shift

  1. RocketJ

    I want to install a suicide clutch on my 79cc predator build

    I love the 1910 era of bikes. Board track racers are my favorite and I plan on revamping my existing BTR build to a more authentic style with a 79cc predator engine and proper clutch system. In addition to the engine swap, I want to try my hand at installing a suicide shift (pulley clutch). As...
  2. P

    Engine Trouble Won't rev high enough?

    so a few weeks ago I put together my build from some years ago. Many thanks to SBP, specifically Jim for all his help. He personally emailed me with answers to all my dumb questions. Now I think I have some engine problems. My mixture is 40:1. My idle is what I consider perfect. My plug is a...

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