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Old 03-11-2009, 11:13 AM   #1
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bukwld's Avatar
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Joined: Sep 2007
From: 47.9792 N, 122.2008 W

I Ride: the 08 Gixxer 1K that I act like I can ride..
Question about checking valve clearance on motorcycles
So I'm somewhat mechanically knowledgable, but have never had my valves checked on my bike. They were checked when I bought the bike from the dealership, but here is my question..

Coming into a new season, I'm over the 16K on my bike and want to do or have the valve clearance checked. I have the manual but am afraid of tearing down my top end to do this. Is this something that is seriously hard and I should pay to have just this done, or is it really that hard and I can ask a fellow member to give me a hand one day doing this and perhaps they can show me how to do it for future references?

Anyone willing to volunteer as well? I provide beer, food, etc..

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Old 03-11-2009, 11:18 AM   #2
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Joined: Jun 2008
From: Beijing
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I Ride: in my wet dreams
You should be able to do it on your own. What kind of bike is it? Some bikes use shims, and some are adjustable with a screw. I did my old ninja and it was really easy. You may need to buy a valve cover gasket, but I was able to save mine. From start to finish, it only took about an hour. But if it needs shims, it might take longer and you'll have to order them. The service manual should tell you. But, either way, you don't have to take apart the head, just pop the valve covers off

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Old 03-11-2009, 11:20 AM   #3
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From: 47.9792 N, 122.2008 W

I Ride: the 08 Gixxer 1K that I act like I can ride..
forgot to mention. its a 2001 Honda CBR 929RR

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Old 03-11-2009, 11:21 AM   #4
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Joined: Jun 2007
From: Covington, WA

I Ride: RC51, R6 (track), Ninja250
Checking them is relatively easy. Adjusting them if they are shim under bucket (most bikes these days), that can be a bit more involved as you have to pull out the cams, etc. and if you don't get everything back just right you can do some serious damage.

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Old 03-11-2009, 11:23 AM   #5
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Joined: Apr 2006
From: seattle

I Ride: 1krr
hmmmmmmmmmmmm, if you decide to do this buk, count me in, my valves need checking to.

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Old 03-11-2009, 11:29 AM   #6
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Joined: Jun 2008
From: Beijing
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I Ride: in my wet dreams
Honda's need clearance adjustments? Guess it would be worth checking if it's at the interval. My Honda CBR900rr (1993) clearances didn't move a bit even up until I sold it at close to 50k. They built that motor right

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Old 03-11-2009, 12:44 PM   #7
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From: Redmond

I Ride: 1997 TL1000S, 2010 KTM 690 Enduro R, 2013 KTM 500 Exc, 2008 KTM 530 Xcw,
not uncommon at all for several to be out at the first adjustment, and not need anything further till at least the 50k mile mark.

checking them is easy, adjusting them isn't really hard if you have a couple tools and correct shims.

whether you do it yourself or have it done is up to you, and how much you want to save money and have it done correctly.

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Old 03-11-2009, 01:05 PM   #8
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From: 47.9792 N, 122.2008 W

I Ride: the 08 Gixxer 1K that I act like I can ride..
im going to stop by a local shop or two after work today and get a quote. All I really want is the Valves checked and I can do the rest myself. I'd rather save money and have them do the hardest thing and from there do the rest myself with what I know how to do. Spark plugs, etc are the items that I know how to do.

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Old 03-14-2009, 07:15 AM   #9
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Joined: May 2007
From: Renton

I Ride: 05 Gixxer 750
Hey guys,

So whatever happened to this? I have my throttle body pulled off and i'm checking the fuel injectors, but looking at the valves they are really dirty and burned. And i think i see oil down there Is it supposed to be like that?

It's hard to find any references online, and the manual is not covering this subject very well.

This is a 2005 GSXR 750. Anyone have any experience with this?

Thanks guys.

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Old 03-14-2009, 11:44 AM   #10
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Joined: May 2007
From: Renton

I Ride: 05 Gixxer 750
Here's an excellent write up i found. This is a great addition to the manual.

However this is a very scary venture. Looks scary to do, and expensive to pay for.

http://www.gixxer.com/forums/showthread.php?t=136207

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Old 03-16-2009, 08:33 AM   #11
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Joined: May 2007
From: Renton

I Ride: 05 Gixxer 750
Does anyone have a feeler guage to check the clearances on my valves that i can borrow? I live in the Renton/Tukwila area.

Thanks.

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Old 03-16-2009, 08:39 AM   #12
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Joined: Oct 2008
From: Vancouver BC

I Ride: '05 Suzuki GSF650S Bandit
Cool neither a borrower nor a lender be.....
buy a feeler gauge---they're only a few bucks and you can use them to check your spark plug gap as well.

To the OP, I suggest getting a Haynes or Clymer manual and familiarizing yourself with your machine. Even if you decide never to adjust the valves, you'll be much more familiar with your bike's inner workings.

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Old 03-21-2009, 09:44 PM   #13
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Joined: Sep 2007
From: 47.9792 N, 122.2008 W

I Ride: the 08 Gixxer 1K that I act like I can ride..
I have the manual for the bike as I am the OP. I didn't feel like doing it myself. The local dealership is charging me $500 for a full 16K tune-up on the bike. I'd rather have them do it just in case something stupid happens..

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Old 03-21-2009, 09:59 PM   #14
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Joined: Apr 2008
From: Silverdale, WA 98383
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I Ride: Yamaha YX600
Save your money....enough people on the forum know how to check these things.

I wouldn't worry too much about getting this checked asap, Hondas are usually so well built they don't require tampering at low miles...IMO

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Last edited by Mithras; 03-21-2009 at 10:05 PM..
 
Old 03-22-2009, 07:42 AM   #15
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Joined: Dec 2004
From: Sichuan, China

I Ride: Moto Guzzi V1100 Breva
for those not in the know
most modern sport bike motors generally only use two types of shims. One type requires you to take out the cams in order to replace the shims and some of the older ones don't require cam removal. If there is another type I haven't seen it (this excludes ducati as that is a completely different monster). Checking the valve clearance is very easy and for the most part only involves taking the valve cover off and turning the motor over which can be done with the real wheel in most cases. Feeler gages are cheap don't be afraid to buy one. Use a book to help you (clymer or Haynes).

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