if i have a 75hp rude and gps shows 31mph prop is 13 3/4 x 15 what would be my rpm? the tach on the boat is a quicksilver and won't work also what is the next size bigger prop?
1976 75hp rude found my problem but while doing so i changed the carbs put on a set of 65hp carbs is it worth my time to put the 75hp carbs back on? both sets are great carbs 65hp has low speed adj. on them the 75 don't but if i can get a hp gain i will change
1976 75hp rude just boggs down comp is good 120 on all 3 seems to have good spark i set timing @12degrees with plugs out @wot it calls for 16 and about 7/16 spark gap carbs seem to be clean as i took them apart and cleaned them and done a link and sync even took head off cyls look great put in...
1976 75hp rude will not even begin to start to plane seems to have good spark on all cyl while at idle carbs have been rebuilt link and sync done comp is #1 120 #2 120 #3 118 no fuel problems when trying to bring rpms up sounds like its running on 2 cyl and just boggs down i took head off and...
ok i took some advice for the guru's on this board and pulled the head off my 1975 75hp rude looks like it could have been getting water in the cyl i think. the reason i think it did it looks like the where the plugs are its bleached white (or sand blasted)the cyls look great and it had comp of...
ok i think my problem is timing at wot! when i looked under the flywheel the rubber stop was missing and at wot the timing plate is a good 2 to 3 inches away from the screw stop could this be my problem? its a 1976 75hp rude
i have a 75hp rude model#75643D cannot get it up on plane has great comp. #1=120 #4=115 #3=115 seems to have good spark at idle carbs appear to be clean i checked the coils and each coil has 1.2k res. at coil pack to plug boot connection it has autolite plugs i'm going to change them to champion...
i have a 16ft bass boat with a 75hp rude model#75643d won't even start to come up on plane carbs are clean 120 comp. on all 3 cyl. the prop is 13x19 i need help
