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PISTONS | GASKETS | BEARINGS

Dirt Bike Engine Parts

Check out our great selection of dirt bike pistons, gaskets, and bearings here at BTO Sports. We have everything you need to rebuild your top or bottom end so if you need any assistance find the right parts and accessories don’t hesitate to contact us and we will be happy to hook you up!

“Pistons,

Dirt Bike Gasket Kits Gasket kits

If you are looking for gasket kits for a top or bottom end, we have you covered. Athena is a top name brand within the motocross industry and top factory teams rely on their parts and accessories to get their factory race bikes ready to race on the weekends. The Athena top end gasket kits come with everything you need to redo all your internal gaskets for the top end; they make these gasket kits for Honda, Kawasaki, Suzuki, Yamaha, and KTM! The pricing on these kits vary from bike to bike. We even carry the big bore top end gasket kit for Yamaha dirt bikes that Athena makes so make sure you check out all of our products to make sure you get exactly what you are looking for!

Dirt Bike Piston Kits

We have new pistons from Pro Circuit, Moose and JE Pistons to help get your rebuild process moving forward, and get you or your rider back on the bike in no time. The JE Pistons piston kit comes with high quality pistons that are 2618 T6 high tensile forged aluminum pistons. They are Dome/dish pistons that feature smooth flowing radii that require no deburring or preparation. Simply install the pistons, break them in for the duration of the recommended break in period, and start ripping up the track or desert trails. These JE Pistons are designed specifically for extreme applicants and are used by some of the top Motocross and Supercross teams around the world. This piston kit includes pins, pin fitment lock and rings. You can get the pro series piston kit with feature a weight reduction and dedicated forgings which give it an advantage over its competition.


The Moose racing piston kits are constructed from gracity cast aluminum with 18% silicon to increase the resistance of wear and tear and thermal distortion which ultimately increases the longevity of the pistons. Along with that these pistons have an easy break-in periof as they have coated skirts which decrease wear and aid in lubrication. The piston rings are either nitride or chrome plated to help increase the hardness of the engine components and provide you with a reliable dirt bike piston kit.

Piston and Bearing kits

If you want to take bike performance even further, check out the Pro Circuit high compression piston here at BTO Sports. This modification will increase low end torque, and top end power to give you an extra boost of the line. You will be able to have an increase in performance by adding this part onto your dirt bike and as a result gain an edge over your fellow racers. Check it out today and start destroying the competition with the Pro Circuit high compression piston.


Lastly, we have the transmission bearing kits, counter balancer bearing kits, and the entire Piston/Gasket/bearing kits all available for purchase as well. The bearing kits, both tranny and counter balancer, are made by Hot Rods and have top of the line manufacturing to ensure you are receiving a high quality dirt bike part. These bearing kits are must haves for any new transmission or engine case installation or repair. The full piston, gaskets and bearing kit is made by Wiseco and includes everything you will need to fully complete rebuilding your top end. You must select the gaskets and top end bearings in the drop down menu and make sure you select the right one for your specific dirt bike. If you need any assistance feel free to give us a call or shoot us an email and we will be happy to help you out! Thank you for choosing BTOsports.com!