Author Topic: black mac  (Read 9818 times)

Offline Chaos

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black mac
« on: November 12, 2011, 09:19:44 PM »
Just scored a NOS never used black MAC slip-on for my K75s for $90 on ebay!  Delivered today, riding tomorrow.  My old Lufty was about ready to puke it's guts, this is a godsend (hate the stocker, ucking fugly and sounds like a frigging sewing machine) And it came packed in newspapers from 11/91, anyone need a wired cell?
  • sw ohio
1987 K75S    VIN 0231
Original owner, Original litter
200,000 miles (plus or minus) and 5 paint jobs
sold 6/23
2023 Ural 2WD sidecar (BMW's bastard step child)

Offline johnny

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Re: black mac
« Reply #1 on: November 12, 2011, 09:30:03 PM »
wow chaos that is a tremendous score...

gotta post up a photo once you get it dialed in...

i had a nec bag phone before the motorola flipp phone... those were the days... lost track from there...

j o
  • :johnny i parks my 96 eleven hundert rs motobrick in dodge county cheezconsin  :johnny

Offline Chaos

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Re: black mac
« Reply #2 on: November 12, 2011, 11:33:06 PM »
My bike has a clean part on it! ;D  Mellower than the luftmeister, I'm a happy camper.  Those old Motorolas are called bricks too.  Must mean sumptin.
  • sw ohio
1987 K75S    VIN 0231
Original owner, Original litter
200,000 miles (plus or minus) and 5 paint jobs
sold 6/23
2023 Ural 2WD sidecar (BMW's bastard step child)

Offline frankenduck

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Re: black mac
« Reply #3 on: November 12, 2011, 11:37:43 PM »
Those were the high tech days.  Motorola had come out with the flip phone by then.
Once I had a Collie pup. Dug a hole and covered him up. Now I sit there by the hour. Waiting for a Collie-flower.
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Offline DRxBMW

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Re: black mac
« Reply #4 on: November 13, 2011, 04:54:40 PM »
My bike has a clean part on it! ;D  Mellower than the luftmeister, I'm a happy camper.  Those old Motorolas are called bricks too.  Must mean sumptin.

Curiosity ? did your R&R with a new mica type material OEM BMW header gasket ?  One time use only for the old one, ___  flakes off upon removal. 

If NOT, you may suffer downhill backfire pops around 2500 to 3000 K on the tach.  75's "all do that" to certain extent but worse if you cheap out on the gasket. BTDT

Ya, Lufty is a howling bitch when you open it up. Ha, I ran a Supertrapp for 2 years, too LOUD, reverted to stock after annoying my neighbors.  Hardley Ablesome pirates thought it was cool though.

I remember those BIG phones in a bag, read a blast from the past.

Gary
Williamsport,Pa

1994 K 75 ABS "custom"
2005 F 650 GS

Offline johnny

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Re: black mac
« Reply #5 on: November 13, 2011, 05:04:14 PM »
rescue tape gasket... yawl...

j o

  • :johnny i parks my 96 eleven hundert rs motobrick in dodge county cheezconsin  :johnny

Offline DRxBMW

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Re: black mac
« Reply #6 on: November 13, 2011, 06:43:09 PM »
rescue tape gasket... yawl...

j o




been there got the T shirt/hamburger.  OEM is better in spite of the K robbery price from BMW.  

duuno, a cut up aluminum can DIY/homegrown fabricated "cheap bastard solution" functions quite well. Minor back-snapping but vastly improved from NO gasket at all.  

Ever dick with an intake setting ?  I have !  Balanced on a flow bench, read experienced wrench twisters ONLY ! TPS setting is worthy of a chase, you should hear a click when it shuts down below 2000 K.


Gary
Williamsport,Pa

1994 K 75 ABS "custom"
2005 F 650 GS

Offline Chaos

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Re: black mac
« Reply #7 on: November 13, 2011, 08:21:02 PM »
My bike has a clean part on it! ;D  Mellower than the luftmeister, I'm a happy camper.  Those old Motorolas are called bricks too.  Must mean sumptin.

Curiosity ? did your R&R with a new mica type material OEM BMW header gasket ? 



Haven't had a gasket there of any sort since I put a SuperTrapp P.O.S on it back in '88. Backfiring isn't a problem so I never worried about it.  I think CC messed with the airflow (they had a dyno at the rally) but that was a long time ago.  I figure, short of nitrous or a turbo there's no easy way to get much more ooomph out of that lump.  So if I can't make it fast, at least I can make it look & sound cool.  Couple hp up or down doesn't really matter. 
  • sw ohio
1987 K75S    VIN 0231
Original owner, Original litter
200,000 miles (plus or minus) and 5 paint jobs
sold 6/23
2023 Ural 2WD sidecar (BMW's bastard step child)

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