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    Timing advice

    Hi, I embarked on a 90 to 140ish conversion with a 1987 88 and 1976 135. What I've done so far: -swapped heads -cut webbing at bottom of block for exhaust -installed exhaust filler plates and bubble back -swapped in the 1 5/16 carbs which I fitted ports to keep solenoid choke, removed the...
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    Engine compatibility

    Hi all, Found this forum recently and seen a wealth of knowledge. Not new to boating but have little knowledge in the outboard sector. Picked up a boat with an 1987 Johnson 88 spl paired to a 1986? Hydrasports veestar 90. Runs like a top, GPS said 40mph at a touch over 6000rpm with 13x19p...
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