white smoke

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kion
Posts: 88
Joined: Thu Jul 19, 2007 4:20 pm
My Bike: zxr400
Location: manchester

white smoke

Post by kion »

my bike gives out white smoke when cold but only when cold,i know that white smoke means water in the engine so iam thinkin head gasket but there is no loss in power that i can tell???
i mite just do a comp test, also i bin thinkin it may be condensation from the cover being on it but its quite a lot of white smoke, but not tons.
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rover220
zxr400 oc member
zxr400 oc member
Posts: 613
Joined: Sun Oct 21, 2007 12:24 pm
My Bike: zx7r p6
Location: Stafford

Re: white smoke

Post by rover220 »

itll just be condensation in this weather unless your loosing water?
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deviant
zxr400 oc member
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Posts: 1352
Joined: Thu Jun 02, 2005 9:50 am
My Bike: ZXR400 L3
Location: Nottingham, UK
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Re: white smoke

Post by deviant »

It's quite normal for them to chuck a ton of water vapour out of the back when you start them up on cold days. Hot exhaust gas, full of water from the combustion process, hits a cold metal pipe and all the water condenses out of it.

The things to check are

- Does it stop after a few miles?
- Is the coolant level dropping?

If the answers are YES and NO (in that order), I don't think you have anything to worry about.
In the garage:
Kawasaki ZXR400 L3 - shiny
Suzuki DR800 - bouncy
1978 Suzuki GS400 - PROJECT RETRO RACER!
Kawasaki GPz500S - for sale soon
Honda CG125 BR-J - in bits
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