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Old Mar 14th 2017, 10:05 AM   #51
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+1, Interested in retaining M3 thread solution for horizontal cyl head.
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Old Mar 14th 2017, 11:37 AM   #52
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Will cut the threads into the bolts I have here and ship them out.

Upside of minimum order quantities...

I am back at work tomorrow and should be able to use one of the 2 lathes there.

In the meantime, if you are in a hurry to get those installed and have an M3 tap, you could give it a shot yourselves. If it doesn't work out, the ones from me are coming.
Thanks from Twistedracer and GunMoto
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Old Mar 15th 2017, 05:11 PM   #53
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Cut the first m3 thread today. First 5 mm were fine. Then, a bit deeper was ok. Other direction- snap. Tap broke off. Toolshop guy not happy. Will come back tomorrow.
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Safety-wired Valve-cover bolts for 959/1299-img_9391.jpg   Safety-wired Valve-cover bolts for 959/1299-img_9392.jpg  
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Old Mar 15th 2017, 05:12 PM   #54
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Btw- this is why the safety wire is relevant: (my bike- pic taken tonight)
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Old Mar 15th 2017, 05:18 PM   #55
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Originally Posted by Phl View Post
Btw- this is why the safety wire is relevant: (my bike- pic taken tonight)


I agree. My old s with 8k miles had 4/10 that were loose
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Old Mar 16th 2017, 06:27 AM   #56
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went through the bolts, some are M3, some turn out to be M2.5

could you please check and report back to me what yours are so i can ship replacements accordingly?

thanks,

Phil
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Old Mar 16th 2017, 07:21 AM   #57
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I'll check this weekend when I get back in town.
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Old Mar 16th 2017, 09:36 AM   #58
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Originally Posted by Phl View Post
could you please check and report back to me what yours are so i can ship replacements accordingly?
1299 valve cover bolts threaded with:

1. GunMoto - M2.5 (EDIT: all 4 bolts received are m2.5)
2. Twistedracer - ???
3.
4.
5.
6.
7.
Attached Thumbnails
Safety-wired Valve-cover bolts for 959/1299-dsc_2661.jpg  

Last edited by GunMoto; Mar 16th 2017 at 11:09 AM.
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Old Mar 16th 2017, 10:13 AM   #59
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Unhappy ohhh man...

Dear Phl

Now the chaos seems to grow even more....
My 8 bolts have M3. I can't check the other 8, 4 went to Sutki, 4 to a friend of mine.

The regular hex bolts are too short, they fit 1199, but not 1299.
They should be 37mm instead of 33mm because of the thicker valve covers of the newer bikes.
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Old Mar 16th 2017, 10:20 AM   #60
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oh lordy ...

would it work to use the cylindrical head bolt (xxx641) instead? that should have the right length for the 1299 covers.

how much thread interlock are we looking at here?
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