CBR 954RR 2002 - 2003 - CBR 954RR Forum

White smoke on start up?

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Old 05-01-2008, 04:58 PM
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Default White smoke on start up?

I've noticed my bike doing this when she is cold. Anyone else have this problem?

I read that this could be the bike burning coolant... if this is so, is it a big job to replace the seals that need replacing?

Any other input would be great! Thanks
 
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Old 05-01-2008, 05:12 PM
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Default RE: White smoke on start up?

I remember seeing white smoke when i put the 110 octane in there... have you been running high ocatne?
 
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Old 05-01-2008, 06:30 PM
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Default RE: White smoke on start up?

I use the higest grade gas at the pump(92 i think it is off the top of my head). Should I only use regular?

Thanks!
 
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Old 05-01-2008, 10:23 PM
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Default RE: White smoke on start up?

I believe the manual only calls for 87 octane. when you use a higher octane than that you actually cause engine detonation which is not as cool as it sounds (http://en.wikipedia.org/wiki/Engine_knocking). there will be critics of this thinking of course, but that's what my chemistry teacher explained to me and that's how I think so it makes since to me.
 
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Old 05-01-2008, 10:37 PM
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Default RE: White smoke on start up?

matty, 954`s start up rich to begin with i have also notice a slight whitish smoke if you rapp on the motor while cold they have forged pistons that have to heat up, some oil will get by. how many miles on engine?
 
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Old 05-01-2008, 11:14 PM
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Default RE: White smoke on start up?

ORIGINAL: vpsophmore

I believe the manual only calls for 87 octane. when you use a higher octane than that you actually cause engine detonation which is not as cool as it sounds (http://en.wikipedia.org/wiki/Engine_knocking). there will be critics of this thinking of course, but that's what my chemistry teacher explained to me and that's how I think so it makes since to me.
.. you stop detonation by using a higher octane fuel first of all.. 2nd 92/93 octane is fine for these bikes... you have a oil burning problem
 
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Old 05-02-2008, 12:27 AM
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Default RE: White smoke on start up?

Don't worry about the white smoke. If it was bluish then you probably looking at valve guide seals. but usually you get condensation when the bike cools down after a ride, more so when it is sitting over night. So at start up it is like steam you are seeing. You can smell and if you just smell a rich running bike and it goes away once the bike gets nice and hot then your just looking at water condensation. I thought the same thing before too!
 
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Old 05-02-2008, 07:52 AM
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Default RE: White smoke on start up?

Ok thanks guys!... There is only 13,000 miles on my bike, and I don't ride hard by any means.


Thanks again for the help folks!
 
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