Has anybody ever used stuff like this in a bike to try and clean the crud off your valves, like the can says it will?
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Current Bikes:
2001 Yamaha FZ1 (bought same one back) -
Not me.
Have you looked at your valves to see if they are crudded up? You can't really see much by pulling the spark plug.
In my opinion (which could easily be wrong
), the only place that a build-up of crud would affect operation is on the seating surface of the valve and head. I just can't picture how a fuel additive is going to keep anything out of there. 
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mine: 2000 Honda GoldWing GL1500SE and 1980 GS850G'K' "Junior"
hers: 1982 GS850GL - "Angel" and 1969 Suzuki T250 Scrambler
#1 son: 1986 Yamaha Venture Royale 1300 and 1982 GS650GL "Rat Bagger"
#2 son: 1980 GS1000G
Family Portrait
Siblings and Spouses
Mom's first ride
Want a copy of my valve adjust spreadsheet for your 2-valve per cylinder engine? Send me an e-mail request (not a PM)
(Click on my username in the upper-left corner for e-mail info.) -
I clean my valves with a drill and wire wheel.
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sigpic
mine: 2000 Honda GoldWing GL1500SE and 1980 GS850G'K' "Junior"
hers: 1982 GS850GL - "Angel" and 1969 Suzuki T250 Scrambler
#1 son: 1986 Yamaha Venture Royale 1300 and 1982 GS650GL "Rat Bagger"
#2 son: 1980 GS1000G
Family Portrait
Siblings and Spouses
Mom's first ride
Want a copy of my valve adjust spreadsheet for your 2-valve per cylinder engine? Send me an e-mail request (not a PM)
(Click on my username in the upper-left corner for e-mail info.)Comment
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i'm trying to clean my values on a kawasaki without dismantling the valves from the head. I have the head off right now. I've tried a little seafoam then B-12 but haven't really scrubed yet. Made very little of a difference on the exposed valve surface. Worked better on/around the combustion chambers. I know the best way to clean is a tear down but i do not plan on doing this, yet. Very cheap bike and trying to keep it that way.
I have 2 heads to work from. On one head the valves are not that bad but on/near the mating surface with the valve cover gasket in one chamber the surface is gouged up. All other chambers look descent.
The exhaust ports/valve shafts look better on one head compared to the original head although they are not great.
The original head that came off the bike the valves are pretty carboned up.
I'm trying to figure out which head to use.
I'm getting a camera either tonight or tomorrow and will post pictures asap of both head valves.1979 GS850G
2004 SV650N track bike
2005 TT-R125 pit bike
LRRS #246 / Northeast Cycles / Woodcraft / Armour Bodies / Hindle Exhaust / Central Mass Powersport
http://s327.photobucket.com/albums/k443/tas850g/Comment
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