Using Sea Foam on to clean power valves

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YamyMan

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Nov 20, 2006
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18
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MI
I read in a forum that Sea Foam is an option to clean the power valves. Is this just the fuel additive Sea Foam? Any help is appreciated. I have scrubbed with hot water WAY too long on one valve so far. Thanks
 
I think the sea foam is usually just to help the buildup from occuring while operating, not when you have them removed. I've used aircraft paint stripper.
 
Sea Foam is great for quickly removing the tar, but doesn't do much for the burnt on stuff. I use it first, and then use stripper if needed. Many times if the vavles aren't too bad you can use a plastic scraper and Sea Foam and be all done in just minutes. Yes all 3 valves in just minutes.

Yes it is the same stuff you refer to.
 
I've had some success with using WD-40 on them too if they aren't too bad. Seems to break up the gunk on them.
 
I have used carb cleaner on my power valves, but that does not seem to work too well.

Does sea foam work better?

I have to clean my valves on my XC this weekend.
 
I just got done doing mine. I put all 3 in a can and filled to let them soak. Then I used a nylon brush to scrub. It came out ok. I also used a wire brush and had no problem. Whatever you do do not take the coating off the pv.
 
best cleaning agent

The best cleaning agent I have found for all the parts in an engine that see gas, oil and exhaust is OCM Engine Tuner. You can get it from just about any marine or boat dealership. The stuff in the spray can with the clear hose is easiest to use. Fill a bowl, drops the parts in and let them sit over night and then use a rag to easily wipe any gunk off that didn't come off or blow out the jets that were plugged. This stuff will unclog a pilot jet that is plugged with the hard green buildup.
Mills
 
I soak them in simple green, then use double edge single razerblade in reddevil holder, blade is thin & flexes, does not harm coating..
 
When i cleaned my power valves for the first time i had to pull them out with pliers they were so bad. Then i soaked them in this b-12 stuff i got at napa overnight. Then all i used was some scotchbrite and they look like new. Only took maybe 5 mins for each valve. I think the key to not having to scrub or scrape all day is to let them soak if their real dirty. $.02
 
I soak mine is carb cleaner over night if they are really bad....It worked better then aircraft stripper for me.....................
 
I dump the SeaFoam in the fuel tank and dont clean the valves...you wont need to. This has worked for 10 years. Still on original PV cables, seals, and no valve pull throughs,... not bad for a 10 year old sled.
 
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