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Your cart is empty. The Best TT-R Engine Kit on the Market; Engineered for Serious Horsepower.
- Requires No Exchange
- Cylinder Is Custom Made and Features the BBR Logo
- Increased Displacement
- High Performance MX Camshaft
- BBR Aluminum Cylinder With Steel Liner
- 58mm Piston, Ring Set, Piston Pin & Clips
- Gasket Kit
- Fits Stock 54mm Bore, 54mm Stroke Engines
Justin
Reviewed in the United States on March 22, 2024
This product is amazing quality! Definitely buy this if you are looking to redo the top end of your bike.
Tiffany Geist
Reviewed in the United States on August 10, 2022
Stock head and piston sent for Yamaha 125, with no directions.
DShaffer
Reviewed in the United States on July 26, 2022
I have seen some unboxing videos for bbr kits for the ttr125 nothing on the boxes say bbr no instructions that I have seen with other kits for bbr big bore kit.... seems to be fake... if I wanted a knock off I could of spent 1/2 the money
Dserene1
Reviewed in the United States on March 24, 2021
Great kit! Don’t buy the cheap one. BBR is the way to go. Not a massive difference but more useful power all the way through
Thomas
Reviewed in the United States on October 29, 2020
Anyone looking to do a top end or get a little more power out of your ttr this is a great kit. Great instructions too. Definitely wouldn’t suggest someone with little to no experience but if your mechanically inclined this is a breeze. Only have about 30 min on it so I’ll report back if anything comes up.
s Taylor
Reviewed in the United States on April 21, 2020
Fits my 2006 TTR LE 125 and the instructions were good and I watched some YouTube videos. now this bike has some low end power
Cobra427Man
Reviewed in the United States on January 24, 2019
Excellent quality product and good kit to upgrade a tired ttr125. ours had low compression and it was blowing smoke before installing the kit. The installation went well. The only things I would improve on is adding a gasket for the chain tensioner and adding some more details to the instructions. we had a bit of a delay verifying that we had the new piston was pointing in the right direction. Also supplying the recommended carburetor jets would be a plus too.
Customer
Reviewed in the United States on January 5, 2017
It's amazing my bike is super fast and got beautiful Power. Best thing that I ever did
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