fireblade fuel problem?

[pesty]

Hi guys,

Me and a mate went for a ride into wales today. we both filled up with petrol in telford and set off. around 110 miles later we put some more in.

only he had to put 4 full letres more in. this is nothing new on our recent trip abroad it was usualy arount 2 litres more than me.

The thing is whenever I rode behide him today I smealt petrol i think its coming out of friggin exhaust. I went a little light headed at one point I swear it was getting me high.

any ideas?

[dern]

Which engine is it?

Mark

[YamR1,V64motion]

well it sounds like its running rich, if its a carbed model(pre 929/RRY) it may need the carbs sorting out, if its a 929,954 or 1000RR it could probably benifit from a power commander and mapping it to sort out the air/fuel mixture.

>> Edited by YamR1,V64motion on Sunday 21st August 23:26

[pesty]

Its a 929 version. 12k miles on the clock no modifications.

[dern]

YamR1-V64motion said:

well it sounds like its running rich, if its a carbed model(pre 929/RRY) it may need the carbs sorting out, if its a 929,954 or 1000RR it could probably benifit from a power commander and mapping it to sort out the air/fuel mixture.

I don't see why you'd suggest a power commander... if it's running rich then there might be something wrong with it and moving to a power commander will only resolve the issue if it's the ecu as that's the only bit you'll replace.

Has he noticed any loss of power? TBH, unless there's a definite symptom of it running rich then I'd be inclined to take it to a dealer so they can check the emissions and verify your diagnosis. It could be something as simple as a plug malfunctioning but I'd be loath the start swapping bits about without a positive diagnosis as it may be a natural tendency for that engine to overfuel at high revs.

I have one of these bikes and the range difference between ragging in in 1st to 3rd gear down the lanes (especially if your mate tends to take it all the way to the limiter) and riding down the road in the higher gears can be quite marked. At a sedate pace I've had the reserve light come on as late as 120 miles but when riding hard in the lower gears I've had it come on just after 90 miles.

Mark

>> Edited by dern on Monday 22 August 09:06

[fergus]

I know of two warranty issues with split fireblade tanks. Throw it back at the dealer, and tell them to sort it.

[pesty]

thanks guys.

Well he was trying to keep up wwith me so he could have been in low gears.

hes going to take it to get looked at. I'll mention to him about the tank.

Phil

[YamR1,V64motion]

dern said:

[quote=YamR1-V64motion]well it sounds like its running rich, if its a carbed model(pre 929/RRY) it may need the carbs sorting out, if its a 929,954 or 1000RR it could probably benifit from a power commander and mapping it to sort out the air/fuel mixture.

I don't see why you'd suggest a power commander... if it's running rich then there might be something wrong with it and moving to a power commander will only resolve the issue if it's the ecu as that's the only bit you'll replace.
[quote]



it just seemed the easiest way to look into the fuel/air mixture on a computer, i dont know if you can plug anything into to just the ECU like when you do diagnostics on a car, im really baffled as to why it would be running so rich anyway if im honest here.

[fergus]

if a temp sensor has gone, then the bike could be running in cold start mode, i.e. with extra fuel enrichment. Get some diagnostics plugged in - they should tell you the state of all the sensors coming off the loom