Prox Piston Kit For Suzuki RM250 2003-2012 66.37 mm
£148.49
RRP £148.49
Quick Code: 2493240
This item will be coming back soon - be the first to know
Notify Me When Available
Pay in 3 interest-free payments with:

Seen it cheaper? We'll beat it

Product description

The Prox Piston Kit For Suzuki RM250 2003-2012 66.37 mm is part of the latest collection from Prox.

Features:

  • 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
  • Kit includes piston, ring kit, wrist pin, and circlips

Specifications:

  • Bore - Oversize Metric: Standard
  • Bore - Oversize: Standard
  • Bore Size: 66.40 mm
  • Compression Ratio Imperial: Standard
  • Compression Ratio: Standard
  • Displacement: 250 cc
  • Engine Type: 2-Stroke
  • Piston Material: Aluminum Alloy
  • Piston Size Metric: 66.37 mm
  • Piston Size: 66.37 mm
  • Product Name: Piston Kit
  • Skirt Coating: Moly Coated

To fit:

  • SUZUKI RM 250 2003 American Models
  • SUZUKI RM 250 2003 European Models
  • SUZUKI RM 250 2004 All Models
  • SUZUKI RM 250 2005 All Models
  • SUZUKI RM 250 2006 All Models
  • SUZUKI RM 250 2007 All Models
  • SUZUKI RM 250 2008 All Models
  • SUZUKI RM 250 2009 All Models
  • SUZUKI RM 250 2010 All Models
  • SUZUKI RM 250 2011 All Models
  • SUZUKI RM 250 2012 All Models
  • YAMAHA YZ 250 F 2001 American Models
  • YAMAHA YZ 250 F 2001 European Models
  • YAMAHA YZ 250 F 2002 American Models
  • YAMAHA YZ 250 F 2002 European Models
  • YAMAHA YZ 250 F 2004 American Models
  • YAMAHA YZ 250 F 2004 European Models
  • YAMAHA YZ 250 X 2016 American Models
  • YAMAHA YZ 250 X 2017 American Models
  • YAMAHA YZ 250 X 2018 American Models
  • YAMAHA YZ 250 X 2019 American Models
  • YAMAHA YZ 250 X 2020 American Models
  • YAMAHA YZ 250 X 2021 American Models
  • YAMAHA YZ 250 X 2022 American Models
  • YAMAHA YZ 250 X 2023 American Models
  • YAMAHA YZ 250 X 2024 American Models
  • YAMAHA YZ 250 1999 American Models
  • YAMAHA YZ 250 1999 European Models
  • YAMAHA YZ 250 2000 American Models
  • YAMAHA YZ 250 2000 European Models
  • YAMAHA YZ 250 2001 American Models
  • YAMAHA YZ 250 2001 European Models
  • YAMAHA YZ 250 2002 American Models
  • YAMAHA YZ 250 2002 European Models
  • YAMAHA YZ 250 2003 American Models
  • YAMAHA YZ 250 2003 European Models
  • YAMAHA YZ 250 2004 American Models
  • YAMAHA YZ 250 2004 European Models
  • YAMAHA YZ 250 2005 American Models
  • YAMAHA YZ 250 2005 European Models
  • YAMAHA YZ 250 2006 American Models
  • YAMAHA YZ 250 2006 European Models
  • YAMAHA YZ 250 2007 American Models
  • YAMAHA YZ 250 2007 European Models
  • YAMAHA YZ 250 2008 American Models
  • YAMAHA YZ 250 2008 European Models
  • YAMAHA YZ 250 2009 American Models
  • YAMAHA YZ 250 2009 European Models
  • YAMAHA YZ 250 2010 American Models
  • YAMAHA YZ 250 2010 European Models
  • YAMAHA YZ 250 2011 American Models
  • YAMAHA YZ 250 2011 European Models
  • YAMAHA YZ 250 2012 American Models
  • YAMAHA YZ 250 2012 European Models
  • YAMAHA YZ 250 2013 American Models
  • YAMAHA YZ 250 2013 European Models
  • YAMAHA YZ 250 2014 American Models
  • YAMAHA YZ 250 2014 European Models
  • YAMAHA YZ 250 2015 American Models
  • YAMAHA YZ 250 2015 European Models
  • YAMAHA YZ 250 2016 American Models
  • YAMAHA YZ 250 2016 European Models
  • YAMAHA YZ 250 2017 American Models
  • YAMAHA YZ 250 2017 European Models
  • YAMAHA YZ 250 2018 European Models
  • YAMAHA YZ 250 2019 All Models
  • YAMAHA YZ 250 2020 All Models
  • YAMAHA YZ 250 2021 All Models
  • YAMAHA YZ 250 2022 Monster Energy Racing Edition All Models
  • YAMAHA YZ 250 2022 All Models
  • YAMAHA YZ 250 2023 Monster Energy Racing Edition All Models
  • YAMAHA YZ 250 2023 All Models
  • YAMAHA YZ 250 2024 50th Anniversary Edition All Models
  • YAMAHA YZ 250 2024 All Models

Manufacturer part number: 01.2321.C

View all Prox. View all Parts and spares.

