an MSD will not allow you to Advance the ignition timing B/C it receives the trigger from the stock ECU and it can retard the timing by ignoring the trigger for a split second, but cannot add advance b/c it does not have accomidation for a crank/valve positions, thus does not know when the valves are open/closed.
I have not seen a cam sprockets for any quad, but manta may make them (i haven't really looked).
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I'm on a boat.....
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