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Automatic fuel valve 1980 750kz

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johnk

Automatic fuel valve 1980 750kz

Hi....I WONDER IS IT POSSIBLE TO REMOVE THE AUTOMATIC FUEL VALVE?..If i remove this will i have to turn off my fuel tank supply each time i stop the bike? can this removal cause me flooding problem?
thank you John

icerigger

Re: Automatic fuel valve 1980 750kz

There are a few threads here about the Spawn of Satan (SOS) as these things are affectionately known. A lot of of them are bypassed or replaced with manual petcocks.

Yes, if you do this, you should turn off the fuel valve when you leave the bike for any period of time to avoid overflow or flooding if a needle valve happens to stick.

Good luck.

Livin' my life like a song.

1985 Honda Rebel 250 - "Birdie"
1979 CB750K - "Behemoth"

TOOLS1

Re: Automatic fuel valve 1980 750kz

Administrator

In reply to this post by johnk

I never shut off a fuel valve unless I am working on the fuel system.
TOOLS

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1976 CB 750-A X 2
1977 CB 750-A X 4
1977 CB 750-K
1976 CB 750 F
1981 CB 750
1966 Kawasaki SG 250
1981 KZ 750 LTD
1973 CB 350
1979 CM 185 Twinstar
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icerigger

Re: Automatic fuel valve 1980 750kz

At least that way you won't run down the battery trying to start the damn thing when you forget to turn it on.

Livin' my life like a song.

1985 Honda Rebel 250 - "Birdie"
1979 CB750K - "Behemoth"

LukeM

Re: Automatic fuel valve 1980 750kz

Administrator

I only ran into this issue when my bike sat for about a week or so, long enough (I presume) for the float bowls to empty out. After I got it going again, it usually started pretty quickly the next day.

But I agree: if you don't have a good enough battery, it's possible to run it down long enough with the cranking that you compromise the ignition portion. If you can get it to stumble a bit, then you're probably OK.

Luke M

Used to have a 1979 CB750L, sold it as a parts bike, now riding a slightly modified 1984 VT700C. Network/Field Engineer. Central OH, USA, Earth, Sol System, Milky Way Galaxy, Universe.