1999 - 2024
YAMAHA YZ 250
Piston kit
| ProX
Fits to:
YAMAHA YZ 250 [1999 - 2023]
YAMAHA YZ 250 [2012 - 2012]
YAMAHA YZ 250 [2022 - 2022]
YAMAHA YZ 250 [2006 - 2006]
YAMAHA YZ250 [1999 - 2024]
YAMAHA YZ 250 [2017 - 2017]
YAMAHA YZ 250 [2015 - 2015]
YAMAHA YZ 250 [2023 - 2023]
YAMAHA YZ 250 [2016 - 2016]
YAMAHA YZ 250 [2019 - 2019]
YAMAHA YZ 250 [2018 - 2018]
YAMAHA YZ 250 [2021 - 2021]
YAMAHA YZ 250 [2008 - 2008]
YAMAHA YZ 250 [2000 - 2000]
YAMAHA YZ 250 [1999 - 1999]
YAMAHA YZ 250 [2014 - 2014]
YAMAHA YZ 250 [2011 - 2011]
YAMAHA YZ 250 [2013 - 2013]
YAMAHA YZ 250 [2007 - 2007]
YAMAHA YZ 250 Monster Energy Racing Edition [2023 - 2023]
YAMAHA YZ 250 Monster Energy Racing Edition [2022 - 2022]
YAMAHA YZ 250 [2003 - 2003]
YAMAHA YZ 250 [2001 - 2001]
YAMAHA YZ 250 [2020 - 2020]
YAMAHA YZ 250 [2010 - 2010]
YAMAHA YZ 250 [2009 - 2009]
YAMAHA YZ 250 [2005 - 2005]
YAMAHA YZ 250 [2004 - 2004]
YAMAHA YZ 250 [2002 - 2002]
Specifications
| Manufacturer | ProX |
|---|---|
| Piston diameter | 66.38mm |
| Bore - oversize | Standard |
| Bore - oversize metric | Standard |
| Bore size | 66,40 mm |
| Compression ratio | Standard |
| Compression ratio imperial | Standard |
| Engine type | 2-Stroke |
| Piston material | Aluminum Alloy |
| Piston size | 66,38 mm |
| Piston size metric | 66.38 mm |
| Skirt coating | Moly Coated |
| Type | Standard Size D |
| Units | Kit |
| Width | 80.000 |
| Height | 85.000 |
| Length | 80.000 |
Product description
Manufactured in Japan and designed to be OEM replacement
Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances
Pistons supplied in a kit package that includes rings, wrist pins and circlips