oil cooler

[Rijko]

All the same from 77-82. Just not the third generation 750. I have some of these to sell. $110 per pair shipped to the USA. Overseas contact me for a shipping quote. Dar

Thanks Dar, learning something new here every day

[Sam Dorn]

There are a large number of older threads on this topic. To find them click "advanced search", then type COOLER in the search field and toggle "titles only" then click search.
Here is the results and one such hit. Bottom line: you don't NEED a cooler but it may be useful if you are 1) racing, 2) ride hard in hot conditions.

https://www.thegsresources.com/_forum/search.php?searchid=2670776

https://www.thegsresources.com/_foru...l-cooler-on-gs

These threads are really helpful by the way, just not all of the users know how to search effectively (including me). I used to get all the performance parts from here , but it became a real issue where to find a good oil cooler.

[salty_monk]

There's no need for an oil cooler in Virginia unless you're on a race track...

[Rob S.]

do you have a pic of the cooler?

Get it soon. Sad to say the bike is no longer parked in my living room.

I can't even go and admire it in my boxer shorts anymore. What madness!

[Rob S.]

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Right side.

[Rob S.]

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Left side (Mickey Mouse ears are horns).

[Rob S.]

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Lines snaking between headers (they're heavily insulated). Cooler is up top.

[Rob S.]

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Another look. Cooler is up top (not visible in photo), lines go straight down to either side of the filter cover, where they bolt into inlets that are a part of every '82 and '83 11E engine block.

[salty_monk]

The 8v engine doesn't have those inlets. You need to make an adapter for the oil pressure switch housing. Some run the return into an adapter in the filler hole.

Here is a current thread. https://www.thegsresources.com/_foru...Adapter-Gasket

Nessism has a "how to" on how to make one from a spare cover somewhere.... I may possibly have a spare cover from an engine I broke up years ago. Yours if you want it.

[80GS1000]

I would agree that most stock GS motors don't really need oil coolers. Built performance motors or those run hard in hot conditions need the extra cooling capacity.

[TeamDar]

The 8v engine doesn't have those inlets. You need to make an adapter for the oil pressure switch housing. Some run the return into an adapter in the filler hole.

Here is a current thread. https://www.thegsresources.com/_foru...Adapter-Gasket

Nessism has a "how to" on how to make one from a spare cover somewhere.... I may possibly have a spare cover from an engine I broke up years ago. Yours if you want it.

Do not run your return line from the cooler into the the oil filler cap! Doing so will destroy your engine. The oil is picked up in the sump and pressurized by the pump. It is filtered, run through the cooler, and returned to the oil galleries of the engine. If you choose to just return the oil from the cooler to the sump through the oil fill cap you are not pressurizing the oil passages that lubricate the engine! If you see a return hose going into the oil filler cap, it is usually a return hose from a turbocharger or a breather hose to evacuate crankcase pressure. Dar

[Cwoods]

Ok so the 81' 1100e I am going through has a Deraile oil cooler mounted on it. My plan was when I get to that area to make up some better mounting brackets, add steel braded lines, make sure the lines are nowhere near the headers and of course clean up filter cover of the mess that remains after a thorough degreasing of the entire bike.
May I ask if the way its plumbed is correct by the picture? Also is there a gear count known for the 750 oil pump upgrade or another way I can tell if it's been done when I check it out? I live in Alaska and wont be taking the bike to a track...just enjoying it as a comuter. Been wondering if I should just pick up a different cover and nix the cooler idea all together. But then again if its helpful it would look cool all cleaned up with pretty stainless lines on it and I know cool factor makes a bike faster......that's my story any hoo.

[TeamDar]

Yes that looks correct. Gear tooth count is 38-29. I have some for sale.

https://www.thegsresources.com/_forum/showthread.php?243282-Gs-1100-1150-1000-850-high-volume-oil-pump-gears

[Cwoods]

Yes that looks correct. Gear tooth count is 38-29. I have some for sale.
https://www.thegsresources.com/_foru...oil-pump-gears

Thanks for the input, I will check out what is in the bike and if needed I will get with you for those gears.

[Rob S.]

Ok so the 81' 1100e I am going through has a Deraile oil cooler mounted on it. My plan was when I get to that area to make up some better mounting brackets, add steel braded lines, make sure the lines are nowhere near the headers and of course clean up filter cover of the mess that remains after a thorough degreasing of the entire bike.
May I ask if the way its plumbed is correct by the picture? Also is there a gear count known for the 750 oil pump upgrade or another way I can tell if it's been done when I check it out? I live in Alaska and wont be taking the bike to a track...just enjoying it as a comuter. Been wondering if I should just pick up a different cover and nix the cooler idea all together. But then again if its helpful it would look cool all cleaned up with pretty stainless lines on it and I know cool factor makes a bike faster......that's my story any hoo.

So the 1981 11E, unlike the '82 and '83, was not designed to have cooler added? Those two bolts on the sides of the filter cover...?