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  1. M

    problems with 650thunderbolt help!

    I have an old merc. on a 15 foot tri hull and I have to use the warm up lever for my throttle and the shift lever to advance the dist Idont believe it should be this way my other boat wasnt not sure if its the motor or the controls I would think a 65 horse should push this boat faster than 26...
  2. M

    low speed on mercury 65 hp

    I have a 650 tunderbolt outboard on a15 foot trihull I can only get 26mph at top speed I have to use the warm up lever for my throttle and use ny gear shift to bring up the advance on the dist just got this boat and motor and Im not sure this is the correct way to run the controls or is there...
  3. M

    low top speed 650 thunderbolt

    does any one have any idea what top speed would be with a 65 horse merc on a 15 foot tri hull should be Im running about 26 at 4200 rpms just put a whales tail on it to stabilize the nose havent had the carbs adjusted in two years dont use this boat much
  4. M

    89 force outboard

    have an 89 force 85 h/p outboard with 30 lbs compresson in the 3rd cyl 95 in #1 and 90 in #2 not sureif its abad se of rings or blown head gasket any ideas thanks max
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