Performance Parts and Racing Parts Campbell Enterprises

CRF 250 Piston Kits Standard Bore Big Bore and High Compression CP Pistons Carrillo Rod & CRF 250R Big Bore Kits

Honda CRF250R Dirt Bike CP Pistons Logo

CP Pistons, for those that demand the ultimate in engine performance!

High performance and racing Honda CRF 250R piston kits and top end gasket kits are available here for all model years of the CRF250 R four stroke dirt bikes. Standard bore size and big bore CRF250R CP Pistons Honda dirt bike kits are all available here, as are high compression CRF250 pistons.. These forged pistons will work with oversize valves as well as high lift camshafts as they include oversize valve reliefs. They incorporate a "X" style forging for greater strength, durability and reduced weight. Along with the full radius dome designs, high performance piston rings and lightweight piston pins, these pistons offer the highest quality and are engineered for maximum power output.

CP Pistons CRF 250 R dirt bike racing pistons are used by top professional riders and teams.

CP CRF 250 R Honda Piston Image

Standard Features included with each Honda CRF250R CP Piston Kit:

Standard series pistons have a "M" in the part number

Double forced pin oilers Fully CNC Machined
Accumulator groove Pick lock removal grooves
Anti detonation grooves X-style forging
Light weight pins Balanced to + or - 1 gram

Additional Features for "Project X" Series CRF 250R Pistons

Project X Series pistons are the result of the latest in ultra high performance technology improvements from CP. Pistons listed below with "mx" preceding the part number are part of the new "Project X" piston line up.

Project X series pistons have a "MX" in the part number

Leading edge racing piston technology Fully boxed style forging for ultimate strength, durability and power
Coated Piston Skirts Internal windows allow additional oil to flow to pin
New piston skirt designs maximize power and reduce piston rocking Wrist pins treated with proprietary coating to eliminate pin galling

 

Get HOLESHOT WINNING POWER with CP Pistons!

 

Honda CRF 250R CP Piston Kit and CRF250R Big Bore Piston Kits

  • Piston/Gasket Kit Set includes: 1 Piston, 1 Piston Pin, Piston Rings, Pin Lock rings, 1 Top End Gasket Kit
  • Piston Kit includes: 1 Piston, 1Piston Pin, 1 set Piston Rings, Pin Lock rings for 1 cylinder
  • Gasket Kit Includes: Cometic high performance top end gaskets required to replace piston in 1 cylinder

 

2004 - 2008 Honda CRF 250R CP Piston Kits and CRF250R Big Bore Kits

Standard Stock Bore size is 78mm (3.071") Stock Stroke is 52.2mm (2.055")

Bore Size Disp. Comp Installation
Notes

Honda CRF 250 piston and top end gasket kit

Piston/Gasket Kit

Honda crf250r piston kit

Piston Kit

Honda CRF 250 R top end gasket kit

Gasket Kit
78mm std. 250 cc 13.0-1 deglaze cylinder cpk2042c

Add To Cart
cp m2042c

Add To Cart
cp c7185
$43.65 $39.29

Add To Cart
78mm std. 250 cc 13.5-1 deglaze cylinder cpk2000c

Add To Cart
cp m2000c

Add To Cart
cp c7185
$43.65 $39.29

Add To Cart
78mm std. 250 cc 13.5-1 deglaze cylinder cpkx2000c

Add To Cart
cp mx2000c

Add To Cart
cp c7185
$43.65 $39.29

Add To Cart
79mm +1mm oversize big bore 256cc 13.5-1 bore and replate cpkx2061c

Add To Cart
cp mx2061c

Add To Cart
cp c7189
$45.39 $40.85

Add To Cart
79mm +1mm oversize big bore 256cc

14.25-1

bore and replate cpkx2062c

Add To Cart
cp mx2062c

Add To Cart
cp c7189
$45.39 $40.85

Add To Cart
80mm +2mm oversize big bore 262cc 13.5-1 requires sleeve or cylinder cpkx2050C

Add To Cart
cp mx2050C

Add To Cart
cp c7189
$45.39 $40.85

Add To Cart
81mm +3mm oversize big bore 269cc 13.5-1 requires sleeve or cylinder cpkx2051C

Add To Cart
cp mx2051C

Add To Cart
cp c7189
$45.39 $40.85

Add To Cart

2009 Honda CRF 250R CP Piston Kits and CRF250R Big Bore Kits

Stock Bore size is 78mm (3.071") Stock Stroke is 52.2mm (2.055")

