:mad: ok 17ft. sport craft cc w/ 1989 merc 70.only 2950 rpm @ wot 27 mph on gps.usually 4 people on board. no markings on prop 3 BLADE CHEAP ALUM. I want rpms to run around 5000 when i need it to . It already sucks @ hole shot about 6 TO 7 seconds to get on plain.how do i know how much to...
:eek:i have a 89 mercury 70 hp it starts and runs good but i'm loseing rpm's. last week after fixing the rpm gauge i was only getting 3200@ 22 mph,the boat usually does 30 mph acording to gps.in to the shop it goes ,he said only fireing on 2 cycinders rebuild kit four all three carbs.great i'm...
my trim tab for prop steer is loose and sloppy . i cant seem to loosen or tighten afraid im going to break off the head on bolt. anyway it has about 2 in slop in it eighter way left to right . how can i fix this??????:confused::confused::confused::confused::confused::D
