
| YAMAHA | DT 50 | 1955 |
| YAMAHA | DT 50 | 1956 |
| YAMAHA | DT 50 | 1957 |
| YAMAHA | DT 50 | 1958 |
| YAMAHA | DT 50 | 1959 |
| YAMAHA | DT 50 | 1960 |
| YAMAHA | DT 50 | 1961 |
| YAMAHA | DT 50 | 1962 |
| YAMAHA | DT 50 | 1963 |
| YAMAHA | DT 50 | 1964 |
| YAMAHA | DT 50 | 1965 |
| YAMAHA | DT 50 | 1966 |
| YAMAHA | DT 50 | 1967 |
| YAMAHA | DT 50 | 1968 |
| YAMAHA | DT 50 | 1969 |
| YAMAHA | DT 50 | 1970 |
| YAMAHA | DT 50 | 1971 |
| YAMAHA | DT 50 | 1972 |
| YAMAHA | DT 50 | 1973 |
| YAMAHA | DT 50 | 1974 |
| YAMAHA | DT 50 | 1975 |
| YAMAHA | DT 50 | 1976 |
| YAMAHA | DT 50 | 1977 |
| YAMAHA | DT 50 | 1978 |
| YAMAHA | DT 50 | 1979 |
| YAMAHA | DT 50 | 1980 |
| YAMAHA | DT 50 | 1981 |
| YAMAHA | DT 50 | 1982 |
| YAMAHA | DT 50 | 1983 |
| YAMAHA | DT 50 | 1984 |
| YAMAHA | DT 50 | 1985 |
| YAMAHA | DT 50 | 1986 |
| YAMAHA | DT 50 | 1987 |
| YAMAHA | DT 50 | 1988 |
| YAMAHA | DT 50 | 1989 |
| YAMAHA | DT 50 | 1990 |
| YAMAHA | DT 50 | 1991 |
| YAMAHA | DT 50 | 1992 |
| YAMAHA | DT 50 | 1993 |
| YAMAHA | DT 50 | 1994 |
| YAMAHA | DT 50 | 1995 |
| YAMAHA | DT 50 | 1996 |
| YAMAHA | DT 50 | 1997 |
| YAMAHA | DT 50 | 1998 |
| YAMAHA | DT 50 | 1999 |
| YAMAHA | DT 50 | 2000 |
| YAMAHA | DT 50 | 2001 |
| YAMAHA | DT 50 | 2002 |
| YAMAHA | DT 50 | 2003 |
| YAMAHA | DT 50 | 2004 |
| YAMAHA | DT 50 | 2005 |
| YAMAHA | DT 50 | 2006 |
| YAMAHA | DT 50 | 2007 |
| YAMAHA | DT 50 | 2008 |
| YAMAHA | DT 50 | 2009 |
| YAMAHA | DT 50 | 2010 |
| YAMAHA | DT 50 | 2011 |
| YAMAHA | DT 50 | 2012 |
| YAMAHA | DT 50 | 2013 |
| YAMAHA | DT 50 | 2014 |
| YAMAHA | YSR 50 | 1950 |
| YAMAHA | YSR 50 | 1951 |
| YAMAHA | YSR 50 | 1952 |
| YAMAHA | YSR 50 | 1953 |
| YAMAHA | YSR 50 | 1954 |
| YAMAHA | YSR 50 | 1955 |
| YAMAHA | YSR 50 | 1956 |
| YAMAHA | YSR 50 | 1957 |
| YAMAHA | YSR 50 | 1958 |
| YAMAHA | YSR 50 | 1959 |
| YAMAHA | YSR 50 | 1960 |
| YAMAHA | YSR 50 | 1961 |
| YAMAHA | YSR 50 | 1962 |
| YAMAHA | YSR 50 | 1963 |
| YAMAHA | YSR 50 | 1964 |
| YAMAHA | YSR 50 | 1965 |
| YAMAHA | YSR 50 | 1966 |
| YAMAHA | YSR 50 | 1967 |
| YAMAHA | YSR 50 | 1968 |
| YAMAHA | YSR 50 | 1969 |
| YAMAHA | YSR 50 | 1970 |
| YAMAHA | YSR 50 | 1971 |
| YAMAHA | YSR 50 | 1972 |
| YAMAHA | YSR 50 | 1973 |
| YAMAHA | YSR 50 | 1974 |
| YAMAHA | YSR 50 | 1975 |
| YAMAHA | YSR 50 | 1976 |
| YAMAHA | YSR 50 | 1977 |
| YAMAHA | YSR 50 | 1978 |
| YAMAHA | YSR 50 | 1979 |
| YAMAHA | YSR 50 | 1980 |
| YAMAHA | YSR 50 | 1981 |
| YAMAHA | YSR 50 | 1982 |
| YAMAHA | YSR 50 | 1983 |
| YAMAHA | YSR 50 | 1984 |
| YAMAHA | YSR 50 | 1985 |
| YAMAHA | YSR 50 | 1986 |
| YAMAHA | YSR 50 | 1987 |
| YAMAHA | YSR 50 | 1988 |
| YAMAHA | YSR 50 | 1989 |
| YAMAHA | YSR 50 | 1990 |
| YAMAHA | YSR 50 | 1991 |
| YAMAHA | YSR 50 | 1992 |
| YAMAHA | YSR 50 | 1993 |
| YAMAHA | YSR 50 | 1994 |
| YAMAHA | YSR 50 | 1995 |
| YAMAHA | YSR 50 | 1996 |
| YAMAHA | YSR 50 | 1997 |
| YAMAHA | YSR 50 | 1998 |
| YAMAHA | YSR 50 | 1999 |
| YAMAHA | YSR 50 | 2000 |
| YAMAHA | YSR 50 | 2001 |
| YAMAHA | YSR 50 | 2002 |
| YAMAHA | YSR 50 | 2003 |
| YAMAHA | YSR 50 | 2004 |
| YAMAHA | YSR 50 | 2005 |
| YAMAHA | YSR 50 | 2006 |
| YAMAHA | YSR 50 | 2007 |
| YAMAHA | YSR 50 | 2008 |
| YAMAHA | YSR 50 | 2009 |
| YAMAHA | YSR 50 | 2010 |
| YAMAHA | YSR 50 | 2011 |
| YAMAHA | YSR 50 | 2012 |
| YAMAHA | YSR 50 | 2013 |
| YAMAHA | YSR 50 | 2014 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- Variant Id
- 258931
FULL DESCRIPTION
Dirt Racing Piston Kit - 40.00mm Bore
This high-quality piston kit is designed as a direct replacement for specific Yamaha two-stroke engines. Precision-machined using advanced CNC equipment, it ensures an exact fit and optimal performance. The kit includes all necessary components for a straightforward installation.
Key Features:
- Standard Bore Size: 40.00mm
- Complete Kit: Supplied with piston rings, wrist pin, and circlips.
- Premium Materials: Constructed from a low-expansion, low-friction alloy, mirroring the materials used by major Japanese engine manufacturers.
- Break-in Assistance: Features an OEM-style tin coating to aid the initial engine break-in process.
- OEM Quality: Meets or exceeds original equipment manufacturer standards.
- Direct Replacement: Engineered for a seamless fit as an OEM replacement part.
- Guaranteed Satisfaction: Part of the oro2u range, offering quality replacement parts with a satisfaction guarantee.
This piston kit is a reliable choice for restoring or enhancing the performance of your compatible two-stroke motorcycle.
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
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More answers in our FAQ.
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