Author Topic: Downtube dimensions on K75  (Read 3517 times)

Offline Glacial

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  • Posts: 158
Downtube dimensions on K75
« on: February 03, 2015, 08:03:52 AM »
I am interested in the diameter of the downtubes (i.e. frame sections going to the front engine mounts) on my K75S but I don't have a set of calipers to measure it accurately.  Does anyone have the number to hand?


Thanks
  • Cambridge, UK
  • 1990 K75S VIN 0109678
'If this is your mid-life crisis, you are going to live to be 114'

Offline Chaos

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  • Posts: 3157
  • Mars needs women!
Re: Downtube dimensions on K75
« Reply #1 on: February 03, 2015, 08:50:17 AM »
1.260" right above where it bolts onto the top front cylinder head.
  • 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 Glacial

  • ^ Proficient Motobricker
  • Posts: 158
Re: Downtube dimensions on K75
« Reply #2 on: February 04, 2015, 08:49:45 AM »
Thanks, Chaos
  • Cambridge, UK
  • 1990 K75S VIN 0109678
'If this is your mid-life crisis, you are going to live to be 114'

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