Contents

Your package will include the following:

  • 1 X Prox Piston Kit For Suzuki RM250 2003-2012 66.37 mm

To fit:

  • SUZUKI RM 250 2003 American Models
  • SUZUKI RM 250 2003 European Models
  • SUZUKI RM 250 2004 All Models
  • SUZUKI RM 250 2005 All Models
  • SUZUKI RM 250 2006 All Models
  • SUZUKI RM 250 2007 All Models
  • SUZUKI RM 250 2008 All Models
  • SUZUKI RM 250 2009 All Models
  • SUZUKI RM 250 2010 All Models
  • SUZUKI RM 250 2011 All Models
  • SUZUKI RM 250 2012 All Models
  • YAMAHA YZ 250 F 2001 American Models
  • YAMAHA YZ 250 F 2001 European Models
  • YAMAHA YZ 250 F 2002 American Models
  • YAMAHA YZ 250 F 2002 European Models
  • YAMAHA YZ 250 F 2004 American Models
  • YAMAHA YZ 250 F 2004 European Models
  • YAMAHA YZ 250 X 2016 American Models
  • YAMAHA YZ 250 X 2017 American Models
  • YAMAHA YZ 250 X 2018 American Models
  • YAMAHA YZ 250 X 2019 American Models
  • YAMAHA YZ 250 X 2020 American Models
  • YAMAHA YZ 250 X 2021 American Models
  • YAMAHA YZ 250 X 2022 American Models
  • YAMAHA YZ 250 X 2023 American Models
  • YAMAHA YZ 250 X 2024 American Models
  • YAMAHA YZ 250 1999 American Models
  • YAMAHA YZ 250 1999 European Models
  • YAMAHA YZ 250 2000 American Models
  • YAMAHA YZ 250 2000 European Models
  • YAMAHA YZ 250 2001 American Models
  • YAMAHA YZ 250 2001 European Models
  • YAMAHA YZ 250 2002 American Models
  • YAMAHA YZ 250 2002 European Models
  • YAMAHA YZ 250 2003 American Models
  • YAMAHA YZ 250 2003 European Models
  • YAMAHA YZ 250 2004 American Models
  • YAMAHA YZ 250 2004 European Models
  • YAMAHA YZ 250 2005 American Models
  • YAMAHA YZ 250 2005 European Models
  • YAMAHA YZ 250 2006 American Models
  • YAMAHA YZ 250 2006 European Models
  • YAMAHA YZ 250 2007 American Models
  • YAMAHA YZ 250 2007 European Models
  • YAMAHA YZ 250 2008 American Models
  • YAMAHA YZ 250 2008 European Models
  • YAMAHA YZ 250 2009 American Models
  • YAMAHA YZ 250 2009 European Models
  • YAMAHA YZ 250 2010 American Models
  • YAMAHA YZ 250 2010 European Models
  • YAMAHA YZ 250 2011 American Models
  • YAMAHA YZ 250 2011 European Models
  • YAMAHA YZ 250 2012 American Models
  • YAMAHA YZ 250 2012 European Models
  • YAMAHA YZ 250 2013 American Models
  • YAMAHA YZ 250 2013 European Models
  • YAMAHA YZ 250 2014 American Models
  • YAMAHA YZ 250 2014 European Models
  • YAMAHA YZ 250 2015 American Models
  • YAMAHA YZ 250 2015 European Models
  • YAMAHA YZ 250 2016 American Models
  • YAMAHA YZ 250 2016 European Models
  • YAMAHA YZ 250 2017 American Models
  • YAMAHA YZ 250 2017 European Models
  • YAMAHA YZ 250 2018 European Models
  • YAMAHA YZ 250 2019 All Models
  • YAMAHA YZ 250 2020 All Models
  • YAMAHA YZ 250 2021 All Models
  • YAMAHA YZ 250 2022 Monster Energy Racing Edition All Models
  • YAMAHA YZ 250 2022 All Models
  • YAMAHA YZ 250 2023 Monster Energy Racing Edition All Models
  • YAMAHA YZ 250 2023 All Models
  • YAMAHA YZ 250 2024 50th Anniversary Edition All Models
  • YAMAHA YZ 250 2024 All Models


ProX is a Dutch brand specialising in high-quality replacement parts for motorcycles, motocross, ATVs, and other powersports vehicles. Their range includes pistons, connecting rods, clutch components, bearings, and valves, all manufactured to OEM standards. ProX parts are trusted worldwide for durability, precision, and performance, making them a go-to choice for riders.

