Thank you, that is exactly what I wanted to know!! A leak down test consists of pressuring the cylinders with air correct? How much psi is too much or not enough?
So I have a leak on my 88 spl on the crank case. I will have to disassemble and reseal it. Would it be beneficial to hone and put new rings on the pistons or no? If doing so would I need new pistons? Just a curious thought
I have a 1990 evinrude 88 spl. So my boat has been sitting and somewhere along the lines my throttle and shift cables are all out of wack. I did a lot of work on the motor as far as changing reed valves and a various of other things such as coils, plug wires, etc…
Anyway so when I shift...
I have a 1974 7.5hp mercury thunderbolt. Is a 2 cylinder. It is hard to start when cold. Have to choke it, give it throttle for it to start. But when warm starts with one pull. I noticed the top plug was bone dry. While the bottom was a wet brown oil residue. As it should. What would cause the...
I bought a 1974 7.5 hp about 3 years ago. I’m just now getting into it. The carburetor that is on it is broken. Seems to be a big issue on these. They are scarce it seems. Anyway I have found a 1974-1975 9.8hp carburetor. Will it work for my 7.5? As long as I were to swap the jets from old 7.5...
So checking the timer base on my 1990 88 spl. But has tilt and trim. When i check the white and blue wires i get 4.240 ohms..?? Then the rest are with 44.0 ohms. Which is in spec. When i connect the timer base to the pack it goes down to about 1.200 ohms.. do i have a bad timer base? Also i have...
I will when I get home from work.
Cylinder 1 - 120psi
Cylinder 2 - 120psi
Cylinder 3 - 120psi
Cylinder 4 - 115psi
Compression isn’t too bad at all! I’ll check spark again today maybe if the wife lets me.. lol
Well both plugs on the port side are wet but have not signs of burnt fuel as they appear to still look brand new. As the starboard side looks to be firing. It runs rough and well not wot. Idles rough.. also just want to be sure it’s working properly. I have tested the gap some time ago. I’ll...
what is a way to test a power pack and stator. I feel like I’m getting weak spark. But want a sure way of knowing the power pack and or stair are not going out. I have a 1990 evinrude 88 spl