"Three Bond 1209" - K-Bikes.com - Excellence in Motion
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post #1 of 13 (permalink) Old Oct 10th, 2006, 4:43 pm Thread Starter
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Question "Three Bond 1209"

Anyone know where you can buy this liquid putty gasket sealant? It is the recommended sealant for the valve cover gasket on the K12RS and other BMW's. It's on the internet, but doesn't mention any retailers.

http://www.threebond.co.jp/en/produc.../1200list.html

The local dealer said they didn't use sealant on the valve cover gasket for my bike.

Ken Bowen-Retired MSF RiderCoach

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post #2 of 13 (permalink) Old Oct 10th, 2006, 4:52 pm
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Quote:
Originally Posted by DallasKRSRider
Anyone know where you can buy this liquid putty gasket sealant? It is the recommended sealant for the valve cover gasket on the K12RS and other BMW's. It's on the internet, but doesn't mention any retailers.
You can use Permatex. I used Ultra Copper Gasket Maker, and it worked rather well.

From what I gather, Three Bond isn't available in the U.S.

Quote:
The local dealer said they didn't use sealant on the valve cover gasket for my bike.
They didn't? I would guess that you're having a slight problem with leakage, no?

Black 2002 K1200RS - "The Beast" (over 100k miles)
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post #3 of 13 (permalink) Old Oct 10th, 2006, 4:57 pm Thread Starter
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Cool No Leakage

The valve cover is right where the factory installed it 59K miles ago. I am about to check the valves for the first time. The dealer said they don't use sealant for the valve cover. But the DIY file I found on the internet said they used it. Hmmmmmmmmm.

Ken Bowen-Retired MSF RiderCoach

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post #4 of 13 (permalink) Old Oct 10th, 2006, 5:14 pm
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Quote:
Originally Posted by DallasKRSRider
The valve cover is right where the factory installed it 59K miles ago. I am about to check the valves for the first time.
Yikes!!!

Black 2002 K1200RS - "The Beast" (over 100k miles)
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post #5 of 13 (permalink) Old Oct 10th, 2006, 5:18 pm Thread Starter
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Thumbs up Valve Check

RhineWest in San Antonio said they wouldn't be surprised if the valves didn't need adjusting at this mileage on my bike.

http://www.rhinewestperformance.com

I have one of their chips in my K12, and the bike is running perfect.

Ken Bowen-Retired MSF RiderCoach

Kerrville, TX

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post #6 of 13 (permalink) Old Oct 10th, 2006, 5:38 pm
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Quote:
Originally Posted by DallasKRSRider
The valve cover is right where the factory installed it 59K miles ago. I am about to check the valves for the first time. The dealer said they don't use sealant for the valve cover. But the DIY file I found on the internet said they used it. Hmmmmmmmmm.

I have used Three Bond #1104 for years with excellent results. It is available at most dirt bike shops. Three Bond #1209 is almost impossible to get, Also I use Permatex "Ultra Black" with the same results. It can be had at most good auto parts shops.

Now, where to use it.. Put a very thin layer of sealant, top and bottom on the cam chain/cylinder head seam, also a dab in each corner of the half-moon camshaft cutouts at the rear of the gasket. That's the only places you put sealant. Not all over the gasket.

At 59K on the gasket, I would replace it and also all the cover bolt seals, as these provide the actual tension on the cover gasket. The bolts themselves are "bottomed" out when tightened.

Bruce C
'04 K1200RS Capri Blue(totaled)
2008 Triumph Sprint ST
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post #7 of 13 (permalink) Old Oct 10th, 2006, 6:00 pm Thread Starter
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Thumbs up Cover Bolt Seals

Bruce......Great suggestion! I guess it's back to the Beemer dealer.

Thanks.......

Ken Bowen-Retired MSF RiderCoach

Kerrville, TX

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post #8 of 13 (permalink) Old Oct 11th, 2006, 9:18 am
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Quote:
Originally Posted by brucecha
Put a very thin layer of sealant, top and bottom on the cam chain/cylinder head seam, also a dab in each corner of the half-moon camshaft cutouts at the rear of the gasket. That's the only places you put sealant. Not all over the gasket.
I made sure that sealant covered the entire downward jog at the bottom front where the head, timing cover, and valve cover meet, and the irritating oil seepage that was present before dwindled to an infinitesimal weep.

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post #9 of 13 (permalink) Old Oct 11th, 2006, 1:39 pm
 
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I don't believe ThreeBond 1209 is available in the US. I recently used ThreeBond 1207B on a K12 engine rebuild project. I applied it everywhere the manual recommended 1209 with great results. I purchased it from San Diego BMW Motorcycles.
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post #10 of 13 (permalink) Old Oct 11th, 2006, 6:34 pm Thread Starter
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Question Now Torx Socket Size

What size is the torx socket to remove the 8 torx screws holding the valve cover in place? I gotta buy one.

Also, I find it interesting that the local BMW dealer said they didn't use sealant on the valve cover gasket at all, nor do they sell it, when the OEM BMW Owners Manual clearly calls for Three Bond 1209.

Ken Bowen-Retired MSF RiderCoach

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