Thumper Racing Big Bore Kits

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Big Bore Kits - ThumperRacing

https://www.thumperracing.net/index.php?route=product/category&path=37

ThumperRacing

http://thumperracing.net/

Thumper's last day open is February 19, 2021. Our longtime lead mechanic and machinist, Kevin Fox, is opening his own company, Built Motors. His planned opening date is March 8, 2021. Built Motors will support Thumper Racing big bore kits with pistons, gaskets and cylinder work for refreshes. We are confident you can trust Kevin with all of your engine building and machining …

XR400R to 440 - ThumperRacing

https://www.thumperracing.net/index.php?route=product/product&product_id=69

Option 1: We send you the parts, YOU have sleeve installed in cylinder - Price: $396. Option 2: You send us the topend to install the kit- Price: $546. Option 3: You send us the motor to install the kit- Price: $801. Prices do not include shipping.

Big Bore Thumpers

http://www.bigborethumpers.com/index.html

Blocks/Big Bore Kits APE Athena Cylinder Works: Cams: Cam chain: ... Desert Racing Series blog by Team APE rider Megan Oblonsky: Team APE - our racer's support program. ... Become a Big Bore Thumpers Dealer: Become a Big Bore Thumpers sponsored racer: Team APE: International shipping: Free Big Bore Thumpers decals: Contact information:

450/525-540 - ThumperRacing

https://www.thumperracing.net/index.php?route=product/product&product_id=58

This kit will fit the KTM450 EXC/MXC and all KTM 520/525 motors, 450/525XC quad, Polaris Outlaw RFS based motor and Beta RFS based motors. Option 1: You send us your cylinder and we send you back the kit ready to install. $625.00. Option 2: Core Exchange: We send you a core cylinder with the kit already installed and ready to bolt on your motor. $625 for kit plus $300 …

Thumper Racing Big-Bore Kit - Abused | ATV Rider

https://www.atvrider.com/thumper-racing-big-bore-kit-abused/

5 rows

500/501 - 590 KIT - ThumperRacing

https://www.thumperracing.net/index.php?route=product/product&product_id=378

Basic kit includes: 102mm Piston kit, Top End Gasket set, Custom Aluminum Big Bore Sleeve installed in YOUR cylinder, Nikasil plated and diamond hone to exact clearances, Jetting Kit if required. For bikes with fuel injection, ECU must be sent into Thumper Racing for reflash to big bore kit. Reflash is $65 extra when purchasing kit.

Thumper Racing | Raze Motorsports, Inc.

https://www.razemotorsports.com/dealers/thumper-racing

Thumper Racing, the experts at Powersports Big Bore Kits. Stocking dealers of our 490 & 520 Wingman Kits. Check out team Snowbike World and Brock Buttars Instagram for some footage of the Wingman Thumper Racing Big Bores in action. We also have Ninja Backup and King Kong Kits available as well for the guys that want their bikes in Kill Mode at all times.

Motorcycles - ThumperRacing

https://thumperracing.net/index.php?route=product/category&path=37_39_284

530 EXC/XCW. Showing 1 to 3 of 3 (1 Pages) 13'+ 290 BASE GASKET. $13.00. 13'+ 290 HEAD GASKET. $17.50. 13+ 290 CLIP SET. $6.00. Showing 1 to 3 of 3 (1 Pages)

KLX300-330 BBK - ThumperRacing

https://www.thumperracing.net/index.php?route=product/product&product_id=112

Price: $395.00. The KLX300 has the same frame and suspension that made the 250 such a good bike the main changes were in the motor. When KAWASKI changed from the 250 to the 300 they also changed the cylinder and made it possible for us to install a sleeve to boost the displacement to 330cc. We tested the KLX330 and found the added CC's gave the ...

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