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  1. R

    BW80

    After doing quite a bit of ripping around with the bike this weekend I think I got it figured out now. Runs great! Quick little bike, could use one more gear.  Think I have to find a new back tire for it before I hand it off to my little cousins to have fun with. Gets a little squirrely on wet...
  2. R

    BW80

    Ok, looks good on the low end. Mid looked lean so I moved the clip down one notch. Then it seamed like it wouldn't get past the mid range and really smoked. I opened the air needle a quarter turn. Now it seams to hit the mid range good and be able to get to the high. Little hesitation once in a...
  3. R

    BW80

    I would rather not disconnect the oil. I just want to get it set up right so I don't have to keep mixing fuel. Would opening the air screw richen it up or does tightening it down. Any idea of what it is supposed to be at?
  4. R

    BW80

    Can someone help me? I have a 87 Yamaha Big Wheel BW80. I just put a new top end in it and cleaned the carb. I reset the carb to what it was before ¾ turn one the air needle and 4 turns on the throttle needle. It runs great and idles great but according to the spark plug it is running lean and...
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