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  1. Overbore and Compression Ratio

    Engine / Exhaust / Cooling
    So I was thinking about rebuilding my engine next year. I have a few things i want to do a few things while i have it all apart. Two things i really want to do is to have it bored out a bit, and i want to raise the compression ratio to somewhere around 11.5:1. i have a few other things i'm gonna...
  2. Compression test nob question

    Engine / Exhaust / Cooling
    I searched everywhere for directions on compression testing our bikes and even just normal vehicle testing. Is there a post in here someplace with directions? I don't get what you do in our case of two spark plug holes. Do we leave on of the plugs in unhooked? Do we just pull the wires and...
  3. Zero Compression

    Engine / Exhaust / Cooling
    Hey there, So currently I am not getting any compression in the front cylinder and am looking for some advice on what I should be thinking about doing to do a repair. The history of the bike is this: -I bought it last winter and it had an oil leak coming from the front cylinder. -I replaced...