78mm std. 250 cc 13.5-1 deglaze cylinder cpk2060c

Add To Cart
cp m2060c

Add To Cart
cp c7185
$43.65 $39.29

Add To Cart
78mm std. 250 cc 13.5-1 deglaze cylinder cpkx2060c

Add To Cart
cp mx2060c

Add To Cart
cp c7185
$43.65 $39.29

Add To Cart
79mm +1mm oversize big bore 256cc 13.5-1 bore and replate cpk2064c

Add To Cart
cp m2064c

Add To Cart
cp c7189
$45.39 $40.85

Add To Cart
79mm +1mm oversize big bore 256cc 14-1 bore and replate cpkx2067c

Add To Cart
cp mx2067c

Add To Cart
cp c7189
$45.39 $40.85

Add To Cart

2010 - 2013 Honda CRF 250R CP Piston Kits and CRF250R Big Bore Kits

Stock Bore size is 76.8mm (3.023") Stock Stroke is 53.8mm (2.118")

76.8mm std. 249 cc 13.5-1 deglaze cylinder cpk2070c

Add To Cart
cp m2070c

Add To Cart
cp c3288
$49.95 $44.96

Add To Cart
76.8mm std. 249 cc 13.5-1 deglaze cylinder cpkx2070c

Add To Cart
cp mx2070c

Add To Cart
cp c3288
$49.95 $44.96

Add To Cart
79mm +2.2mm oversize big bore 264 cc 13.5-1 bore and replate cpkx2073c

Add To Cart
cp mx2073c

Add To Cart
cp c3289
$49.95 $44.96

Add To Cart
2014 CRF250R
Contact us            

Full Race Series CRF 250R RACING Pistons

Full race series pistons are custom forged pistons but available off the shelf. These are single ring, high compression, lightweight pistons which feature a highly efficient dome design that maximizes squish without compromising performance. Lateral gas ports are added to maximize ring seal while a skirt coating is included to improve power and provide additional lubrication, minimizing friction in extreme competition conditions.

The full race pistons come complete with high performance rings, lightweight pins and locks.

2004 - 2008 CRF250 R PISTON FULL RACE Trenched Pistons

Stock Bore size is 78mm (3.071") Stock Stroke is 52.2mm (2.055")

78mm std. 250 cc 14.0-1 deglaze cylinder cpkx2100c

Add To Cart
cp mx2100c

Add To Cart
cp c7185
$43.65 $39.29

Add To Cart
The part number listed below includes bump pockets to boost compression further but these can be used ONLY with stock, or stock type concave valves.
They can NOT be used with flat faced valves.
78mm std. 250 cc 14.5-1 deglaze cylinder cpkx2108c

Add To Cart
cp mx2108c

Add To Cart
cp c7185
$43.65 $39.29

Add To Cart

2009 CRF250 R PISTON FULL RACE Trenched Pistons

Stock Bore size is 78mm (3.071") Stock Stroke is 52.2mm (2.055")

78mm std. 250 cc 14.0-1 deglaze cylinder cpkx2066c

Add To Cart
cp mx2066c

Add To Cart
cp c7185
$43.65 $39.29

Add To Cart
The part number listed below includes bump pockets to boost compression further but these can be used ONLY with stock, or stock type concave valves.
They can NOT be used with flat faced valves.
78mm std. 250 cc 14.5-1 deglaze cylinder cpkx2065c

Add To Cart
cp mx2065c

Add To Cart
cp c7185
$43.65 $39.29

Add To Cart

2010 - 2013 CRF250 R PISTON FULL RACE Trenched Pistons

Stock Bore size is 76.8mm (3.023") Stock Stroke is 53.8mm (2.118")

76.8mm std. 249 cc 14-1 deglaze cylinder cpkx2071c

Add To Cart
cp mx2071c

Add To Cart
cp c3288
$49.95 $44.96

Add To Cart
The part number listed below includes bump pockets to boost compression further but these can be used ONLY with stock, or stock type concave valves. They can NOT be used with flat faced valves.
76.8mm std. 249 cc 14.5-1 deglaze cylinder cpkx2072c

Add To Cart
cp mx2072c

Add To Cart
cp c3288
$49.95 $44.96

Add To Cart

2014 CRF250R PISTON FULL RACE Trenched

Stock Bore size is 76.8mm (3.023") Stock Stroke is 53.8mm (2.118")

76.8mm std. 249 cc 14-1 deglaze cylinder cpkx2171c

Add To Cart
cp mx2171c

Add To Cart
cp c3288
$49.95 $44.96

Add To Cart
The part number listed below includes bump pockets to boost compression further but these can be used ONLY with stock, or stock type concave valves. They can NOT be used with flat faced valves.
76.8mm std. 249 cc 14.5-1 deglaze cylinder cpkx2172c

Add To Cart
cp mx2172c

Add To Cart
cp c3288
$49.95 $44.96

Add To Cart

 

Project X Platinum Racing Piston, Rod, Gasket Kits for Honda CRF 250R

Developed and proven in the 2009 AMA outdoor motocross season, these championship winning kits have once again changed the game. Project X Platinum Kits feature the same top of the line products that top professionals rely on. The redesigned piston and rod combo gives your engine a lightweight assembly that is engineered to give you more power and durability. Revolutionary to the industry, these types of assemblies were once only available as custom pieces at custom prices. Now, off the shelf and available, these kits are just the thing you need to transform your bike into a racing machine without breaking the bank.

