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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. I'm getting a free bike! But need engine help.

    Engine / Exhaust / Cooling
    My dad has been riding bikes for a long time now. And out of the blue, my mom decided that she wanted to start riding. She started on a crappy little scooter to learn and then bought a 2002 Vulcan 750. But it turns out that a previous owner tried to bore out the cylinders. It rode, but it...
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