Not uncommon for older loopers to have 80 psi.they are low compression motors to start with..already have it to 55mph on 201 pro hull .grated 95 to 110 psi new would be great but it is all even
All plugs were out. Throttle was wide open. Turn five revolutions until gauge does not climb anymore. And I use two different gauges. I know the motor is very worn but all six are reading exactly the same. Even the bottom cylinder is reading the same
I know to much rpm change. But 200 to 250 rpm per inch pitch should be about right I think so 1000 rpm change was what I was suspecting. It's a older looper 225 johnson.85 psi on all 6 holes I know is low but very even on all cylinders. Not sure on year its between a 89 and 91 . I went with a...
A little bit on the 20" not bad .I was thinking about 1000 rpms to.i want to set timing and make sure that is good first and then try to get props right.waiting on omc service manual in mail now. I went with a 1990 year hope that is right cant find any numbers at all . Ser and model number plate...
Faztbullet.thank you so much.we are getting there .I know 89 to 91 know with your information. This one has 2 screws on carb linkages 88 and older only has 1.i wonder if looking at anything else could get me closer on year..
225 johnson . low 50s on the speed. the motor is between 88 and 92 i think no numbers ser or welch plug. i want to check timing after getting omc service manual but not sure on year
soon as i find out what year it is i will order omc manual. dont want to order wrong year at 80 bucks a pop..lol. sure wish numbers were still on transom