Product description

The Prox Piston Kit For Suzuki RM250 2003-2012 66.37 mm is part of the latest collection from Prox.

Features:

  • 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
  • Kit includes piston, ring kit, wrist pin, and circlips

Specifications:

  • Bore - Oversize Metric: Standard
  • Bore - Oversize: Standard
  • Bore Size: 66.40 mm
  • Compression Ratio Imperial: Standard
  • Compression Ratio: Standard
  • Displacement: 250 cc
  • Engine Type: 2-Stroke
  • Piston Material: Aluminum Alloy
  • Piston Size Metric: 66.37 mm
  • Piston Size: 66.37 mm
  • Product Name: Piston Kit
  • Skirt Coating: Moly Coated

To fit:

  • SUZUKI RM 250 2003 American Models
  • SUZUKI RM 250 2003 European Models
  • SUZUKI RM 250 2004 All Models
  • SUZUKI RM 250 2005 All Models
  • SUZUKI RM 250 2006 All Models
  • SUZUKI RM 250 2007 All Models
  • SUZUKI RM 250 2008 All Models
  • SUZUKI RM 250 2009 All Models
  • SUZUKI RM 250 2010 All Models
  • SUZUKI RM 250 2011 All Models
  • SUZUKI RM 250 2012 All Models
  • YAMAHA YZ 250 F 2001 American Models
  • YAMAHA YZ 250 F 2001 European Models
  • YAMAHA YZ 250 F 2002 American Models
  • YAMAHA YZ 250 F 2002 European Models
  • YAMAHA YZ 250 F 2004 American Models
  • YAMAHA YZ 250 F 2004 European Models
  • YAMAHA YZ 250 X 2016 American Models
  • YAMAHA YZ 250 X 2017 American Models
  • YAMAHA YZ 250 X 2018 American Models
  • YAMAHA YZ 250 X 2019 American Models
  • YAMAHA YZ 250 X 2020 American Models
  • YAMAHA YZ 250 X 2021 American Models
  • YAMAHA YZ 250 X 2022 American Models
  • YAMAHA YZ 250 X 2023 American Models
  • YAMAHA YZ 250 X 2024 American Models
  • YAMAHA YZ 250 1999 American Models
  • YAMAHA YZ 250 1999 European Models
  • YAMAHA YZ 250 2000 American Models
  • YAMAHA YZ 250 2000 European Models
  • YAMAHA YZ 250 2001 American Models
  • YAMAHA YZ 250 2001 European Models
  • YAMAHA YZ 250 2002 American Models
  • YAMAHA YZ 250 2002 European Models
  • YAMAHA YZ 250 2003 American Models
  • YAMAHA YZ 250 2003 European Models
  • YAMAHA YZ 250 2004 American Models
  • YAMAHA YZ 250 2004 European Models
  • YAMAHA YZ 250 2005 American Models
  • YAMAHA YZ 250 2005 European Models
  • YAMAHA YZ 250 2006 American Models
  • YAMAHA YZ 250 2006 European Models
  • YAMAHA YZ 250 2007 American Models
  • YAMAHA YZ 250 2007 European Models
  • YAMAHA YZ 250 2008 American Models
  • YAMAHA YZ 250 2008 European Models
  • YAMAHA YZ 250 2009 American Models
  • YAMAHA YZ 250 2009 European Models
  • YAMAHA YZ 250 2010 American Models
  • YAMAHA YZ 250 2010 European Models
  • YAMAHA YZ 250 2011 American Models
  • YAMAHA YZ 250 2011 European Models
  • YAMAHA YZ 250 2012 American Models
  • YAMAHA YZ 250 2012 European Models
  • YAMAHA YZ 250 2013 American Models
  • YAMAHA YZ 250 2013 European Models
  • YAMAHA YZ 250 2014 American Models
  • YAMAHA YZ 250 2014 European Models
  • YAMAHA YZ 250 2015 American Models
  • YAMAHA YZ 250 2015 European Models
  • YAMAHA YZ 250 2016 American Models
  • YAMAHA YZ 250 2016 European Models
  • YAMAHA YZ 250 2017 American Models
  • YAMAHA YZ 250 2017 European Models
  • YAMAHA YZ 250 2018 European Models
  • YAMAHA YZ 250 2019 All Models
  • YAMAHA YZ 250 2020 All Models
  • YAMAHA YZ 250 2021 All Models
  • YAMAHA YZ 250 2022 Monster Energy Racing Edition All Models
  • YAMAHA YZ 250 2022 All Models
  • YAMAHA YZ 250 2023 Monster Energy Racing Edition All Models
  • YAMAHA YZ 250 2023 All Models
  • YAMAHA YZ 250 2024 50th Anniversary Edition All Models
  • YAMAHA YZ 250 2024 All Models

