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Old 03-03-2010, 07:52 PM   #41
DohBoy
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Default Re: Valve Adjustment Shim Calculations - Free Spreadsheet!

Hey all, I feel like an idiot for writing that last post. Im really not an angry math snob all of the time. I was in a really bad mood and half asleep and said stuff I shouldnt have. I was going to delete the post, but figured I would leave it so people can laugh at me from time to time. Sorry about all that.

I can see how a spread sheet can be faster and also provide a convenient way to keep track of all the changes. Just type it all in and hit print. Now I have an easy to read record to keep in the old maintenance file.

I better get back the spreadsheet work ...
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Old 04-06-2010, 04:48 PM   #42
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Default Re: Valve Adjustment Shim Calculations - Free Spreadsheet!

Just used the Calc as part of my first valve adjustment. Really liked it.

Thanks.
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Old 04-06-2010, 09:49 PM   #43
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Default Re: Valve Adjustment Shim Calculations - Free Spreadsheet!

Glad it is working out for everyone!
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Old 05-01-2010, 11:42 AM   #44
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Default Re: Valve Adjustment Shim Calculations - Free Spreadsheet!

Hello all,
I was able to access the shim calculator with our previous computer running XP Home with Service Pack 2 and resolved to use it when the time came.

That time is now come, but our new computer running Windows 7 doesn't want to know. Has anyone else met and overcome this problem. I would be very grateful if any hints could be passed on. Another program I use (I play on line Scrabble) met with rejection but Windows stepped in and opened it anyway as an exception - saying the Website needed to upgrade their compatibility range and I wonder if this is the case here.

I'm not too worried about doing the checks and any adjustments without the spreadsheet, but it seemed such a very worthwhile aid that it would be a shame to pass up the chance to use it.

Kindest regards and thanks for any help.

John Atkinson
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Old 05-29-2010, 07:20 PM   #45
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Default Re: Valve Adjustment Shim Calculations - Free Spreadsheet!

Hello Gentlemen....

I first want to thank you all for all the great info and wisdom on this site..You have helped me more than you will ever know. Ok, I just got done [or at least I am half way through] with checking my valves. first time I have ever done this on a MC. It went..[or is going so far] really well thanks to the excellent writeups and vids etc found here. I am at the stage of ordering or finding the needed shims and would like someone to double check my findings with me. Here is what I have and what I think I will need.

Right Intake....007 clearance with a 270 shim ..Good?
Left intake......006 clearance with a 285 shim...need a 280 shim
Right Exhuast..008 clearance with a 285 shim...need a 280 shim
Left Exhaust...007 clearance with a 285 shim...need a 280 shim

Thanks for you help

Joe
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Old 06-05-2010, 11:51 PM   #46
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Default Re: Valve Adjustment Shim Calculations - Free Spreadsheet!

Hmmmm, I'm trying to decide which shims to use it's a '01 here are the stats

L EX .08mm clearance has 2.45 shim- should I go with a 2.30 or a 2.35?
R EX .06mm clearance has 2.50 shim-2.35 should give me .21 OK?
L IN .15 clearance OK has 2.45
R IN .12 clearance OK has 2.50 within specs?

on the L EX should I go bigger or smaller?

Thanks again
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Old 07-09-2010, 09:57 PM   #47
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Default Re: Valve Adjustment Shim Calculations - Free Spreadsheet!

Quote:
Originally Posted by Suncoast View Post
Hmmmm, I'm trying to decide which shims to use it's a '01 here are the stats

L EX .08mm clearance has 2.45 shim- should I go with a 2.30 or a 2.35?
R EX .06mm clearance has 2.50 shim-2.35 should give me .21 OK?
L IN .15 clearance OK has 2.45
R IN .12 clearance OK has 2.50 within specs?

on the L EX should I go bigger or smaller?

Thanks again
Been out on vacation - Sorry for the delay - Did you get it worked out?
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Old 07-10-2010, 10:25 PM   #48
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Default Re: Valve Adjustment Shim Calculations - Free Spreadsheet!

Just used it. Thanks for the great resource! Worked perfectly.
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Old 09-26-2010, 04:21 PM   #49
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Default Re: Valve Adjustment Shim Calculations - Free Spreadsheet!

Does anyone know why the KLR vaves need to be adjusted when (I am Told ) the other two asin Dual Sports don't ?

This is a question the was asked me last weekend I think I know the answer but am not positive and would like some input !
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Old 10-04-2010, 12:57 PM   #50
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Default Re: Valve Adjustment Shim Calculations - Free Spreadsheet!

Here's one for y'all who think the KLR valve adjustment procedure is a pain:

I installed a Cary Aspy-ported head at 15,000 miles.

