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"rec/reg"????

How are you measuring RPM's at the prop?

Wouldn't any damaged/leaking seals also affect compression? If compression is good, then there should also be good suction to draw air in, right? Nevermind, compression is within the cylinder, suction would be within the crank case.

That should be a fine spray coming out of the jet. I think you've got a clogged jet.

Does it have a poppet valve? How is it running? Lean condition? Idle jet clogged? On OMC I'd take off the exhaust cover and look for blockages there. Doesn't water get to heads through passages in exhaust cover?

Two friends of mine shared a boat. They're not friends anymore. One had to sell his house and move away. They lived next door to each other. Constant fighting on who got the boat each weekend, who did/didn't put gas in the boat. One didn't clean the boat to the others satisfaction, One...

If you try to shift in forward/reverse and the gear casing goes up and down when you shift, then your shift rod is not fully separated. Otherwise, follow the directions above to get the drive shaft free.

Do you have relays, like the square plastic ones found under the hood of your car? Or do you have solenoids that have wires held on with nuts? If you have solenoids you should have a red wire, a black wire and either blue or green depending on whether it's the up solenoid or the down solenoid...

Pretty sure that's your flush hose hook up. I think there's supposed to be something that holds that in place, but it screws off and hooks to a garden hose to flush your motor with clean water after a day in the river/lake. Not sure how that mount is supposed to stay in that hole. It's not a...

The fuel pump and oil pump are completely separate pumps, right? Is fuel pump for VRO different than standard fuel pump?

If pumping the primer bulb keeps the motor running, you have a bad fuel pump. Pretty cheap/easy fix.

If you slowly pull the rope out, you should be able to see better how it is attached. Then you use C-clamp or something to hold the recoil in that position without winding back up and you disconnect the rope, cut a piece of rope the same length and slide it in the way the old one came out and...

Here you go: https://outboard-boat-motor-repair.com/motors/Evinrude%2018%20HP%201967%20Model%2018702%2018703

You didn't actually update this thread.

What exactly is wrong with yours?

Probably need to stick with the same diameter. You probably don't have room for a larger diameter prop without hitting the something. The pitch of a prop is the number of inches it should travel forward in one complete revolution. Let us know the RPM's and speed at Wide Open Throttle (WOT)...

I just Googled "85 HP Johnson outboard choke solenoid" and got 1.2 million responses. Or you can go to the top of this page, click on "home" and shop for parts.

Once you get it loosened up, try turning the gear and lifting it with your hand or with a screwdriver. If you can feel the gear binding or fitting really tight against the flywheel, you'll need a shim. Basically, anything will work to space the starter away from the mounting area. Shims are...

There are so many unanswered questions here. What was the reason for having someone adjust the cables? What was the motor running like before the adjustment? Was this a marine mechanic, or someone that repairs lawnmowers? If the guy didn't know what he was doing, he could have messed up the...

That was simply a side note. Completely unrelated to the issue I'm asking about. Thanks for taking the time to critique my post though! I'll try to be more direct and to the point without any "frills" in the future.