Please please please help cbr rrw cuts out at 6000 rpm - Honda Motorcycles - FireBlades.org
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post #1 of 7 Old 01-17-2013, 2:37 PM Thread Starter
 
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Please please please help cbr rrw cuts out at 6000 rpm

My bike runs fine in every gear but it cuts out at 6000 rpm I have had new plugs, air filter checked , carbs cleaned and leads checked the bike shop I use thought it was the carbs but after cleaning this week the problem is still there .now they are saying It is going to need a new wiring loom ?????? Have any of you had similar probs and does replacing the wiring loom so like the best route to take
Any advice will greatly received as the bike is in the shop and need advice ASAP
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post #2 of 7 Old 01-17-2013, 6:57 PM
 
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Re: Please please please help cbr rrw cuts out at 6000 rpm

OK, informations a bit thin, but:
RRX does not use a fuel pump, so not that. Fuel starvation would give you full revs that would then drop with a 'coughing' engine sound, so, probably not blocked fuel filter or blocked breather (but still worth checking).
If, as your eplanation makes it sound, the engine cuts dead at 6K RPM, then one of two things, ignition pickup coil or, more epensive, the ECU.
Eliminate all cut out switches first, sidestand, clutch and killswitch. Unlikely with the symtoms you describe but a logical faut elimination route to take.
The beauty of these early 'blades is that they are so electrically simple as there are no sensors etc. to go chasing. Finally, unless your loom has been cut up in the past, I doubt very much that it will have any bearing on the problem..... But we can all be wrong!
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post #3 of 7 Old 01-17-2013, 8:01 PM
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Re: Please please please help cbr rrw cuts out at 6000 rpm

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Originally Posted by Alwaysbshaw View Post
My bike runs fine in every gear but it cuts out at 6000 rpm I have had new plugs, air filter checked , carbs cleaned and leads checked the bike shop I use thought it was the carbs but after cleaning this week the problem is still there .now they are saying It is going to need a new wiring loom ?????? Have any of you had similar probs and does replacing the wiring loom so like the best route to take
Any advice will greatly received as the bike is in the shop and need advice ASAP

What does "cuts out" mean exactly?

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post #4 of 7 Old 01-18-2013, 6:34 AM
 
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Re: Please please please help cbr rrw cuts out at 6000 rpm

I had that happen on a GSXR 1100 I had... I found one of the spark plug wires was almost severed...

Check to make sure all your spark plug wires are on and that the wires themselves are intact... if that doesn't help than check each spark plug:
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post #5 of 7 Old 01-18-2013, 2:01 PM
 
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Re: Please please please help cbr rrw cuts out at 6000 rpm

Throttle position sensors can die with age, heard of it on Triumphs but not often blades?

I've knackered an ECU on a blade, by plugging it in when the bike was switched on (twat). They tend to work or not work though, rather than partially fail.

Please give more info on the symptoms. Is it always exactly at 6,000rpm, or does it depend on load, road speed, etc.?
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post #6 of 7 Old 01-18-2013, 3:36 PM Thread Starter
 
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Re: Please please please help cbr rrw cuts out at 6000 rpm

Many thanks for replies guys will check all possible problems suggested .
I apologise for the brief information and hope fully will be able to give more today
The bike gets to 6000rpm and just cuts out completely on all cylinders and then cuts back in very aggressively but never going much over 6000 rpm it is the the same in all gears and only when under load
I've tried addind a cleaning additive and rode about 200 miles to see if this would help but no improvement I've had new plugs and the carbs cleaned and still no improvement
The bike shop now believes the problem is a fault in the wiring loom
I do have a data tool alarm fitted and I'm not sure if this will have any affect if not working properly or poorly fitted .


Once again many thanks and hope to hear from you all soon
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post #7 of 7 Old 01-19-2013, 1:05 AM
 
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Re: Please please please help cbr rrw cuts out at 6000 rpm

So you can rev it up past 6,000 and hold it when it's in neutral and not under load?

hmm...

I'd still check the spark plug wires and take all the plugs out and see if any or all of them have symptoms of any of the wear seen on that pic I posted.

Spark plugs never lie on a bike that isn't running good.
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