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My GS1100 Oil cooler conversion with pics:

  • Thread starter Thread starter Road_Clam
  • Start date Start date
Well, unfortunatly the 650's (or at least my 650) does not have anything below the chain tensioner. I believe the sending unit for the oil pressure light is located somewhere on the bottom of the engine on my 650. So that idea is shot LOL.
Look on the oil filter cover. I think you will find the oil pressure sensor there. That doesn't help with regards to finding a source for positive pressure for an oil cooler. Hopefully someone else has figured it out and can enlighten you. You might try the search tool, or start another post and ask questions specific to your model.
 
Did you sell one to Japan?

Did you sell one to Japan?

Geez that's a nice looking engine Tom, how about posting a pic of the rest of your bike? Thanks for posting that pic, I think that'll answer a couple of questions I've just received from other GSR members.

The price of my adapter (complete with gasket, screws, hose fittings etc) is $75.00 US, and I can tap it for an oil temp sender for another $10.00. Airmail Shipping to the US or Canada is $20.00, or $25.00 to Britain and Europe. Cheers, Terry

Terry,
Look what I found on the Yoshimura-JP website. You aren't the only one who thinks the oil lines should attach behind the cylinders.
http://www.yoshimura-jp.com/en/complete/1135r/index.html
 
G'Day Brock, I just replied to your PM, geez, isn't that a magnificent Kat? Beautiful! Well I have to say that I didn't have the original idea of placing the adapter behind the cylinder block though, Derale, Lockhart and Earls were all doing that long before I bought my first GS1000 12 years ago, but when I think about the pros and cons of each option, it does make sense to me, for sure. Cheers, Terry.
 
I fitted Lockhart oil coolers to two GSs.

One was a model 600 fitted to an 850/1100G. I used the supplied adapter plate for the low pressure warning light switch, and routed the hoses behind the airbox and then forward along the frame, to keep them away from the engine.

The other was a model 700, without thermostat, fitted to a 1000S eight-valve, when I lived in Florida. I rigged it the same as the G, and moved the oil temperature sensor to the oil filter cover.

It worked well until I moved to Ohio and rode all winter long. Even with a cover over the cooler, the oil temperature tended to be too low, and after a couple of years, the starter clutch bearing on the left end of the crankshaft failed. I suspect it may be because of poor oil circulation due to insufficient temperature. Maybe not, but I strongly recommend using a thermostat in any case.

On both bikes, I used rubber transmission cooler hose, and replaced it every two years.
 
Thermostat for oil cooler

Thermostat for oil cooler

Lockhart-Phillips no longer makes the oil cooler, but they DO make an external thermostat, I believe the part # is BP 180 (used mostly by Harleys), as in 180 degrees Fahrenheit, which is the point at which it opens and allows oil into the cooler. Otherwise it bypasses the cooler. It installs in both the supply and return line, so oil DOES flow UP as far as the thermostat all the time, only into the cooler above the specified temp. I had a NOS Lockhart from back in the day that got "lost" at my dad's house back in 1979, and I bought another Lockhart that had the thermostat built in that I installed on my 1977 GS 750, which I had to sell when my oldest daughter was 18 mos. old. I found the non-thermostat shortly after, and used it on my 1978 GS 750 (with the external themostat) that I got about 10 years ago. The directions on the cooler suggested running the lines BELOW the engine along the frame rails, but I did't like that idea, so I also ran the lines over the engine like many others here; it also keeps the oil from cooling unnecessarily when the thermo is closed, as the lines get some heat from the engine, and are shielded from the wind by the tank. Works great!
 
hello terry are you still makin the adapters so i dont hav to hunt down an 1150 oil filter plate...if so please send me the info so i can order one from you,thanks 1300ways@optonline.net the bike its for is a 1982 gs1100
 
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G'Day mate, yep, I'm still making them, $75.00 (US $) plus $20.00 for airmail to your door, and they make great post-Christmas presents, ha ha!

I can also do a complete kit with a "refurbished" Lockhart or Derale Cooler, new hoses and hardware etc, that'll set you back $149.00 plus $30.00 airmail, and I've got a nice chrome Lockhart bypass valve that I'll throw in for an extra $50!

I accept Paypal, and my paypal account is the same as my email address, sherriffbuck@yahoo.com Cheers, Terry.
 
fittings

fittings

This is terry adaptor on my 100 running Earls fittings and lines. You have to modify it a little to bring down the pressure switch to the right hieght when you open up the holes for the bigger fittings.


Coolerfittingleftside.jpg
 
the other side

the other side

This is terry adaptor on my 100 running Earls fittings and lines. You have to modify it a little to bring down the pressure switch to the right hieght when you open up the holes for the bigger fittings.


Coolerfittingleftside.jpg

abb3.jpg
.

Had to change from allen head bolts to normal suzuki bolts to make it seal. Just put a alloy plug in the hole and drilled it to suit
 
oil cooler Question

oil cooler Question

The 1150 cover that everyone is talking about needing to install an oil cooler,can I use the cover off of an 1985 1150ef, on 1980 1100L. It looks like bike bandit still has them available for 27.46$. Thanks for all the info Dan
 
The 1150 cover that everyone is talking about needing to install an oil cooler,can I use the cover off of an 1985 1150ef, on 1980 1100L. It looks like bike bandit still has them available for 27.46$. Thanks for all the info Dan

Yes

Dink
 
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