  • Platinum Kit includes: Full Race Piston, Piston Pin, Piston Rings, Pin Lock rings, Carrillo Rod and Gasket Kit
  • Piston Kit includes: Full Race Piston, Piston Pin, Piston Rings, Pin Lock rings for 1 cylinder
  • Gasket Kit Includes: Cometic high performance top end gaskets required to replace piston and rod in 1 cylinder

 

2004 - 2008 Honda CRF250R Project X Platinum Kit

Stock Bore size is 78mm (3.071") Stock Stroke is 52.2mm (2.055")

Bore Size Disp. Comp Installation
Notes

2010 kawasaki kx250f piston, 2010 kx250f rod and top end gasket kit

Platinum Kit

Honda crf250r piston kit

Piston Kit

Honda CRF 250 R top end gasket kit

Gasket Kit
78mm std. 250 cc 14.5-1 deglaze cylinder, 1mm Smaller Pin/ 2mm Longer Rod Lightweight cp kx2p08c

Add To Cart
cp mx2p08c

Add To Cart
cp c7185est
$69.95 $62.96

Add To Cart

2009 Honda CRF 250R Project X Platinum Kit

Stock Bore size is 78mm (3.071") Stock Stroke is 52.2mm (2.055")

78mm std. 250 cc 14.0-1 deglaze cylinder, 1mm Smaller Pin/ 2mm Longer Rod Lightweight cp kx2p66c

Add To Cart
cp mx2p66c

Add To Cart
cp c7185est
$69.95 $62.96

Add To Cart

2010 - 2013 Honda CRF 250R Project X Platinum Kit

Stock Bore size is 78mm (3.071") Stock Stroke is 52.2mm (2.055")

76.8mm std. 250 cc 14.0-1 deglaze cylinder, 1mm Smaller Pin/ 2mm Longer Rod Lightweight cp kx2p71c

Add To Cart
cp mx2p71c

Add To Cart
cp c3288est
$49.95 $44.96

Add To Cart

 

Carrillo Honda CRF 250R Connecting Rod CRF250R Rod

Honda CRF 250 Carrillo Connecting Rod Carrillo CRF250R connecting rod image

Premium Carrillo CRF 250R connecting rod provides superior strength for extreme high performance and racing CRF250R engines. Designed with legendary Carrillo quality to give you an extremely strong and dependable replacement connecting rod at a reasonable price. Can be used as a stock replacement connecting rod as well as for high performance and racing engines, including big bore engines.

2004 - 2013 CRF 250R Connecting Rod

HO-25CA<-03543N

$272.85 $253.75

Add To Cart

 

Replacement Special Carrillo CRF250R Rod for CP Pistons Platinum Kit

The CRF 250R connecting rod listed in this row are for use ONLY with the matching CP Platinum series pistons. This rod is 2mm longer than the stock rod and uses a 1mm smaller diameter wrist pin which is why it must be used with the matching Platinum series CP Piston.

2004 - 2013 CRF250R Platinum Kit Rod

HO-2515CA<-03622N

$374.50 $348.29

Add To Cart

 

 

Cylinder Works CRF 250R Big Bore Kits

CRF 250R Big Bore Kit

Cylinder Works CRF250R Big Bore Kit features and included parts:

  • New cylinder, honed to size for easy piston installation
  • Piston kit
  • Gasket kit
  • Virtually Identical in appearance to stock
  • Just purchase and install no machine work required on engine for 1mm oversize kits.
  • The 3mm oversize kit DOES require a modification to the case to install the big bore cylinder. The modification is necessary to maintain a minimum thickness on the cylinder spigot. The cases must be completely disassembled and then bolted back together after modification.

 

Bore Size
Disp.
Model
Years

crf250r big bore kit

Complete CRF250 Big Bore Kit

Cylinder Works replacement piston

Replacement CRF 250 Big Bore Piston

replacement gasket kit

CRF250R Big Bore Top End Gasket Kit

replacement piston rings

Big Bore CRF250R Piston Ring Set

79mm +1mm oversize big bore 256cc 2004-09 cw 12001-k01
$0.00
Contact us for availability!
cw 12001-p01
$0.00
Contact us for availability!
cw 12001-g01
$0.00
Contact us for availability!
cw 12001-r01
$0.00
Contact us for availability!
81mm +3mm oversize big bore 269cc 2004-09 cw 11001-k01
$0.00
Contact us for availability!
cw 11001-p01
$0.00
Contact us for availability!
cw 11001-g01
$0.00
Contact us for availability!
cw 11001-r01
$0.00
Contact us for availability!

Back to Top of CRF 250R Pistons Page

The pistons and gaskets listed on this page fit the following model year CRF250 R Dirt bike engines:

2004 2005 2006 2007 2008 2009 2010 2011 2012 Honda CRF250R Piston Kit

 

 

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