valve adjustment - TwoWheelForum: Motorcycle and Sportbike forums
 
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post #1 of 10 (permalink) Old 06-19-2006, 03:57 AM Thread Starter
 
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valve adjustment

i have a 2004 zx-6r and i have like 2500 miles to go for a valve adjustment. i want to know is it hard to do on these bikes. and how much does something like this cost. i think 10,000 miles is what it says in the book to get it done at. thanks
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post #2 of 10 (permalink) Old 06-19-2006, 05:09 AM
 
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Quote:
Originally Posted by shamrock
i have a 2004 zx-6r and i have like 2500 miles to go for a valve adjustment. i want to know is it hard to do on these bikes. and how much does something like this cost. i think 10,000 miles is what it says in the book to get it done at. thanks
a valve job on a bike isn't cheap at all, and I will tell ya it's almost not worth it to mess with it yourself!
If the book says the valves don't need to be adjusted until 10k miles, why are you taking it in at 2500?
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post #3 of 10 (permalink) Old 06-19-2006, 04:06 PM
 
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Quote:
Originally Posted by R1up0n1
a valve job on a bike isn't cheap at all, and I will tell ya it's almost not worth it to mess with it yourself!
If the book says the valves don't need to be adjusted until 10k miles, why are you taking it in at 2500?
He said he has 2500 TO GO until he needs one. Honestly 10K miles seems kinda low. My R6 doesn't call for one until 20K. They can be a real bitch though. There was a how-to with pics on this other form I'm on. It's doable but you can't make a mistake. I wonder how much the shims cost. You'd also want to see if your warranty (if you still have one) would cover you doing it yourself. And it's not cheap AT ALL to have a shop do it.
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post #4 of 10 (permalink) Old 06-19-2006, 04:24 PM
 
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somehow, I think the warranty WONT cover a person doing their own valve adjustments. look at the warranty paperwork and see what it says.

I've never done adjustments on valves myself, but its something thats probably beyond most peoples grasp because of the precise tolerances you have to set everything to. one little mistake and you've got an expensive repair.
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post #5 of 10 (permalink) Old 06-19-2006, 09:02 PM
 
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The cams probably have to come out to get to the shims under the buckets. It isn't rocket science, but it is pretty involved since there are 16 of them. Mine uses threaded adjusters, but just a slight movement of the screw changes the clearance by a thousandth... and the outer valves are a bear to get to...and the radiator has to be moved...and you need a torque wrench in inch/pounds...etc...etc.
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post #6 of 10 (permalink) Old 06-20-2006, 01:18 AM
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I would be willing to bet at 10,000 miles they don't need any adjustment worth the time or money.

My 9R had nearly 18K on it when they were done and only a few need any type of adjustment. And I promise you my 9R was whipped on a regular basis!




-Chris
aka Gas Man



Was: 2002 Kaw ZX-9R
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is me till the
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post #7 of 10 (permalink) Old 06-20-2006, 07:54 AM
 
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My 92 has almost 27k on her. I can almost guarantee it has never been done. After 27k miles and 14 years, I'm sure it could use a bit of tweaking.



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post #8 of 10 (permalink) Old 06-20-2006, 09:53 AM
 
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Quote:
Originally Posted by R1up0n1
a valve job on a bike isn't cheap at all, and I will tell ya it's almost not worth it to mess with it yourself!
We charge $150 on most bikes. We charge several hundred on the ZX-12, as the motor has to be dropped because the frame is a huge tunnel that the top of the motor sits up inside of.

The real piss off is that the two big guys in town always sell valve adjustments to people at 600mi. Way before it's required on the service interval.
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post #9 of 10 (permalink) Old 07-05-2006, 04:35 PM
 
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Take it to a reputable shop. Unless you really know your way around engines, I wouldn't do it myself.
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post #10 of 10 (permalink) Old 07-06-2006, 07:01 AM
 
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Originally Posted by xXMaGNuSXx
Take it to a reputable shop. Unless you really know your way around engines, I wouldn't do it myself.




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