Manufacturer part number: 01.2321.C

View all Prox. View all Parts and spares.

Contents

Your package will include the following:

  • 1 X Prox Piston Kit For Suzuki RM250 2003-2012 66.37 mm

To fit:

  • SUZUKI RM 250 2003 American Models
  • SUZUKI RM 250 2003 European Models
  • SUZUKI RM 250 2004 All Models
  • SUZUKI RM 250 2005 All Models
  • SUZUKI RM 250 2006 All Models
  • SUZUKI RM 250 2007 All Models
  • SUZUKI RM 250 2008 All Models
  • SUZUKI RM 250 2009 All Models
  • SUZUKI RM 250 2010 All Models
  • SUZUKI RM 250 2011 All Models
  • SUZUKI RM 250 2012 All Models
  • YAMAHA YZ 250 F 2001 American Models
  • YAMAHA YZ 250 F 2001 European Models
  • YAMAHA YZ 250 F 2002 American Models
  • YAMAHA YZ 250 F 2002 European Models
  • YAMAHA YZ 250 F 2004 American Models
  • YAMAHA YZ 250 F 2004 European Models
  • YAMAHA YZ 250 X 2016 American Models
  • YAMAHA YZ 250 X 2017 American Models
  • YAMAHA YZ 250 X 2018 American Models
  • YAMAHA YZ 250 X 2019 American Models
  • YAMAHA YZ 250 X 2020 American Models
  • YAMAHA YZ 250 X 2021 American Models
  • YAMAHA YZ 250 X 2022 American Models
  • YAMAHA YZ 250 X 2023 American Models
  • YAMAHA YZ 250 X 2024 American Models
  • YAMAHA YZ 250 1999 American Models
  • YAMAHA YZ 250 1999 European Models
  • YAMAHA YZ 250 2000 American Models
  • YAMAHA YZ 250 2000 European Models
  • YAMAHA YZ 250 2001 American Models
  • YAMAHA YZ 250 2001 European Models
  • YAMAHA YZ 250 2002 American Models
  • YAMAHA YZ 250 2002 European Models
  • YAMAHA YZ 250 2003 American Models
  • YAMAHA YZ 250 2003 European Models
  • YAMAHA YZ 250 2004 American Models
  • YAMAHA YZ 250 2004 European Models
  • YAMAHA YZ 250 2005 American Models
  • YAMAHA YZ 250 2005 European Models
  • YAMAHA YZ 250 2006 American Models
  • YAMAHA YZ 250 2006 European Models
  • YAMAHA YZ 250 2007 American Models
  • YAMAHA YZ 250 2007 European Models
  • YAMAHA YZ 250 2008 American Models
  • YAMAHA YZ 250 2008 European Models
  • YAMAHA YZ 250 2009 American Models
  • YAMAHA YZ 250 2009 European Models
  • YAMAHA YZ 250 2010 American Models
  • YAMAHA YZ 250 2010 European Models
  • YAMAHA YZ 250 2011 American Models
  • YAMAHA YZ 250 2011 European Models
  • YAMAHA YZ 250 2012 American Models
  • YAMAHA YZ 250 2012 European Models
  • YAMAHA YZ 250 2013 American Models
  • YAMAHA YZ 250 2013 European Models
  • YAMAHA YZ 250 2014 American Models
  • YAMAHA YZ 250 2014 European Models
  • YAMAHA YZ 250 2015 American Models
  • YAMAHA YZ 250 2015 European Models
  • YAMAHA YZ 250 2016 American Models
  • YAMAHA YZ 250 2016 European Models
  • YAMAHA YZ 250 2017 American Models
  • YAMAHA YZ 250 2017 European Models
  • YAMAHA YZ 250 2018 European Models
  • YAMAHA YZ 250 2019 All Models
  • YAMAHA YZ 250 2020 All Models
  • YAMAHA YZ 250 2021 All Models
  • YAMAHA YZ 250 2022 Monster Energy Racing Edition All Models
  • YAMAHA YZ 250 2022 All Models
  • YAMAHA YZ 250 2023 Monster Energy Racing Edition All Models
  • YAMAHA YZ 250 2023 All Models
  • YAMAHA YZ 250 2024 50th Anniversary Edition All Models
  • YAMAHA YZ 250 2024 All Models


