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    Mariner 100el missing spark

    1988 Mariner 100el missing spark in 3 of 4 cylinders. What’s the best way to check the coil packs and or what else could possibly be wrong?
  2. B

    Mariner jet motor

    I have a 1987 Mariner 100hp jet motor and when I run it it gets up to 3800 rpm’s but doesn’t move any faster than 5mph or so, what could be a possible fix for this? It used to run almost 30mph at 3800 rpm’s and I took it to a local mechanic when it was having fuel issues and he’s replaced fuel...
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