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  1. K

    ns40c nissan

    older model Nissan NS40C late 80's I think runs good to about 1/2 throttle,after that it kind of moans doesn't go any faster any suggestions?
  2. K

    prop recommendation

    Bought a 24ft sylvan pontoon that has a small 40hp Nissan NS40C outboard.motor runs good but slow it has a quicksilver prop #48 76233 a5 15p prop,Is this the size I need or do I need something different?
  3. K

    Mercury 650 Thunderbolt 4 cylinder

    I recently bought a 142 Predator Bass boat with a 650 Thunderbolt outboard.It needed cables and hasn't been run since last year.Got the cables on added new fuel and a can can seafoam in a mixture of 50:1,carry it to the lake starts seams to run good open it up and about 5 to 8 mph falls flat on...
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