Finally, after 30,000+ miles, one intake valve was slightly on the tight side of Cary's specs (still well within factory specs.

The three other valves had exactly the same clearance as 30,000 miles ago.

I had measured the clearances a couple of times previously (less than an hour to check them).

Once the engine is broken in and the valves are in spec, they just don't seem to go out for a long, long time.

Again, 30,000 miles and they didn't need adjustment.

Gotta admit, that's pretty good.
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Old 10-04-2010, 08:11 PM   #51
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Default valve adjust question

just checked vavles on my '05 and, as seems common, all four were at the snug end of the specs. could someone please explain to me why the gap between shim and cam lobe usually gets smaller over time? i would expect it to grow as parts wear, but then, i aint too smart...
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Old 10-05-2010, 03:59 PM   #52
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Default Re: Valve Adjustment Shim Calculations - Free Spreadsheet!

The valve face and the valve seat are the parts that are wearing so the valve is going further into the head which in turn decreases the clearance of the valve stem. Valve clearances decrease, but they do not increase.

Last edited by hungerleiter; 10-05-2010 at 04:24 PM.
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Old 01-03-2011, 07:37 PM   #53
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Default Re: Valve Adjustment Shim Calculations - Free Spreadsheet!

Newbee question

Mine has 7500 miles, with original shims, the readings today were;
LE = .005
RE = .006

LI = .006
RI = .006

I should have to change only one exhaust, but read somewhere that you are better off on the loose side of the specs.
Is it worth the trouble since I'm changing one just go ahead and change all?

Considering they are original shims, is there any material with the PN for the OEM so I can calculate the ones I need?

Thank you
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Old 01-07-2011, 11:01 AM   #54
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Default Re: Valve Adjustment Shim Calculations - Free Spreadsheet!

I would set them to the loose side. This way you wont have to change shims again for a long time. Some shops will trade shims at no cost. That is what our local shop did for us. Since it didnt cost anymore and only took a few minutes, it was worth the effort to adjust to the loose side. Especially when the bike has low miles.
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Old 01-07-2011, 11:26 AM   #55
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Default Re: Valve Adjustment Shim Calculations - Free Spreadsheet!

You're about in the middle of the spec. Go for putting the larger shims in there, you won't have to mess with it for another 10k miles. My situation was exactly as yours, checked my valves at 7500 miles, just checked them at 18000. I was .002 out on all valves so I re-shimmed them. I won't be messing with them for another 10k miles. It's a lot of work getting in their, why redo it and go through all that crap again in a short period of time.
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Old 03-02-2011, 09:43 AM   #56
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Default Re: Valve Adjustment Shim Calculations - Free Spreadsheet!

Hey all - I just want to make sure this calc will work for an 09 and not just gen 1
thank you
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Old 03-03-2011, 11:10 PM   #57
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Default Re: Valve Adjustment Shim Calculations - Free Spreadsheet!

Quote:
Originally Posted by KLRonbo View Post
Hey all - I just want to make sure this calc will work for an 09 and not just gen 1
thank you

It will work for all years. Gen 1 and Gen 2.
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Old 04-26-2011, 03:11 PM   #58
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Thumbs up Re: Valve Adjustment Shim Calculations - Free Spreadsheet!

Thanks Warren... Just what I was looking for. Your the best..
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Old 08-11-2011, 11:49 AM   #59
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Default Re: Valve Adjustment Shim Calculations - Free Spreadsheet!

Quote:
Originally Posted by Warren View Post
Hey All,

I developed this Excel spreadsheet several years ago to determine what shim thickness to use during the valve adjustment, and to serve as a historical maintenance document so you can remember what you placed in there.

It also has MM to Inch conversion (and vice-versa) to fill those needs as well.

Use it well, and enjoy!

Warren,

This is great. However, I am about to purchase my first KLR this weekend. I think I am going with an '05 with 5K miles. The Do Hickey has not been done (should I be concerned?) and the owner says he is not sure about the valves. Apparently he just rides it (highway only) and is not much into the mechanics.

What do I need to know about checking/adjusting the valves? Is there another thread that describes in detail how to adjust the vales?

Thanks,

Rob Caldwell
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Old 08-11-2011, 12:57 PM   #60
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Default Re: Valve Adjustment Shim Calculations - Free Spreadsheet!

Marknet has an explanation here:

https://klr6500.tripod.com/valves.htm

Make sure you have something to mark the position of the gears, like a silver sharpie marker. Change our your spark plug while your in there. The only real worry is dropping something down into the engine, so stuff the openings with rags and take your time.
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