Motormaniac801
Cadet
- Joined
- Jun 6, 2010
- Messages
- 27
Hope this is the right section. (mods please move otherwise)
But im having some problems with my tach on my boat. Im reading 6000RPMs and doing anywhere form 25-30mph. which is very high, but the boat sounds nice and runs smooth.
The consensus in the other topic is that i might be under propped, bad tach, or stripped splines/bumper on the prop.
***The shaft/splines/rubber bumper on the shaft is in perfect condition and not spinning.
***Im not too sure about the tach being in full functioning order and yet to have it look at.
But for the prop. Right now im running a (J 15 x 17 P) on a 17ft 1974 Glastron with a 140 hp I\O merc with the R series out-drive. usually carrying >400lbs
Whats it mean to be "under propped". and Any ideas or suggestions of that being a good/bad prop or right or wrong prop for this particular boat. Thanks in advance guys...
But im having some problems with my tach on my boat. Im reading 6000RPMs and doing anywhere form 25-30mph. which is very high, but the boat sounds nice and runs smooth.
The consensus in the other topic is that i might be under propped, bad tach, or stripped splines/bumper on the prop.
***The shaft/splines/rubber bumper on the shaft is in perfect condition and not spinning.
***Im not too sure about the tach being in full functioning order and yet to have it look at.
But for the prop. Right now im running a (J 15 x 17 P) on a 17ft 1974 Glastron with a 140 hp I\O merc with the R series out-drive. usually carrying >400lbs
Whats it mean to be "under propped". and Any ideas or suggestions of that being a good/bad prop or right or wrong prop for this particular boat. Thanks in advance guys...