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1Back to top Go down   K100 RS Throttle Body Shaft Thread Size Empty K100 RS Throttle Body Shaft Thread Size on Tue Jun 23, 2020 8:08 am

Brett Glover

Brett Glover
active member
active member
Hey all trying to replace a damaged nut from throttle body 3 on my 87 k100 rs. My verniers tell me approx 25 threads per inch and 8mm diameter. I assumed it was M8 x 1.00mm but when I try to screw a similar nut on a shaft it does not seem to fit? Can anyone please inform me of the thread size on the end of the butterfly shafts for the Half nut

    

moriarti

moriarti
Gold member
Gold member
Most likely M8 1.5/1.25


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1984 k100 rs red/black VIN  0004449
    

Gauntlett

Gauntlett
active member
active member
Namrick fasteners have just about everything, for the cost get both, speedy delivery Ive had a few bits from them

    

Two Wheels Better

Two Wheels Better
Moderator
Moderator
In tap & die sets there's a thread pitch gauge. Or get one separately from a tools supplier or auto parts shop. It's an essential tool in any garage except the ones that only store surfboards.  Wink
K100 RS Throttle Body Shaft Thread Size Thread10


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Sometimes I lie awake at night, and I ask, "What can I do to keep my life from going by so fast?" Then a voice comes to me that says, "Try slowing down at the corners." 

~Charlie Brown

1970 R60/5, '77 R75/7-R100, '85 K100'87 K75C, '87 K100RS, '93 K11-K12 Big Block, '93 K1100RS, '95 R100-Mystic, '96 K1100RS, '98 K1200RS, '00 K1200RS, '02 K1200RS, '03 K1200GT, '04 R1150R'04 R1150RT, '05 K1200S, '06 K1200R, '07 K1200R, '09 K1300GT & 2013 R1200RT-Polizei  - Beemers owned still or sold.

    

chris846

chris846
Life time member
Life time member
M8 x 1.0
...but left hand.....?

(I could be up for my second pint of Guinness here, woohoo!)


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Sometimes I'm not really Suzi Quatro.
    

Two Wheels Better

Two Wheels Better
Moderator
Moderator
@chris846 wrote:M8 x 1.0
...but left hand.....?

(I could be up for my second pint of Guinness here, woohoo!)
Multiple Guinness....Giunnai? I can never, ever have just one. Down my local they have US pints (16oz) and a proper pint. The waitstaff (well, when they were open for bidness) always just handed me the 20oz version, no questions asked. It's barely the crack of noon here soon, but I might have to run down to the packy (New Englander for package store or bottle shop), grab a sixer and blow the froth off a few.


__________________________________________________

Sometimes I lie awake at night, and I ask, "What can I do to keep my life from going by so fast?" Then a voice comes to me that says, "Try slowing down at the corners." 

~Charlie Brown

1970 R60/5, '77 R75/7-R100, '85 K100'87 K75C, '87 K100RS, '93 K11-K12 Big Block, '93 K1100RS, '95 R100-Mystic, '96 K1100RS, '98 K1200RS, '00 K1200RS, '02 K1200RS, '03 K1200GT, '04 R1150R'04 R1150RT, '05 K1200S, '06 K1200R, '07 K1200R, '09 K1300GT & 2013 R1200RT-Polizei  - Beemers owned still or sold.

    

Brett Glover

Brett Glover
active member
active member
Well the correct answer goes to Chris 846.I think I might have been on the Guinness also? I confirmed it is in fact M8 x 1.00mm but for some reason on Throttle Body 3 the thread is left hand. Feel a bit silly for overlooking that.
So after many phonecalls today I cannot for the life of me source a M8 x 1.00mm Half Nut with left hand thread. open to suggestions

    

chris846

chris846
Life time member
Life time member
It's because the throttle linkage is attached to that spindle and would tend to unscrew a RH thread - same applies to throttle 2 on a '75. Reason I know? - 'cos I almost destroyed a spindle trying to screw the nut back on the 'right' way when I swapped the throttle quadrant over on the K75k. You learn from your mistakes they say, well I graduated from the School of Mistakes.
If you're struggling for a nut, I could send you a spare?


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Sometimes I'm not really Suzi Quatro.
    

Brett Glover

Brett Glover
active member
active member
Chris, I understand now as to why, just feel like a dick for not recognizing earlier. But as you say we learn from our mistakes.
I would love it if you could send me a nut. If you message me I will transfer some money to you to cover postage and nut costs, and maybe a few Guinness.
Appreciate the help

    

Brett Glover

Brett Glover
active member
active member
Chris,

I found some in the UK on UK Ebay. Had to buy 5 but hey. I really appreciate your offer and advice. Cheers.

    

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