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smedman

Cleaning Flame Arrestor

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smedman

I have a metal flame arrestor (i believe) and was wondering what works best to clean it.

Some kind of solvent I assume... (although solvents are typically highly flamable)

What about WD-40? Will that work? (will it go BOOM?)

Thanks

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danadog

I used carb cleaner on mine with no issues.

I did let it sit out for a while and get good and dry before I put it back on.

Not sure that is the right stuff but it did work well.

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Pistol Pete

Smed,

didn't you get that PM I sent you last week?

Anyway, don't use WD, use carbureator cleaner. BTW, WD is flamable....so is carb. cleaner.

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smedman

Hey Pete,

Thanks, yes, did get your PM - although I didn't quite follow as the stuff you were describing were not parts that I could match up on my boat. Maybe I just haven't dug in deep enough in there...

From what I found in the Indmar manual - the flame arrest looked like the circular metal thing with metalic mesh -- kind of looks like a carbureator (unless that is the carb)? You were talking about a red or pink thing, but didn't see anything similar... maybe i'm not looking in the right place....

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Tom Sawyer

The only thing to make the flame arrestor dirty is dust...which is pretty thin out on the water. If there's one place where I'm willing to cut a corner, this is it.

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Pistol Pete

I'd still clean it once in awhile along with the PCV valve.

Smed, I can't attach pictures right now for some reason. I'm guessing your engine has the big rectangular thing on the top? Looks like an old school air filter? I guess you don't have the pink colored conical air filter.

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Big Dubya

carb cleaner for sure,

and it evaporates in under a minute (hence the safe-use in a carburetor)

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BlastRlxi
The only thing to make the flame arrestor dirty is dust...which is pretty thin out on the water. If there's one place where I'm willing to cut a corner, this is it.

I agree. Blow it out with a little compressed air and you should be good to go.

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Malibudude
The only thing to make the flame arrestor dirty is dust...which is pretty thin out on the water. If there's one place where I'm willing to cut a corner, this is it.

The only thing to make the flame arrestor dirty is dust...which is pretty thin out on the water. If there's one place where I'm willing to cut a corner, this is it.

I agree. Blow it out with a little compressed air and you should be good to go.

Guys it's a 2 buck bottle of carb cleaner, not something I think we need to worry about. I use carb cleaner and clean it at the end of each season along w/ the oil change etc..

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BlastRlxi

The only thing to make the flame arrestor dirty is dust...which is pretty thin out on the water. If there's one place where I'm willing to cut a corner, this is it.

The only thing to make the flame arrestor dirty is dust...which is pretty thin out on the water. If there's one place where I'm willing to cut a corner, this is it.

I agree. Blow it out with a little compressed air and you should be good to go.

Guys it's a 2 buck bottle of carb cleaner, not something I think we need to worry about. I use carb cleaner and clean it at the end of each season along w/ the oil change etc..

Yeah, but 2 bucks, that's a gallon.....I mean half a gallon of gas.......I see your point. :)

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aneal000

On most metal (boat) air filter/spark arrestors (not specifically talking Indmar here) you don't get a lot of dust buildup but you do typically see residue from oil, grease, gas, etc. Water won't take this off, but I guess Dawn might. WD-40 actally works well, but carb cleaner is very efficient as well. Or heck just dump some gas on it... wait, that would be way to expensive! Blow it off with compressed air as well and you'll be good to go. Just wait a minute or so before you reinstall it and start the boat. Most solvents/gas dissapate very quickly so don't worry about blowing up as long as it's not dripping when you reinstall the filter.

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edwin

I use brake cleaner and let it sit for a while before reinstalling

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stewart

It should be noted that this cleaning method is for the metal air filter/flame arrestor found on the 320LCR.

All others: Monsoon, HH, 8.1L have K&N filters/flame arrestors on them. To clean the K&N you will need to go down to your local motorcycle dealer of Kragen and get K&N filter cleaner and oil.

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Pistol Pete

Stew's right.

Smed,

Is this what you have? (I finally got a hold of a photobucket acct. and can add pics. now)

engine.jpg

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Malibudude
It should be noted that this cleaning method is for the metal air filter/flame arrestor found on the 320LCR.

All others: Monsoon, HH, 8.1L have K&N filters/flame arrestors on them. To clean the K&N you will need to go down to your local motorcycle dealer of Kragen and get K&N filter cleaner and oil.

Ah, my Monsoon has a flame arrestor on it.

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stewart

It should be noted that this cleaning method is for the metal air filter/flame arrestor found on the 320LCR.

All others: Monsoon, HH, 8.1L have K&N filters/flame arrestors on them. To clean the K&N you will need to go down to your local motorcycle dealer of Kragen and get K&N filter cleaner and oil.

Ah, my Monsoon has a flame arrestor on it.

And your point is?????

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smedman
Stew's right.

Smed,

Is this what you have? (I finally got a hold of a photobucket acct. and can add pics. now)

engine.jpg

Pete - mine is similar to the photo... except it is circular.

Call me crazy but I just sprayed a little WD40 around it and wiped it off with a towel. Used the boat later that day with no incident. :) (Didn't have time to pick up some carb cleaner, but will for next time. )

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