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1Back to top Go down   K75S - Replacement of Exhaust Header Empty K75S - Replacement of Exhaust Header Sun Apr 23, 2023 12:11 pm

Bruce Petterson

Bruce Petterson
Silver member
Silver member
Wow . . . . unheard of on a K75S the replacement of a exhaust header. After noticing there was a crack in the exhaust header and with the annual BMW Kane Toad Rally held at Mount Perry was looming there was a sense of urgency in regard to getting the exhaust header replaced.  I shopped around for a second-hand exhaust header and fortunately I found one at Chris;s BMW shop at Stafford, purchased it and it cleaned up well.

Not really knowing what to expect when stripping the bike down, I was preparing for the worst and bought exhaust header studs for $1.00 each, exhaust stud nuts at $2.00 each, and exhaust gaskets for $2.00 each along with Optimally TA Paste from Moto Bins in the UK.  A total of $46.50 Including postage.  The order only took two weeks to arrive in Brisbane Australia and I was now was prepared to tackle the task

One of the guys that I ride with Martin was kind enough to allow me to use his hoist, knowledge and tools in order to get the job done.  Once I had removed the belly pan and after using penetrating oil on the nuts and studs it appeared the job may not be as bad as suspected as the nuts we're relatively clean and uncorroded, this was perhaps due to the bike being housed for the majority of its life. Martin and I were able to remove the old nuts and studs without too much difficulty in actual fact with ease.  We were able to replace the header, six new studs, nuts bolted and the exhaust back on and everything was good.   This only took two hours.

Thank you once again K75S - Replacement of Exhaust Header 20230415Martin for the use of his knowledge tools and expertise in order to get the job done prior to the BMW Kane Toad Rally at Mt Perry Queensland in 4 days’ time.

    

MartinW

MartinW
Life time member
Life time member
More piccies the job went well with no complications Bruce has now graduated his first year as an apprentice.

K75S - Replacement of Exhaust Header Bruce_11
K75S - Replacement of Exhaust Header Bruce_12
K75S - Replacement of Exhaust Header Bruce_13K75S - Replacement of Exhaust Header Bruce_14
K75S - Replacement of Exhaust Header Bruce_15
K75S - Replacement of Exhaust Header Bruce_16


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K75s Hybrid
    

moriarti

moriarti
Life time member
Life time member
Looks like a good welder could  save the header, Spare for another bike Smile Smile. Looking at the garage setup and young staff member nothing is impossible. cheers


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1984 k100 rs red/black VIN  0004449
    

MartinW

MartinW
Life time member
Life time member
It wasn't worth chasing a welder as Bruce picked up the header for $50.00. I could have tried to MIG it, but by the time I  purchased stainless wire and gas it would have been around the $50.00 mark. The new studs were an improvement on the old studs, they incorporated an internal Allen key hex allowing easier fitting. 
Regards Martin.


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K75s Hybrid
    

92KK 84WW Olaf

avatar
Life time member
Life time member
Just a little story.....Honda studs and nuts fit our K bikes.....but not their gaskets.


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1992 K100LT 0193214 Bertha Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red 578 bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 689 58,645 now 106,950 miles Deceased.
1983 K100RS 0011157 Fricka 606 Alaska Blue 29,495 miles Damn K Pox Its a Bat outta Hell Now 58,200 miles. 
1996 K1100LT 0233004 Lohengrin Mystic Red 38,000 miles currently 42,640 miles.
1983 K100RS 0004449 Odette R100 colours 58,000 miles. Sprint fairing now 59,460 miles

Past:
1968 Yamaha 80 YG1
1971 Yamaha 125 YAS-1
1968 Honda 125 SS
1970 Honda CD 175
1973 Honda CB500-4
Honda CX 500
    

Point-Seven-five

Point-Seven-five
Life time member
Life time member
I replace the studs and nuts on my bikes with stainless I get from McMaster-Carr. 

BTW, where does BMW get the magnetic copper they make the exhaust nuts out of?


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Present: 1991 K100RS "Moby Brick Too"
 
Past:
1994 K75RT "Ilsa, She Wolf of the SS"
1988 K100RS SE "Special Ed"
1994 K75S "Cheetos"
1992 K100RS "Moby Brick" R.I.P.
1982 Honda FT500
1979 Honda XR185
1977 Honda XL125
1974 Honda XL125
1972 OSSA Pioneer 250
1968 Kawasaki 175
    

MartinW

MartinW
Life time member
Life time member
From Magnetic Island off Townsville in Queensland. It has to be coated with special magnetic woofle dust so the magnetism does not escape.
Regards Martin.


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K75s Hybrid
    

Dai

Dai
Life time member
Life time member
I dig mine up from Electric Hill in Deer Leap Pass near here.


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1983 K100 upgraded to K100RS spec, 1987 K100RT
Others...
1978 Moto Guzzi 850-T3, 1979 Moto Guzzi 850-T3 California,1993 Moto Guzzi 1100ie California
2020 Royal Enfield Bullet 500
    

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