Author Topic: Quality oil cooler options?  (Read 420 times)

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Offline Nicklopic

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Quality oil cooler options?
« on: June 26, 2023, 07:56:22 PM »
I am looking into options to add an oil cooler to my 650. Obviously a Lockhart is probably impossible to find so I’m planning to piece it together.
I’m wondering what companies I should look at for the cooler itself? Should I just pick up a factory nighthawk cooler mount that, then handle the adapter and lines of course Or is there a manufacturer you recommend. Just looking for something simple, reasonably small, black with ports pointing downward
My google results are 73 different no name ebay or Amazon parts and then Harley specific stuff mostly
80' CB650
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Offline grcamna2

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Re: Quality oil cooler options?
« Reply #1 on: June 26, 2023, 08:21:38 PM »
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75' CB400F/'bunch o' parts' & 81' CB125S modded to a 'CB200S'
  I love the small ones too !
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Offline seanbarney41

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Re: Quality oil cooler options?
« Reply #2 on: June 27, 2023, 03:17:32 PM »
I think most of the nice set ups I have seen recently started with small automotive coolers.  Figuring out nice plumbing is then the big challenge.  Look at Suzuki oil boiler set ups too.  (Oil boiler = early gsxr, katana, bandit...maybe others?
If it works good, it looks good...

Offline willbird

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Re: Quality oil cooler options?
« Reply #3 on: June 27, 2023, 08:48:41 PM »
I know electrical loading is always a looming issue with stock alternator but I have thought about using a scavenge pump like this to pump oil through a cooler. Might make plumbing a little simpler ?? The pump would pull from the oil tank, pump through the cooler and then circuit would return to the oil tank.

http://purchasenetwork.com.au/shopping/product_info.php/products_id/1738



Offline Tracksnblades1

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Re: Quality oil cooler options?
« Reply #4 on: June 27, 2023, 10:14:06 PM »
Look at images of 2014-2016 CB1100.

Best looking oil cooler and near hidden plumbing you’ll see for a while.

Google 2014 Honda CB1100 oil cooler. eBay usually as them and OEM lines for sale from $120-$170.
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Offline pekingduck

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Re: Quality oil cooler options?
« Reply #5 on: June 28, 2023, 05:24:06 PM »
You might consider the OEM oil cooler setup from a 1983-1987 CB650SC.  It uses bolt-on lines with crimped flexible sections.  They can be found on eBay, often including the adaptor plate for very cheap.   

Offline grcamna2

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Re: Quality oil cooler options?
« Reply #6 on: June 28, 2023, 06:07:09 PM »
You might consider the OEM oil cooler setup from a 1983-1987 CB650SC.  It uses bolt-on lines with crimped flexible sections.  They can be found on eBay, often including the adaptor plate for very cheap.

This oil cooler is for the DOHC CB650 Nighthawk;will the oil filter/adapter plate fit the SOHC CB650 ?
75' CB400F/'bunch o' parts' & 81' CB125S modded to a 'CB200S'
  I love the small ones too !
Do your BEST...nobody can take that away from you.

Offline Nicklopic

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Re: Quality oil cooler options?
« Reply #7 on: June 28, 2023, 07:01:43 PM »
The set up on the cb1100 is really nice. I like how the lines run behind it. I’m tying to find dimmenions of it to see if it will fit. I also found the dohc 750/900 oil coolers. Also similar to the stock nighthawk 650 cooler

The oem set up from the nighthawk doesn’t fit the earlier ones from all I’ve seen. I have a plan for the adapter, I stil may use the 650 cooler though
80' CB650
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Offline grcamna2

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Re: Quality oil cooler options?
« Reply #8 on: June 28, 2023, 07:06:42 PM »
You might consider the OEM oil cooler setup from a 1983-1987 CB650SC.  It uses bolt-on lines with crimped flexible sections.  They can be found on eBay, often including the adaptor plate for very cheap.

This oil cooler is for the DOHC CB650 Nighthawk;will the oil filter/adapter plate fit the SOHC CB650 ?

I like the 650 Nighthawk oil cooler pictured above;looks like it has many rows/passages for efficient cooling.
I would see if you can get a package deal w/ adapter and see how much different it is;you may just be able to fit the part with a custom piece to fit.
« Last Edit: June 28, 2023, 07:10:15 PM by grcamna2 »
75' CB400F/'bunch o' parts' & 81' CB125S modded to a 'CB200S'
  I love the small ones too !
Do your BEST...nobody can take that away from you.

Offline Tim2005

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Re: Quality oil cooler options?
« Reply #9 on: June 29, 2023, 11:19:17 AM »