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Oil Cooler

This is a discussion on Oil Cooler within the Technical forums, part of the Caferacer.net Forums category; Anyone have a good place to find a selection of small oil coolers. The only thing I keep turning up is trans coolers for cars ...

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Thread: Oil Cooler

  1. #1
    Senior Member ZouLou's Avatar
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    Oil Cooler

    Anyone have a good place to find a selection of small oil coolers. The only thing I keep turning up is trans coolers for cars which are much larger than I am looking for. Thanks in advance for the help guys.
    1979 Yamaha XS650 Special
    https://www.caferacer.net/forum/topic.asp?TOPIC_ID=12991

  2. #2
    Moderator jbranson's Avatar
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    Bought one very similar to this for my race bike.

    http://store.summitracing.com/partde...5&autoview=sku

    About 5" tall and 8" wide.

    JohnnyB

  3. #3
    Senior Member pampadori's Avatar
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    sv650 cooler is the right size, but don't see them on ebay often.
    http://www.slingshotcycles.com
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  5. #4
    Senior Member HackAsaw's Avatar
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    I have one from a mid/late 80's Yamaha FZ600

    it looks to be the same that came on the XS850's and Seca's

    just checked........ same thing as factory fitted to my Seca Turbo

    3"x9"x1" and set up perfectly for easy three point rubber mounting (two rubber mounts there already and then a nipple at the top/middle

    the hoses have fittings and steel lines so they can be cut and simply splice your own hoses onto them

    you could have it complete with the two hoses/fittings for about 20 shipped to your door in the lower 48

    I also have a couple of the Triumph/BSA Triple units

    same thing used by some of the aviation guys

    more money though
    Accidental inventor of the worlds fastest wearing rocker arms and other edible engine parts! Try my yummy blue cheese camshafts!

  6. #5
    Moderator jbranson's Avatar
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    If it's for a race bike make sure you check the tech requirements for your lines before you install something. Do it right, do it once. If it's for a race bike, don't chance covering your rear tire and the track with oil.
    Here's the installation of the cooler I linked above.
    JohnnyB


  7. #6
    Senior Member HackAsaw's Avatar
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    here are pix of the very readily available for cheap yamaha cooler

    found on many bikes and sized right

    note it accepts AN or JIC type fittings so it will pass tech



    Accidental inventor of the worlds fastest wearing rocker arms and other edible engine parts! Try my yummy blue cheese camshafts!

  8. #7
    Senior Member bmartin's Avatar
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    I've often wondered about using an auto trans cooler as a motorcycle oil cooler - other than the fabrication work, I don't see why one could not be used. Using an oil cooler off another mc like the Yamaha (thanks to Hackasaw's pictures) shouldn't be a problem. Again - its a matter of fab work to get it to work.
    Bob - Palmyra NY
    2 - 69 CB750, 1 Turbo
    1 - 71 CB750

  9. #8
    Moderator jbranson's Avatar
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    I'd lean towards a cooler off a bike. That's what they are made for, they usually have those cushion mounts, and are already setup for the right size lines. I had to fabricate the mounts and such.
    JohnnyB

    PS. I was shooting more for "oil cooling" than an "Oil cooler" if you know what I mean. I was looking to radically reduce oil temps, that's why I went with a large unit.

  10. #9
    Senior Member HackAsaw's Avatar
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    the cooler of a brit triple is vastly huge but it is set up to take clamp on hoses only

    however, it being quite similar to the one you have JB

    I believe screw in pieces can be had to make it accept AN type fittings

    I know for sure such ends can be silver soldered in place

    transmission coolers have been used, most are vastly huge, like the brit triple cooler, and power steering coolers have been used too and are much more sensibly sized

    I guess I have four or five of the power steering coolers

    for most all engines that aren't brutally vicious to their engine oil (and a properly set up brit triple truly doesn't need such a large cooler if any cooler at all) it is possible to have too much cooler and cold engine oil is not a good thing for a street engine

    not great for a race engine but far from as detrimental as a street bike

    btw....... the triple oil coolers have really nice rubber mounts and are quite easy to adapt to others

    that yamaha one is probably one of my favorites

    cheap, easy to find, and easy to mount
    Accidental inventor of the worlds fastest wearing rocker arms and other edible engine parts! Try my yummy blue cheese camshafts!

  11. #10
    Senior Member HackAsaw's Avatar
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    and JB........ really nice work getting that one plumbed into your engine as well as the mounting/hoses

    maybe one day I'll get to come visit and putz about with a broom in your shop
    Accidental inventor of the worlds fastest wearing rocker arms and other edible engine parts! Try my yummy blue cheese camshafts!

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