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ThumperRacing
http://thumperracing.net/
For any PENDING orders or service questions you can still contact us at [email protected] It has been our honor and privilege to serve 1000's of customer from all over the world for 30+ years. We have made countless memories and friends and we will miss you all. Built Motors 1176 Angela Court Suite 103 Minden, NV 89423 (775) 434-9680
Big Bore Kits - ThumperRacing
https://www.thumperracing.net/index.php?route=product/category&path=37
© 2008-2022 All Rights Reserved · Thumper Racing · 775.309.4956 · Sitemap 1292 Industrial Court Unit A · Gardnerville, NV 89410 +motiv powered+motiv powered
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
Thumper Racing Kit - Abused | ATV Rider
https://www.atvrider.com/thumper-racing-kit-abused/
Since the '06 Rincon has EFI (electric fuel injection), the Thumper kit contains a Moose Racing Power Commander system that plugs into your laptop for the purpose of reprogramming the mapping and fine-tuning your fuel injection. No reason to wig out: Hazel claims this system doesn't require a rocket scientist to dial in.
Thumper Racing Big-Bore Kit - Abused | ATV Rider
https://www.atvrider.com/thumper-racing-big-bore-kit-abused/
The $339 Thumper 690 kit uses a Wiseco high-compression 102mm forged piston, which permits a very tight cylinder-to-piston clearance. This in turn provides better performance and a quieter motor. The increased compression of 11:1 means the engine now only sips 93-octane fuel, a slight sacrifice in the name of power.
450/525-570 - ThumperRacing
https://www.thumperracing.net/index.php?route=product/product&product_id=113
A KTM stroker crank can be added to any of the ktm kits which will turn the 540 kit into a 576cc motor, the 550 kit into a 588cc motor, and the 570 kit into a 600cc and for the rider that wants it all, we have a 640 fire breathing monster option (please call for specifics) The stroker crank tends to give the RFS motors a heavy feeling.
XR400R to 440 - ThumperRacing
https://www.thumperracing.net/index.php?route=product/product&product_id=69
Our Big Bore Kit takes the XR400R up to a 440. We have been testing the XR400 since its release. First, we developed the accessories to make the bike handle and work better, which means it's more fun to ride. But you, our customers, wanted MORE …
WR250R/X-280 - ThumperRacing
https://www.thumperracing.net/index.php?route=product/product&product_id=97
In the end we decided to stick with a 280 kit, the reason for this was simple: Doing a 290 kit made the piston too heavy. Keeping the kit a 280 gave us a piston weight that is 8 grams heavier than stock. If we had gone with a 290 the piston came in at 28 grams heavier which you could feel in the higher RPM's.
KTM - ThumperRacing
https://www.thumperracing.net/index.php?route=product/category&path=49_51
400-520 BGSK COPPER .010. $9.95. 400/450/520/525 RFS. $4.98. 450 102mm BB gasket kit. $50.00. KTM 350 92mm big bore gasket set. $50.00. Showing 1 to 10 of 10 (1 Pages)
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)
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