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Thread: Oversized ATC250R Radiators issue. Please Help!

  1. #1
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    Oversized ATC250R Radiators issue. Please Help!

    Greetings fellow trikers. I am having an issue and wondering if any of you out there using these China made aftermarket oversized radiators have had this issue as well.

    The radiator "cages" are hitting the bottom of the radiator. I'm wondering what the solution is?

    A small bracket to keep the "cage" away from the rads?

    Dinging a dent in the radiator?

    Placing a piece of rubber around the "cage" so it's rubber on metal?

    What can be done? I really like the looks of these radiators, plus they are oversized which will be great for keeping the big girl cool.
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  2. #2
    86125m is offline Got The Holeshot Arm chair racerJust too addicted
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    Ok I would probably make a small bracket to make the guard stick out a little. Go to home depot and get and aluminum bar about the right height and thickness and make the bracket. Of course I do not have a 250r so I really do not understand why the guard hitting the rad is that big of a deal I would weight and let one of the 250r fanatics chime in.

  3. #3
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    Is that a bead of weld hitting if so could you file it down a little. Also could you make the hole on the bottom egg shaped to move the bottom back a little. I haven't had the rads off a liquid in awhile. Could you bend the lower corner of the bracket forward. Doesn't look like you need much clearance.
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  4. #4
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    ^this x2....it looks like a thick weld that you can knock down.
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  5. #5
    Mosh is offline I'm the one with all the 2 stroke around here! The day begins with 3WW
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    Slot all four bolt holes on the rad with a dremel and a stone, so it can slide back 1/4 inch and run it. Should be enough material on the rad mounts to move those bolts back almost a 1/4 inch
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  6. #6
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    I would ask how hard it is pressing against the aluminum? If it is barely touching it, just leave it. Your rubber solution might be fine. If there is a lot of pressure, I would follow Mosh's suggestion. You might be able to slot it up a bit rather than back. I wouldn't file down the welds and risk opening a pin hole. Aluminum welds can have hidden holes and you don't want to risk opening one up. Finally, you might just try riding it a bit and eventually check to see if there is significant wear on the radiator. Perhaps there will not be a lot of movement between them to create a problem.

  7. #7
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    Thanks for all the help and suggestions guys. Mosh - good thinking - I will try it and report back. christph - It is pressing on it pretty hard. I feel it would take a bit of time to wear thru, however, I don't want to deal with it down the road - mainly while out in the middle of the desert. I want to make it right from the get go. Thanks again all!
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  8. #8
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    Well - I eggeed out the holes in the radiators and still could not get the clearance I needed. I will have to make a small bracket to move the rads back about 3/8". I have them temporarily "pinched" using washers - but will have to make brackets. I'll update once I get them made.
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  9. #9
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    It's a bit more work, but you could also ditch the tubular radiator frames altogether, and mount the radiators directly to the frame. This will also allow a switch to modern style "louvered" radiator guards. Here are some pics of my stock radiators modified as described.
    Attached Thumbnails Attached Thumbnails LRad.JPG   Fork Bleeders.JPG  
    Last edited by Red Rider; 03-09-2016 at 03:30 PM.
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  10. #10
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    Nice, just like a CR250

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  11. #11
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    That is really nice work Red Rider. I think I have my solution using just a small homemade bracket with two holes in it - but again - top notch. You even welded the tab on for the shroud.
    RIP - Yamahondaman!! You will never be forgotten!
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  12. #12
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    Quote Originally Posted by onformula1 View Post
    Nice, just like a CR250
    Or maybe it should be called a 3R250R.

    Quote Originally Posted by atctim View Post
    That is really nice work Red Rider. You even welded the tab on for the shroud.
    Thank you sir. Well of course there's a tab for the shroud. I can't have the shroud flappin' in the breeze like one of Barnett's Tecates.
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  13. #13
    barnett468 is offline FACT ! I have no edit button Arm chair racerThe day begins with 3WW
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    Quote Originally Posted by Red Rider View Post
    Well of course there's a tab for the shroud. I can't have the shroud flappin' in the breeze like one of Barnett's Tecates.
    The only reason The TECATE...The Most Powerful 3 Wheeler In The Universe would be "flappin in the breeze" is because of its uber light chassis made from prefabulated amulite, unlike the atc250r which is only capable of flying about as far as a 1959 Cadillac Biarritz due to its obesity and "recreational" level power produced by its lethargic engine.


    CORRECTION

    My deepest and most sincere apologies . I did actually hear of one Honda which was ridden by Marty Hart that flew thru the air with the greatest of ease....because it got blown off the track so hard by....wait for it......The TECATE...The Most Powerful 3 Wheeler In The Universe . Hear all about it at the 10 second mark in the very entertaining video below as the announcer unsympathetically says, "They rolled him over in a field of green".


    https://www.youtube.com/watch?v=r9E9OaUllsY


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  15. #15
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    Quote Originally Posted by Red Rider View Post
    Or maybe it should be called a 3R250R.
    I have my own nickname for your trike,,,,But it is against the rules to post it here!
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