Hi everyone.I have a 1975 9.9 Johnson.I can't figure out why it is only running on one cylinder.It only runs on the top cylinder.So this is what I have done.Carb kit,points and condensers gapped .20,,new plugs gapped .30,compression is 68 both cylinders.I took the coils off and switched them and...
Hello everyone.I have a 1975 9.9 Johnson.It ran very well last year but this year it was running rough in the barrel.When I took it out to the lake it ran for about a minute then quit and wouldn't start again.I replaced the points and gapped them .20.I backed out the idle screw 1.5 turns then...
O.k. so the new thermostat fixed the cooling issue but the motor still miss fires when at wide open throttle.When you back off the speed it will miss even more then run smooth at half throttle or less.Any ideas or did I buy a lemon.The motor runs great either than that.Starts good idles good.
Hi everyone.I have a cooling issue.I wrote in before about my 1975 johnson 9.9 not puming water when you open up the throttle.I just put a tell tale in the top cylinder and it pumps the water out perfectly but it still dosen? come out the exhaust when you are at wide open throttle.The cylinder...
Hi everyone.I have a problem.I just bought this motor.It is a 1975 9.9 Johnson. When it idles it pumps water fine I think.When I start to open it up the water slowly stops flowing out the back.At wide open the water stops completly.I changed the impeller and still the same thing.The water is...
hi guys.'im looking at buying a 65hp merc off a guy and he says it's mid 1960's .the serial number he gave me dosen't come up on any website that have mercury serial numbers.heres the serial number 2096466 if any one can find out if it is a 65 or not and the year that would be great.thanks.dennis
hi guys i have a 1969 50hp merc.the bottom end is seized.the guy i bought the boat motor and trailer off of had water in the bottom end and it froze in the winter and cracked the outer casing and seized up the gears.is there anyway of unseizeing it.or can i put the powerhead on another year...
hi guys i have a 1969 50 hp merc.the motor is stuck in gear .i thought it was seized but i can move the fly wheel a bit and and prop moves a bit when i move the flywheel.when i move the shifter linkage on the motor it slides easy and dosen't click into forward or reverse.can anyone help me with...
hi everybody.my 1959 10 horse evinrude keeps popping out of gear.i was at a swap meet today and bought another motor for parts.the guy said it was a 10 horse johnson but when i got it home and checked the model number it's a 1962 5.5 johnson.am i able to swap lower units or just the gears.the...
hi everyone the shift lever spring on my 1959 10 horse evinrude was weak and the motor kept popping out of forward.i stretch the spring and it worked for a few weeks.but now it's popping out again.does anyone know the correct length of the spring or can i order one.thanks.
Hi guys.I have a 1959 10hp evinrude.it ran like crap when i bought it.So i cleaned the carb and rebuilt the carb and changed the plugs.now it starts good and idles great but when i put it in forward(which alot of the time it dosen't want to go in to)the motor dosen't actually go fast.it goes...
Hi everybody.i just bought a 1959 10 horse evinrude.i cleaned the points and put new plugs in it but in order to keep it running i have to keep the choke pulled out the whole time it runs.the two settings on the front keep moving around as well.do i need to clean the card or reuild it.the motor...
