Awesome, I never could find one for my '78 when I had it tore down.

I'm the causing confusion one. I meant that finding a replacement is impossible.

OK, I don't want to be "that guy". You're cracking a joke at me, right?

Hopefully not, that boot is impossible to find.

Ask for Jack at Seaway; he can find almost anything.

Hit the parts tab above, enter your serial number, search for parts, if you don't find 'em, get the part numbers and search online. It may take a bit of searching for those old yami built motors....

Yea, that's them

It also does a good job of steam cleaning the cylinders

Water can get in the gear oil in two places;the seal under the water pump and the seal on the prop shaft.
As for the water coming out the exhaust relief holes; I haven't run my motor on muffs for...

Here is a paper put out by Fernando Salazar at the Department of Aerospace and Mechanical Engineering
University of Notre Dame.

http://www3.nd.edu/~msen/Teaching/DirStudies/Engines.pdf

Very...

A light filing and I got no resistance. Put it back together, reset the breaker gap, and the spark test came out better. Thanks teachers

File!

I bought an ignition point file from an auto parts store. It is very fine. I'm just hesitant to use it. The contacts now look grey. I took a lot of oil and dirt off. Like I said, the resistance is...

I'm glad you brought up crocus cloth. I've always wondered what was different about it; so I checked it out, after reading your post.
I've always thought, "Why not use emery cloth". And I've always...

Gap is set. More concerned with making contact than breaking contact now.Thanks for the input though.

Got any tips on cleaning contacts?

After dewinterizing and warming up my 1978 Mariner 40B (started right up), I gave it a little gas. It started getting some smoke. I gave it a little more and it cleared out. It did this last year, so...

You must remove the 8 bolts that come up through the drive shaft housing, and remove the power head to take the lower cowl off. Once you get the power head off you'll want to get the cowl off to...

Search, search, search on the internet. You may find an owners manual, but a service manual; you gotta pay! Some of them you can check-out at the public library.

Hello, is there anyone on this forum?

Is your statement backwards Guyjg?

My guess is, you could move up, but you need a tach to know for sure. I'm not sure if a 15 1/2 ft. john boat is rated for a 60hp motor.