Custom Search

CP Pistons Honda CRF150R Dirt bike Piston Kits Standard Bore, Big Bore and High Compression

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

High performance and racing Honda piston kits are available from CP Pistons for all model years of the CR150R four stroke dirt bikes. Standard bore size and big bore CRF150R CP Pistons Honda dirt bike kits are all available here as well as high compression 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 racing pistons are used by top professional riders and teams including:

Cometic top end gasket sets are available separately, but are not included with the piston kit. The matching top end gasket kit for each application is listed in the table below, when available, along with the individual piston kit info.

Each of the below kits include:

• Piston
• Piston Pin
• Piston Rings
• Pin Retention Locks

Click on the part number in the table below for pricing or to order the piston and, or head gasket of your choice.

2007 - 2009 Honda CR150R CP Piston Kit Stock Bore size is 66mm (2.598") Stock Stroke is 43.7mm (1.720")
Part #	Bore Size	Disp.	Comp	Top End Gasket Kit #	Installation Notes
cp m2043c	66mm std.	149cc	13-1	cp c3187est	1) deglaze cylinder 2) designed for use with stock type concave valves only do NOT install with flat valves
cp m2044c	66mm std.	149cc	13-1	cp c3187est	1) deglaze cylinder 2) designed for use with flat face valves, can be used with stock concave valves but compression will be slightly lower than 13-1 when using concave valves
cp m2056c	68mm +2mm oversize	158cc	13-1	cp c3171est	1) bore and replate 2) designed for use with flat face valves, can be used with stock concave valves but compression will be slightly lower than 13-1 when using concave valves

 

All Ages Use This Motocross Training Program and Gain More From the Time You Spend Training
	There is a great new training aid now available which promises great improvements in your motocross training results. If you are tired of poor results, slowing down toward the end of your motos, getting passed due to getting tired late in the motos, or running out of gas before your bike does, then this program may be great for you. Click here to read more about this fantastic training aid!

 

 

The piston and gaskets listed on this page fit the following model year CRF150R Dirt Bikes:

2007 2008 2009 Honda CRF 150R Piston Kit