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Author Topic: K75 fitting an oil cooler  (Read 393 times)

Offline MEZ

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K75 fitting an oil cooler
« on: October 11, 2023, 03:17:50 PM »
Gone back 10 pages on here with no joy, anyone fitted an oil cooler or remember a thread on one please...???
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  • Angel of the North
  • GS12adv '06, K75 GSadv, CRF500L 'special'

Offline Laitch

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Re: K75 fitting an oil cooler
« Reply #1 on: October 11, 2023, 04:22:44 PM »
What's happening MEZ? Is the engine overheating, the fuel overheating or are you overheating?
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Offline Chaos

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Re: K75 fitting an oil cooler
« Reply #2 on: October 11, 2023, 05:12:34 PM »
Don't think I've ever seen one on a K75.  I know they came with oil coolers and fans on police editions of the R1100 or 1150, but probably the water cooled K bikes negated the need, even on police models.
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  • 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 The Mighty Gryphon

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Re: K75 fitting an oil cooler
« Reply #3 on: October 11, 2023, 07:18:28 PM »
Air cooled engines need oil to cool the cylinder head.  Water cooled engines don't get hot enough to need oil cooling. 

A properly operating water cooling system will run at 210F or less which is at least 30F less than the temperature where oil begins to have problems. 
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  • In my garage in Marilla, NY
  • '91K100RS White/Blue
Current:
'91 K100RS16V "Moby Brick Too"

Past:
'94 K75RT "Ilsa, She Wolf of the SS"
'92 K100RS16V "Moby Brick" (RIP, deceased in a vehicular assault)
'94 K75S Special Edition Dakar Yellow "Cheetos"
'89 K100RS Special Edition "Special Ed"

Offline MEZ

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Re: K75 fitting an oil cooler
« Reply #4 on: October 12, 2023, 03:58:02 AM »
Quote from: Laitch on October 11, 2023, 04:22:44 PM
What's happening MEZ? Is the engine overheating, the fuel overheating or are you overheating?
   hahaha.... I'm definitely overheating and over-compensating I think, someone gifts you an oil cooler and you instantly want to apply it to one of your bikes... My K75 will definitely be going to extreme hotter climates but as mentioned here water cooling (and I have a fuel cooler fitted) should suffice.... Stand down fellow Brickers my other brain cell has been remapped ok.....
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