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Marvel Mystery Oil in the gas tank 19 Oct 2005 18:40 #2869

  • sicnik
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I had an old Harley guy tell me to use a capful of Marvel Mystery Oil in my gas to help clean and recondition my carbs/valves. Is this good advice?

Nick
82 KZ750E

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Can't imagine it could hurt. 19 Oct 2005 18:50 #2872

  • KZQ
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I'm told it increases the lubricity of the fuel, that would help most every thing it comes in contact with.
KZCSI
www.KZ1300.com
Riders:
1968 BSA 441 Shooting Star, 1970 BSA 650 Lightning, 1974 W3, 1976 KZ900, 1979 KZ750 Twin, 1979 KZ750 Twin Trike, 1981 KZ1300, 1982 KZ1100 Spectre, 1987 Yamaha Trailway, 2000 Valkyrie, 2009 Yamaha Roadliner S. 1983 GL 1100
Projects:
1947 Indian Chief, 1985 ZN1300

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Can't imagine it could hurt. 19 Oct 2005 18:56 #2877

  • savedrider
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They don't call it Mystery Oil for nothing...

Seriously though, never heard of that.

Post edited by: savedrider, at: 2005/10/19 22:51
Get right or get left! <*{{{><

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Marvel Mystery Oil in the gas tank 19 Oct 2005 19:14 #2884

  • RonKZ650
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An old guy I knew 15 yrs ago swore by it in his Diesel trucks. Supposedly 2 oz of mystery oil to 5 gal of gas. I've been mixing this ratio for about 15 yrs now in my motorcycles. Does it help anything? I sincerely doubt it really. How much lubrication can 2 oz a tankful really provide? It's a 320/1 mixture, but I still use it.:blink: :blink:
321,000 miles on KZ's that I can remember. Not going to see any more.

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Marvel Mystery Oil in the gas tank 19 Oct 2005 19:22 #2886

  • twist
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ummm... marvel mystery oil...
located port chester NY
(not far from me).

Knowing some people that worked there,
they wouldn't use it.

I wouldn't use it as a gas additive.
graphite content is pretty high.

not for carbs...dip 'em in Berrymans
to de-gunk.

~twist

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Marvel Mystery Oil in the gas tank 20 Oct 2005 06:20 #2965

  • wiredgeorge
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I have been told by a serious local racer and bike machinist that Marvel Mystery Oil is great for lubricating pistons when you first assemble them into a cylinder block. The stuff burns right off and allows the rings to seat quickly just as regular oiling starts up in the cylinder bores. He recommends that if you can't find Marvel Mystery Oil, to use automatic transmission fluid as he claims they have about the same weight and properties.

Not sure about adding the stuff to my gas though... I am pretty sure that Seafoam would work wonders. Read the packaging. You can add it to oil, to gas and use the aerosol Sea Breeze to spray directly into your carburetors... each has a different area it cleans up when used in a different way.
wiredgeorge Motorcycle Carburetors
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www.wgcarbs.com
Too many bikes to list!

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Marvel Mystery Oil in the gas tank 20 Oct 2005 09:07 #2990

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I love that stuff. Every time I mention it to anyone they look at me like I am an alien. I use it in the bike, in the car, in the gas and a bit in the oil. The car ('90 toyota corolla) is now going on 200k+ miles and running strong and still getting better than 35mpg.
the bike always has issues.... however the engine has not been one.

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