Hey, we bought a boat roughly two years ago and since then have had a pinging over 3200 rpm's. obvious and probable cause is timing, i understand that. what i dont understand, and my main problem being and have researched and got no where is why isnt the vacuum hooked up on my distributor? its...
Ok i have two issues with my motor i am wondering anyone can help me with.
First and most important is about half the time i use my engine at low rpms (under 1000) it seems to cut off a cylinder maybe two when i give it a little juice (most of the time) it will go to about 1500 rpms and the...
Hi, i was just wondering if anyone had any input or suggestions as i just decided to do a leak down test on my motor today and two cylinders on one side were perfect and two on the other were around 10-20 psi leak down. i pulled the heads figuring maybe ide get lucky and it would be the head...
Hi, i just picked up a 1977 140hp Johnson that had a serious wiring shortage. does anyone have a wiring diagram for this??? joe.pinheiro@hotmail.com Any help would be greatly appreciated!!! Thanks is advance!
Hey anyone know if its possible to swap a 1984 DRESSED 140hp powerhead with my 90hp of the same year??? Will it bolt right up? exhaust on the midsection the same? lower unit? Basically are the same parts used on the 140 and 90 hp minus the powerhead, carbs electronics etc etc (a dressed...
i just picked up a 1983 25hp Johnson and the thing runs like a top but if you listen you can hear a decent knock. is this normal for these motors or does it maybe have something wrong with it?
ive got a 1986 or 1987 25 xd mercury that has a mid-range power problem. it starts right up and idles great. and when i give it full throttle it screams (nice, lots of power) but anywhere between idle and full throttle it doesnt rev up (until i get to full throttle then its great). anyone have...
