17 crf 230
  • Sehguh
    Posts: 1
    Joined: Tue Mar 05, 2019 6:15 am

    17 crf 230

    by Sehguh » Tue Mar 05, 2019 6:43 am

    New member here,super excited haven't had a dirt bike in years,just found this site,I have been reading posts about uncorking,jetting,kind of scary reading how lean stock jetting is,my bike has unaltered air box and exhaust and stock jetting.For now I just want to ride it,it starts and runs great,I live near sea level,my question is how long can I ride it or will riding it with factory jetting bad for motor. Thanks
  • Back2-2
    Posts: 1148
    Joined: Tue Jan 04, 2011 3:31 pm

    Re: 17 crf 230

    by Back2-2 » Tue Mar 05, 2019 7:02 pm

    Rejet ASAP. Not only will the bike perform like it's a different machine but it will run cooler and have less wear on the top end components.
    Neil
    Black Hills of SD
    Life without Motorcycles would just be boring, really boring
    Honda 450X. Yamaha Tracer GT900. HD Fat Boy. Triumph Bonneville. Yamaha Majesty 400. Yamaha Grizzly. Yamaha Wolverine. Yamaha TW200
  • Aussiecrf230
    Posts: 1962
    Joined: Fri Jan 06, 2006 11:11 pm

    Re: 17 crf 230

    by Aussiecrf230 » Tue Mar 05, 2019 8:57 pm

    Honda run them lean for emission reasons and restrict flow in and out of the motor so the smaller jets work. It will run better once done. I leave the rubber that the snorkel pushes into to leave a rounded path for the air and more free board at creek crossings.
    Rick Ramsey’s site has good photos on how to change things out. Just google his name and crf230.
    The 2003-2005 model needle with a 120 main would probably be your best bet. Definitely start with 45 idle jet. Some motors like a 48. The CRFs Only fuel screw is a must as well.
    Ray
    Australia

    CRF230F 2004
    C30F Power Up needle
    Mains 132
    Idle 45
    2 turns out
    Baffle out, Screens In

    It starts,it runs,it gets to where all CRFs can get to without the valve or valve plate dramas

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