Bike won't rev past 9k - Suzuki GSX-R Motorcycle Forums Gixxer.com
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post #1 of 22 (permalink) Old 09-21-2012, 12:52 AM Thread Starter
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Bike won't rev past 9k

what's up guys. I'm new to the forum. basically i have just bought myself a 07 gsxr 600 and my problem is that the bike won't go over 9k RPM's. it's like that's the top RPM that the bike can reach. any idea idea what is possibly going on??? thnx
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post #2 of 22 (permalink) Old 09-21-2012, 01:28 AM
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Re: Bike won't rev past 9k

Mileage?

Check valve clearances, check fuel filters, air filter
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post #3 of 22 (permalink) Old 09-21-2012, 07:39 AM
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Re: Bike won't rev past 9k

Without an FI error being indicated, it's probably a fuel delivery problem. Do the fuel pump tests as described in the manual.
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post #4 of 22 (permalink) Old 09-21-2012, 09:13 AM
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Re: Bike won't rev past 9k

What does it do when you get to 9k? Does it shut on/off, stutter, just smoothly lose power?

Does it lose power on the way to 9k or pull strong right up to 9k?
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post #5 of 22 (permalink) Old 09-21-2012, 10:02 AM
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Re: Bike won't rev past 9k

Kinked fuel line?
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post #6 of 22 (permalink) Old 09-21-2012, 01:42 PM Thread Starter
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Re: Bike won't rev past 9k

mileage is 23180 km. it kind of loose power on the way to 9k and when it reaches 9k it just stays there. it doesn't cut off or anything and if i pop the clutch it doesn't take off as hard as it should.
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post #7 of 22 (permalink) Old 09-21-2012, 05:22 PM
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Re: Bike won't rev past 9k

Fuel starvation. Almost positive. Now you just need to figure out why. Too little pressure, intake restriction (filter), or otherwise.
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post #8 of 22 (permalink) Old 09-21-2012, 05:59 PM
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Re: Bike won't rev past 9k

Take the bike out for a ride, get back home, and then open the fuel cap (put your ear next to it when you open it) listen for a "whoosh" of air.
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post #9 of 22 (permalink) Old 09-21-2012, 06:12 PM
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Re: Bike won't rev past 9k

Quote:
Originally Posted by Chocolate_Rain View Post
Take the bike out for a ride, get back home, and then open the fuel cap (put your ear next to it when you open it) listen for a "whoosh" of air.
And if you have air "whooshing" then you need to open / clear the vent so you aren't creating a vacuum in the tank.
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post #10 of 22 (permalink) Old 09-21-2012, 06:15 PM
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Re: Bike won't rev past 9k

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post #11 of 22 (permalink) Old 09-21-2012, 08:28 PM
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Re: Bike won't rev past 9k

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Originally Posted by TheGeek View Post
Fuel starvation. Almost positive. Now you just need to figure out why. Too little pressure, intake restriction (filter), or otherwise.
Sure sounds like a fuel problem to me also.
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post #12 of 22 (permalink) Old 09-21-2012, 11:04 PM
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Re: Bike won't rev past 9k

clogged line/filter or loose connection in the fp relay.
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post #13 of 22 (permalink) Old 09-22-2012, 02:27 PM Thread Starter
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Re: Bike won't rev past 9k

thnx for the replies guys. I think i figured out the problem. The bike is running on the 4 lower injectors. is that a problem with the ecu??
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post #14 of 22 (permalink) Old 09-22-2012, 03:23 PM
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Re: Bike won't rev past 9k

Is there a powercommander or similar on the bike?
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post #15 of 22 (permalink) Old 09-22-2012, 04:30 PM Thread Starter
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Re: Bike won't rev past 9k

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Originally Posted by rv6john View Post
Is there a powercommander or similar on the bike?
no sir. no pc
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post #16 of 22 (permalink) Old 09-22-2012, 06:37 PM
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Re: Bike won't rev past 9k

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Originally Posted by Dopegixxer View Post
thnx for the replies guys. I think i figured out the problem. The bike is running on the 4 lower injectors. is that a problem with the ecu??
that depends. has it thrown FI codes? is there current at the injectors?
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post #17 of 22 (permalink) Old 09-23-2012, 07:25 AM
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Re: Bike won't rev past 9k

Top injectors don't kick in until the higher RPMs
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post #18 of 22 (permalink) Old 10-28-2012, 04:54 PM
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Re: Bike won't rev past 9k

Could be the TPS.
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post #19 of 22 (permalink) Old 11-03-2012, 02:02 AM
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Re: Bike won't rev past 9k

Check your oil. If it is massively overfilled it would do that. Easy and with a try.


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post #20 of 22 (permalink) Old 11-03-2012, 02:03 AM
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Re: Bike won't rev past 9k

"Worth" a try...

Gar
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