Johnson 1988 vro 225 hp fixing up a Frankenstein

[ct1762@gmail.com]

Ct I found this link to start with. On to the next engine fix.
thanks

johnson outboard engine flywheel key slipped and allowed the timing to be advanced - Search Videos

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did that genius really put the flywheel that slipped back on without lapping them together? i think this is the same guy that put a V6 looper together without the taper pin because he "couldn't find it".

 

[kcassells]

did that genius really put the flywheel that slipped back on without lapping them together? i think this is the same guy that put a V6 looper together without the taper pin because he "couldn't find it".

Well just started reading about lapping. off to work yap later.

 

[racerone]

The flywheel key is ONLY there to put the flywheel in the correct position!-----The flywheel is driven by the locking tapers when properly torqued.----Flywheel must be assembled clean and dry.----Note in some years the flywheel key was the same part on a 9.9 HP and a 300 HP OMC outboard.

 

[kcassells]

Always something to learn eh!

how to lap an omc flywheel? - Search Videos

Watch videos instantly on Bing—enjoy direct playback, discover related clips, and dive into trending content all in one place.

www.bing.com

 

[ct1762@gmail.com]

Always something to learn eh!

how to lap an omc flywheel? - Search Videos

Watch videos instantly on Bing—enjoy direct playback, discover related clips, and dive into trending content all in one place.

www.bing.com

right. because as Racer said, the key does squat but locate the timing magnets for proper alignment. on this V6 looper, its really just the inner timer base/trigger magnet thats critical.

 

[kcassells]

Thanks Guys!
Keep it coming. I need what to look for when I remove the wheel that's affecting my idle/timing.

 

[kcassells]

gOTS TA LUV IT

JOHNSON v6 inner timer base/trigger magnet - Search Videos

www.bing.com

 

[ct1762@gmail.com]

gOTS TA LUV IT

JOHNSON v6 inner timer base/trigger magnet - Search Videos

www.bing.com

the factory manual walks you right through the proper procedure, in the correct order. the key when checking ignition and its not the stop circuit is to follow the manual steps IN ORDER. its tempting to skip steps, but doing that makes it more confusing. for these simple tests (whole ignition takes me maybe 15-20 min) you will need a meter with a cheap DVA adapter, test leads, and some common sense haha

 

[kcassells]

the factory manual walks you right through the proper procedure, in the correct order. the key when checking ignition and its not the stop circuit is to follow the manual steps IN ORDER. its tempting to skip steps, but doing that makes it more confusing. for these simple tests (whole ignition takes me maybe 15-20 min) you will need a meter with a cheap DVA adapter, test leads, and some common sense haha

Thanks, I picked up one of those dva adapter awhile back thinking I was going to be at this point sooner or later.

 

[kcassells]

Any recommendations for lapping compounds appreciated.
So far these seem to be in use for flywheel. Opinions welcomed.

Loctite 1777012 Clover Grinding and Lapping Compound, 2-oz.​

• 280 fine grit silicone carbide

Permatex 80037 Valve Grinding Compound, 3 oz.​

Grit Number

280

 

[ct1762@gmail.com]

the Permatex 80037 is by far the way to go. the clover stuff is WAY too fine in my opinion. grit # appears to be the same, but unless i had a finer version of the clover, its not effective unless you want to sit there for an hour moving the flywheel back and forth

 

[racerone]

Some diamond grit lapping compound would work quickly.

 

[kcassells]

Some diamond grit lapping compound would work quickly.

Thanks Guys,
So ok, what would you use on your boat?
Im just asking and don't want to be said "I'm over thinking it.
Looks like the diamond grits come in a much higher grit than the other two mentioned. Also sold as a kit with multiple grits. What grit is recommended or work up to/280 or past 280.

 

[racerone]

Fine silicon carbide will be the stuff to use.-----After one try you will see how much lapping needs to be done to get the perfect fit / match of the tapers.

 

[ct1762@gmail.com]

Thanks Guys,
So ok, what would you use on your boat?
Im just asking and don't want to be said "I'm over thinking it.
Looks like the diamond grits come in a much higher grit than the other two mentioned. Also sold as a kit with multiple grits. What grit is recommended or work up to/280 or past 280.

i mean technically youd want it to cut 1st, then finish with 320+ grit . never had an issue just with permatex though. leaves a perfect frosty look and you can easily see the low spots where it didnt touch so you can get it all out with another attempt or 2

 

[kcassells]

So I went with this material. Has fine and course.

Amazon.com

Thanks guys

 

[kcassells]

i mean technically youd want it to cut 1st, then finish with 320+ grit . never had an issue just with permatex though. leaves a perfect frosty look and you can easily see the low spots where it didnt touch so you can get it all out with another attempt or 2

Thanks CT!

 

[ct1762@gmail.com]

Thanks CT!

nice looking stuff made in the UK!

 

[racerone]

Your local automotive store will have what you need for about $15 or so !!!-----Or borrow a few dabs at your local garage !

 

[kcassells]

Going to try and sneak this work in this weekend.