Valve clearance adjustment; Do the sprockets have to come off? - BMW Luxury Touring Community
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post #1 of 14 Old Aug 25th, 2016, 11:30 am Thread Starter
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Post Valve clearance adjustment; Do the sprockets have to come off?

Hello all, n00b here. Bought a 2006 KLT w.39kMiles on it last week and planning on doing full maintenance on it (Inspection III ?). Checked the book on the valve check process and it tells you to remove the camshaft sprockets prior to removing the camshafts themselves if adjustment is needed.

I've done this job to many jap bikes and I've always just zip-tied the chain to the sprockets and moved them aside to gain access to the shims. So my question is, can this also be done with the K-motor too?

P.S. Does anyone know of a shop or individual in San Diego county, CA that would be willing to swap buckets if needed?
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post #2 of 14 Old Aug 25th, 2016, 2:41 pm
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Re: Valve clearance adjustment; Do the sprockets have to come off?

Quote:
Originally Posted by JaL3_SD View Post
Hello all, n00b here. Bought a 2006 KLT w.39kMiles on it last week and planning on doing full maintenance on it (Inspection III ?). Checked the book on the valve check process and it tells you to remove the camshaft sprockets prior to removing the camshafts themselves if adjustment is needed.

I've done this job to many jap bikes and I've always just zip-tied the chain to the sprockets and moved them aside to gain access to the shims. So my question is, can this also be done with the K-motor too?

P.S. Does anyone know of a shop or individual in San Diego county, CA that would be willing to swap buckets if needed?
That is the procedure.

Robert

They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety.
Benjamin Franklin (1706 - 1790)


2000 K1200LT "Latifah"
1994 R1100RSL (wife's)
1981 R80GS
1976 R90S
1965 R80/2 Frankenbike (wife's)
2001 Bunkhouse LX (given to son)
2011 Bunkhouse Queen

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post #3 of 14 Old Aug 25th, 2016, 3:47 pm
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Re: Valve clearance adjustment; Do the sprockets have to come off?

I rely on the skills of Kirk. He made a 3 part video to do the job!

Part 1:
Part 2:
Part 3:
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post #4 of 14 Old Aug 25th, 2016, 8:08 pm
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Re: Valve clearance adjustment; Do the sprockets have to come off?

FWIW mine were OK until the 48 K inspection then I changed 4 of them, one at the 62 K and 76 K and I most likely will not change any at the 104 K as they have settled down. Many of us have provided bucket swaps but if you do that enough you end up with a whole bunch of the same size.

John
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2009 R1200GS (Gone)
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2006 Bushtec Turbo+2 Spell
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But lack DE, MA, RI and CT with the 2005 LT

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post #5 of 14 Old Aug 25th, 2016, 10:15 pm
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Re: Valve clearance adjustment; Do the sprockets have to come off?

Here is another resource K1200RS Valve Adjustment it is for an RS but same motor.

John Baker

2005 BMW K1200LT
1979 Suzuki GS1000E
1978 Honda CB350
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post #6 of 14 Old Aug 25th, 2016, 11:10 pm
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Re: Valve clearance adjustment; Do the sprockets have to come off?

Quote:
Originally Posted by JaL3_SD View Post
Hello all, n00b here. Bought a 2006 KLT w.39kMiles on it last week and planning on doing full maintenance on it (Inspection III ?). Checked the book on the valve check process and it tells you to remove the camshaft sprockets prior to removing the camshafts themselves if adjustment is needed.

I've done this job to many jap bikes and I've always just zip-tied the chain to the sprockets and moved them aside to gain access to the shims. So my question is, can this also be done with the K-motor too?

P.S. Does anyone know of a shop or individual in San Diego county, CA that would be willing to swap buckets if needed?
I don't follow your question. You ask if the sprockets have to be removed before removing the cams. And then you say you have removed the sprockets on many Japanese bikes.

Are you surprised that the K engine is similar to Japanese engines with bucket shim valve trains? Or is there some other subtlety to your question that I am missing? It seems you answered your own question above.

