Dirt Bike project motorcycles modified with aftermarket parts & accessories. MX & Eduro bikes: Yamaha, Honda, KTM, Kawasaki, Suz - Dirtbike at Off-Road.com
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Dirt Bike projects Honda CRF230F, CRF150, CRF450, Kawasaki KLX110, KTM525EXC, Yamaha TTR230, WR450F. Multi-stage bike builds with modifications to suspension, forks, wheels, tires, engine, carburetor, seat, lights, gas tank, frame, pegs, gears, sprocket, chain, exhaust pipe, header pipe, spark arrestor.
  • Project Kawasaki KLX 110 Pitbike: Oil Cooler



    Increasing the KLXs engine size from 110 to 150ccs brought about a huge increase in power. Unfortunately along with more power comes more heat. At $385 the Moto HP oil cooler kit may not be the cheapest kit on the market but it is a quality product that has been specifically designed for our bike.

    Project Yamaha TTR 230 Dirtbike More Questions




    I just recently purchased an 07 ttr 230. it has really low miles and runs perfect except sometimes it just starts reving really high then dies. I think i need to reset the floats in the carb. Is this common with these bikes? Do you have any other advice of what I should do?

    Project Honda 230F More Questions Answered




    Readers try their own hands removing air restrictions, powering 'em up, and smoothing out the ride. Others are new to the project series and just getting started with questions.

    Project Dirtbike CRF 230F




    When Honda released their new "L" version of the CRF230F, people wondered how the street bike differed from the off-road version. Of course, there's no one better to check into it than Rick Sieman...

    Honda Dirtbike Project, CRF 230F




    Rick clears up reader questions on jetting their dirtbikes, removing the exhaust baffle and steering mods for racing, among others.

    Project Yamaha TTR 230 Tech Q & A




    Rick Sieman answers your deepest questions about chain guides, gearing and lights for the Project Yamaha.

    Project Honda CRF 230F - Tech Questions Answered



    Confusion about which jet fits your Honda dirt bike, how to install the new forks and needle seat replacement are all cleared up by Rick Sieman in this Q & A session.

    Project TTR 230 - Getting the Forks Dialed In




    We noticed that the shift-side fork seal was leaking a bit. This was puzzling, as the fork tubes on both legs were perfect, with no scratches, pitting or rough spots.

    Project Honda CRF230F Q and A




    Get answers about fork replacements, re-jetting, and why you should not drop your kids on their heads.

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