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  1. ExUSCG-QM

    Alpha1 - Will not shift into Forward or Reverse

    I have a 18'-4" 1987 Imperial with a 3.0L GM and Alpha1 drive. I've had the boat for three years and don't know any of the service history on it. Last season she began stalling when going into reverse. Through reading the posts I figured it was time to replace the lower shift cable. With my...
  2. ExUSCG-QM

    Ignition problems - 1987 3.0L Mercruiser

    I've been reading threads for days trying to figure this one out, so if you know of one, please point me in the right direction. I have a 1987 Imperial 18'4" with 3.0L GM (#B486968) and Alpha 1. It's in fair condition for it's age and I've had it for two years with no problems. Now I have an...
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