2017 KLR650 "Mule"
2007 K1200LT "Starship Enterprise", VOICE II, Navigator V, Motorrad Communicator
1987 Kawasaki Voyager XII
1976 Kawasaki KH400
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1970 Rockford Chibi (the orange one)

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post #7 of 14 Old Aug 26th, 2016, 11:46 am Thread Starter
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Re: Valve clearance adjustment; Do the sprockets have to come off?

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I don't follow your question. You ask if the sprockets have to be removed before removing the cams. And then you say you have removed the sprockets on many Japanese bikes.

Are you surprised that the K engine is similar to Japanese engines with bucket shim valve trains? Or is there some other subtlety to your question that I am missing? It seems you answered your own question above.
First; Thank you all for your advise and links. I've watched a lot of Kirk's videos, awesome stuff.

Voyager; Maybe I wasn't clear enough; I meant that on the jap bikes I've done this on I've always left the sprockets on the cams and then just turn the cams (w. sprockets on) to the side to gain access to the buckets. My question was is there anything in the K-motor that prevents this or do the sprockets HAVE to come off? Just looking to save some time, that's all.

I've ridden the bike about 200 miles and I think I can hear some valve clatter, but if anyone thinks it could be something else, I'm all ears. I know that this is hard to "diagnose" without actually hearing the noise but maybe there's something that's typical for this motor/trans that rattles, especially when accelerating. Cam chain tensioner letting loose perhaps? Followers worn out?
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post #8 of 14 Old Aug 26th, 2016, 1:41 pm
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Re: Valve clearance adjustment; Do the sprockets have to come off?

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Originally Posted by JaL3_SD View Post
First; Thank you all for your advise and links. I've watched a lot of Kirk's videos, awesome stuff.

Voyager; Maybe I wasn't clear enough; I meant that on the jap bikes I've done this on I've always left the sprockets on the cams and then just turn the cams (w. sprockets on) to the side to gain access to the buckets. My question was is there anything in the K-motor that prevents this or do the sprockets HAVE to come off? Just looking to save some time, that's all.

I've ridden the bike about 200 miles and I think I can hear some valve clatter, but if anyone thinks it could be something else, I'm all ears. I know that this is hard to "diagnose" without actually hearing the noise but maybe there's something that's typical for this motor/trans that rattles, especially when accelerating. Cam chain tensioner letting loose perhaps? Followers worn out?
Usually K1200s tighten the valve clearance with wear. It is relatively easy to pull the valve cover to check clearances. I would do that first. Re-use the gasket with small dabs of silicone at the corners of the half moon shaped pieces. Some K1200s are quire noisy. I seem to have one of the relatively quiet ones.

Robert

They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety.
Benjamin Franklin (1706 - 1790)


2000 K1200LT "Latifah"
1994 R1100RSL (wife's)
1981 R80GS
1976 R90S
1965 R80/2 Frankenbike (wife's)
2001 Bunkhouse LX (given to son)
2011 Bunkhouse Queen

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post #9 of 14 Old Aug 26th, 2016, 3:49 pm
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Re: Valve clearance adjustment; Do the sprockets have to come off?

Quote:
Originally Posted by JaL3_SD View Post
First; Thank you all for your advise and links. I've watched a lot of Kirk's videos, awesome stuff.

Voyager; Maybe I wasn't clear enough; I meant that on the jap bikes I've done this on I've always left the sprockets on the cams and then just turn the cams (w. sprockets on) to the side to gain access to the buckets. My question was is there anything in the K-motor that prevents this or do the sprockets HAVE to come off? Just looking to save some time, that's all.

I've ridden the bike about 200 miles and I think I can hear some valve clatter, but if anyone thinks it could be something else, I'm all ears. I know that this is hard to "diagnose" without actually hearing the noise but maybe there's something that's typical for this motor/trans that rattles, especially when accelerating. Cam chain tensioner letting loose perhaps? Followers worn out?
I don't see any way to rotate the LT cams with the sprockets and chain attached. This would require severely twisting the chain and likely damaging it. Removing the sprockets isn't hard and eliminates the possibility of damaging something.