ProX is a Dutch brand specialising in high-quality replacement parts for motorcycles, motocross, ATVs, and other powersports vehicles. Their range includes pistons, connecting rods, clutch components, bearings, and valves, all manufactured to OEM standards. ProX parts are trusted worldwide for durability, precision, and performance, making them a go-to choice for riders.

Reviews

Nitro NG-90 Leather Motorcycle GlovesNitro NG-90 Leather Motorcycle Gloves
Percentage discount icon
53% off
CLEARANCE
Nitro NG-90 Leather Motorcycle Gloves
Save £37.00
£69.99 £32.99
Quick Code: 22400
Nitro NG-90 Leather Motorcycle Gloves
Colour:
Choose an Option
Size:
Choose an Option
Save £37.00
£32.99
Stealth Fighter Orbit Open Face Motorcycle Helmet - Matt Black GoldStealth Fighter Orbit Open Face Motorcycle Helmet - Matt Black Gold
Percentage discount icon
60% off
CLEARANCE
Quick Code: 19062
Stealth Fighter Orbit Open Face Motorcycle Helmet - Matt Black Gold
Size:
Choose an Option
Save £60.00
£39.99
Bike It Neck & Face Tube Triple Pack - Urban CamoBike It Neck & Face Tube Triple Pack - Urban Camo
Percentage discount icon
35% off
PRICE DROP DEAL
Quick Code: 19052
Bike It Neck & Face Tube Triple Pack - Urban Camo
Save £3.50
£6.49
Stealth Fighter Orbit Open Face Motorcycle Helmet - Gloss Black SilverStealth Fighter Orbit Open Face Motorcycle Helmet - Gloss Black Silver
Percentage discount icon
60% off
CLEARANCE
Quick Code: 19061
Stealth Fighter Orbit Open Face Motorcycle Helmet - Gloss Black Silver
Size:
Choose an Option
Save £60.00
£39.99
Ultimateaddons Essential Motorcycle Heated GripsUltimateaddons Essential Motorcycle Heated Grips
Percentage discount icon
39% off
CLEARANCE
Quick Code: 30625
Ultimateaddons Essential Motorcycle Heated Grips
Size:
Choose an Option
Save £35.00
£54.99
Moto GP Everyday Socks (3 Pack)Moto GP Everyday Socks (3 Pack)
Percentage discount icon
40% off
CLEARANCE
Moto GP Everyday Socks (3 Pack)
Save £6.00
£14.99 £8.99
Quick Code: 10547
Moto GP Everyday Socks (3 Pack)
Save £6.00
£8.99
BikeTek Pro MX Ridge Stand Black
Percentage discount icon
33% off
CLEARANCE
BikeTek Pro MX Ridge Stand Black
Save £20.00
£59.99 £39.99
Quick Code: 19064
BikeTek Pro MX Ridge Stand Black
Save £20.00
£39.99
GP-Pro Land-Attack Short-Sleeved Kids Protector JacketGP-Pro Land-Attack Short-Sleeved Kids Protector Jacket
Percentage discount icon
38% off
CLEARANCE
Quick Code: 19053
GP-Pro Land-Attack Short-Sleeved Kids Protector Jacket
Size:
Choose an Option
Save £25.00
£39.99
Atlas Vision Anti-Compression CollarAtlas Vision Anti-Compression Collar
Percentage discount icon
79% off
CLEARANCE
Atlas Vision Anti-Compression Collar
Save £135.00
£169.99 £34.99
Quick Code: 19060
Atlas Vision Anti-Compression Collar
Size:
Choose an Option
Save £135.00
£34.99
Bike It UTG Ultimate Track Glove Leather Motorcycle GlovesBike It UTG Ultimate Track Glove Leather Motorcycle Gloves
Percentage discount icon
50% off
CLEARANCE
Quick Code: 19063
Bike It UTG Ultimate Track Glove Leather Motorcycle Gloves
Size:
Choose an Option
Save £35.00
£34.99