BMW K bikes (Bricks)


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51Back to top Go down   Rear Main Seal Leaking - Page 2 Empty Re: Rear Main Seal Leaking Tue Aug 03, 2021 12:08 pm

Laitch


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bmwk100rs wrote:Everywhere, the initial torque recommended is 140 N-m, but is the final one 60 N-m or 90 N-m?
Just to elaborate on daveyson's explanation—because I have expended considerable effort spacing commas correctly—sometimes submission to authority is the way to go. Stick with torque values for simplicity.

Here's the torque table from the Clutch chapter of BMW's K75/100 2V service manual onsite. What this means is after the initial tightening and release, you have a dizzying array of Newton meter choices—90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, or 114. If you have a lucky number among that array, now's the time to use it. Anything below 90—including 60—is not part of the fun.

I hope I understand what you're after; I seem to be encountering comprehension obstacles tonight.

Rear Main Seal Leaking - Page 2 Scree161

    

52Back to top Go down   Rear Main Seal Leaking - Page 2 Empty Rear main seal Tue Aug 03, 2021 12:10 pm

daveyson

daveyson
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The BMW manual says 100Nm plus 14 or minus 10. No angle setting is mentioned.

The way I read that, you want to be between 100 and 114, I'd go 114.


__________________________________________________
11/1985 BMW K100RT (late model)  Vin. 0090567
 ~120,000 km
    

53Back to top Go down   Rear Main Seal Leaking - Page 2 Empty Re: Rear Main Seal Leaking Tue Aug 03, 2021 1:11 pm

Laitch

Laitch
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daveyson wrote:The way I read that, you want to be between 100 and 114, I'd go 114.
Some like it tight, others not. There's something for everyone between 90 and 114. Step right up!


__________________________________________________
1995 K75 90,000 miles
    

54Back to top Go down   Rear Main Seal Leaking - Page 2 Empty Re: Rear Main Seal Leaking Tue Aug 03, 2021 1:35 pm

bmwk100rs

bmwk100rs
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Laitch wrote:I hope I understand what you're after

I should have elaborated more.  Several videos like the ones below, show people using a torque angle gauge. They stop at 50 N·m and then rotate the nut 60° degrees.  It seems that using just a torque wrench and tighten it between 90 and 114 Nm is sufficient. Then, let's forget about the torque angle gauge.

https://youtu.be/i6ImhkgBoh4?t=260

https://youtu.be/2gfWQ7Mzy7I?t=1604

https://www.amazon.com/gp/product/B07D74QP6N/ref=ox_sc_act_title_1?smid=A1HTURR3TNQJ53&psc=1



Last edited by bmwk100rs on Tue Aug 03, 2021 4:43 pm; edited 3 times in total

    

55Back to top Go down   Rear Main Seal Leaking - Page 2 Empty Re: Rear Main Seal Leaking Tue Aug 03, 2021 2:22 pm

Laitch

Laitch
Life time member
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bmwk100rs wrote:However, you guys are pretty much saying, just use a torque wrench and tighten it between 90 and 114 Nm. 
I am not saying that. The BMW service manual is directing me to do that after the initial tightening and release. I'm just an instruction-following drone.  Smile


__________________________________________________
1995 K75 90,000 miles
    

56Back to top Go down   Rear Main Seal Leaking - Page 2 Empty Clutch boot and lever Wed Aug 04, 2021 12:07 pm

bmwk100rs

bmwk100rs
Silver member
Silver member
In Chris Harris' video below the clutch boot stays attached to the lever when the lever is pull down. However, that is not the case with mine. Is the boot suppose to create a tight seal with lever or will that happen once the clutch cable is connected and the lever is lifted.

https://youtu.be/YCnQE4vQTcs?t=270

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