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CP Pistons Honda TRX300EX ATV 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 TRX300EX four stroke ATV's. Standard bore size and big bore TRX300EX CP Pistons Honda ATV's kits are all available here. 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:

Each of the below kits include:
Piston
Piston Pin
Piston Rings
Pin Locks

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.

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

1992 - 2008 Honda TRX300EX CP Piston Kit Stock Bore size is 74mm (2.913") Stock Stroke is 65.5mm (2.579")
Part #	Bore Size	Cubic Centimeters	Compression	Top End Gasket Kit #	Installation Notes
cp m2039	74mm std.	282 cc	11.5-1	cp c7143est	deglaze cylinder
cp m2040	75mm +1mm oversize	289 cc	11.5-1	cp c7143est	bore and hone
cp m2041	76mm +2mm oversize	297cc	11.5-1	cp c7522	bore and hone

 

 

Great Deals on other Motocross Parts and Accessories

We hope you will choose to purchase your CP Pistons, Wiseco, Hot Cams and CV4 products from us here at Campbell Enterprises. For the many other parts you need for your dirt bike or quad we recommend the following companies. We hope you find them helpful and that they save you some cash. We figure the more they save you, the more you have to come back and visit us with

For OEM (Original Equipment Manufacturer) parts we recommend BikeBandit for OEM parts & online schematics . They have a huge selection of aftermarket parts also.

For riding gear, apparel and accessories Cycle Gear is a good choice.

In addition to those two we also shop at Motorcycle Superstore and MotoSport.com. If you have the time it is a good idea to check with each of them to compare prices. They all often run special sales, offer free shipping, etc. so you can often save a bit more by checking them all out before making a purchase.

More Fun Stuff and Money Saving Deals

Once in a while we all need (or are forced due to injury) to do something other than play in the dirt. For those times Bass Pro Shops is a favorite for many of us outdoor types.

On those long trips everyone enjoys good music or a movie and the iTunes Store is a frequent stop.

For those of you that drive an RV to the races or riding area, The Good Sam Club offers Emergency Road Service, and many other helpful plans to take some of the worry out of those long road trips and save you some serious money. They also have a great Extended Service Plan and they want to pay your RV repair bills.

And for the golfers out there, The Golf Card offers great discounts for green fees, Pro Shop item purchases and more at over 3000 courses nationwide. If you enjoy getting in a few rounds while you are traveling, then this program can really save you a lot of money every year. Get Golf Card today and receive a free 1-year subscription to Golf Magazine!

 

Motocross Dirt Bike and ATV DVD Videos

Motocross Quad ATV and Dirt Bike Books

 

 

 

Great New Motocross Training Program Takes your Motocross Training to a Whole New Level

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. I found it very useful and I hope it may help you also. Click here to read more about this fantastic training aid!

 

 

The piston and gaskets listed on this page fit the following model year TRX300EX quads:

1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 TRX300EX Honda ATV

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