2017 KLR650 "Mule"
2007 K1200LT "Starship Enterprise", VOICE II, Navigator V, Motorrad Communicator
1987 Kawasaki Voyager XII
1976 Kawasaki KH400
1973 Kawasaki 100 G5
1970 Rockford Chibi (the orange one)

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post #10 of 14 Old Aug 26th, 2016, 3:54 pm Thread Starter
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Re: Valve clearance adjustment; Do the sprockets have to come off?

^Thanks, this is exactly what I was looking for.

Now if only someone knew about a place here in San Diego county that swaps buckets.. My go-to bike shop does not stock them, darn.
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post #11 of 14 Old Aug 26th, 2016, 4:04 pm
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Re: Valve clearance adjustment; Do the sprockets have to come off?

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^Thanks, this is exactly what I was looking for.

Now if only someone knew about a place here in San Diego county that swaps buckets.. My go-to bike shop does not stock them, darn.
I ordered mine online.
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2017 KLR650 "Mule"
2007 K1200LT "Starship Enterprise", VOICE II, Navigator V, Motorrad Communicator
1987 Kawasaki Voyager XII
1976 Kawasaki KH400
1973 Kawasaki 100 G5
1970 Rockford Chibi (the orange one)

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post #12 of 14 Old Aug 27th, 2016, 12:06 pm
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Re: Valve clearance adjustment; Do the sprockets have to come off?

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^Thanks, this is exactly what I was looking for.

Now if only someone knew about a place here in San Diego county that swaps buckets.. My go-to bike shop does not stock them, darn.
You won't know what size you need until you do the measurement and pull the cams if needed. After pulling the cams you may be able to shuffle a few around. Make a list and post it here some folks have "spare" buckets. If you order them online go to Maxbmw and get a bag of M&M's with you order. HTH

John Baker

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1979 Suzuki GS1000E
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post #13 of 14 Old Aug 29th, 2016, 11:32 am Thread Starter
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Re: Valve clearance adjustment; Do the sprockets have to come off?

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You won't know what size you need until you do the measurement and pull the cams if needed. After pulling the cams you may be able to shuffle a few around. Make a list and post it here some folks have "spare" buckets. If you order them online go to Maxbmw and get a bag of M&M's with you order. HTH
Thanks. I know how swapping the shims, or in this case, buckets work. My local bike shop swaps the shims that most Jap bikes use for free, which is nice, but like I said, they don't stock the Beemer buckets.

I'll be back bugging you guys if I indeed need to get some used ones.

Thanks again to all of you, this is a great community!
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post #14 of 14 Old Aug 29th, 2016, 11:51 am
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Re: Valve clearance adjustment; Do the sprockets have to come off?

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Originally Posted by JaL3_SD View Post
First; Thank you all for your advise and links. I've watched a lot of Kirk's videos, awesome stuff.

Voyager; Maybe I wasn't clear enough; I meant that on the jap bikes I've done this on I've always left the sprockets on the cams and then just turn the cams (w. sprockets on) to the side to gain access to the buckets. My question was is there anything in the K-motor that prevents this or do the sprockets HAVE to come off? Just looking to save some time, that's all.

I've ridden the bike about 200 miles and I think I can hear some valve clatter, but if anyone thinks it could be something else, I'm all ears. I know that this is hard to "diagnose" without actually hearing the noise but maybe there's something that's typical for this motor/trans that rattles, especially when accelerating. Cam chain tensioner letting loose perhaps? Followers worn out?
The brick engine on the K bikes is often referred to as a " Box of Rocks" Don't listen too carefully or you will hear noises you don't want to hear. Ear plugs are good when riding.

In all seriousness, these engines make noises normally so unless it is really bad, most you shouldn't bee too concerned about.

As for valve clatter, keep in mind that the valves wear to become tighter, not loser so unless it is really a wide gap and far out of spec, it may be in your better interest to leave it if it is close as in time, it will only get closer. Tight clearance is where you should be concerned especially on the exhaust side. At $31.15 US each plus shipping from the MAX BMW site, it doesn't take too many buckets to make valve adjustments for small amounts an expensive task.
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