o'neill brothers racing


    Best spur gears to use on OBR 7.5HP engine?

    What are the best spur gears to use OBR 7.5hp motor HPI Baja hardened steel?Nylon? brands? THANKS GUYS
  2. Losi125

    Obr motor high compression

    I have an obr 34cc full mod on a losi 5t and I have been through about 6 pull starts had to change the fly wheel because the paws teeth had worn just slightly I'm getting a killer rc metal rope pullstart to see if that will hold up better.nothing is binding when I remove the spark plug flywheel...