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post #1 of 62 (permalink) Old 06-02-2016, 11:30 AM Thread Starter
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660 radiator

Looking for a better cooling radiator than stock. Any recommendations?
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post #2 of 62 (permalink) Old 06-03-2016, 06:48 AM
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yeah, put a 700 fan and shroud on your 660 oem radiator and buy a cdi that retards the timing instead of advancing it and then clean your radiator of all the mud after each ride and you will never run hot....

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post #3 of 62 (permalink) Old 06-03-2016, 08:59 AM Thread Starter
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thanks for the info. I have a cdi, clean my radiator all the time. I think its more with fan and sensor. Fan cuts out when hot, on-off, on-off
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post #4 of 62 (permalink) Old 06-03-2016, 12:53 PM
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yeah, put a 700 fan and shroud on your 660 oem radiator and buy a cdi that retards the timing instead of advancing it and then clean your radiator of all the mud after each ride and you will never run hot....
Will a fan and shroud from, say a 2008 700, fit directly to the radiator of a 2005 660? Direct bolt on or modifications needed?

thanks...
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post #5 of 62 (permalink) Old 06-03-2016, 01:21 PM Thread Starter
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Originally Posted by Camshaw View Post
yeah, put a 700 fan and shroud on your 660 oem radiator and buy a cdi that retards the timing instead of advancing it and then clean your radiator of all the mud after each ride and you will never run hot....
Will a fan and shroud from, say a 2008 700, fit directly to the radiator of a 2005 660? Direct bolt on or modifications needed?

thanks...
one of my questions too, also how to tell the cdi I have, if it retards or advances timing. bought rhino that way
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post #6 of 62 (permalink) Old 06-03-2016, 01:29 PM
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Originally Posted by Camshaw View Post
yeah, put a 700 fan and shroud on your 660 oem radiator and buy a cdi that retards the timing instead of advancing it and then clean your radiator of all the mud after each ride and you will never run hot....
Will a fan and shroud from, say a 2008 700, fit directly to the radiator of a 2005 660? Direct bolt on or modifications needed?

thanks...
one of my questions too, also how to tell the cdi I have, if it retards or advances timing. bought rhino that way
If you go to "cheapcycleparts.com" and look up a "blower assembly" for a 2005 (660) and 2009 (700), the pictures show a larger, more complete, shroud for the 700 but it has different mounting points than the 2005 660. In my opinion it won't work without modifying the radiator mounts. However, I have not taken that close a look at my 2005 660 radiator. MAYBE the holes/mounts are already there but I highly doubt it.

Can't help you on the cdi. This is my first Rhino and I'm just learning about them.

UPDATE - Just watched a video at TCP performance. They make an aluminum shroud that bolts directly to the stock fan and radiator. The shroud covers the entire core so when it comes on it pulls air over the entire core surface. It looks very nice and it is $99.95, shipped.

Last edited by ScottH; 06-03-2016 at 02:47 PM.
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post #7 of 62 (permalink) Old 06-03-2016, 03:18 PM
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I think the oem 700 shroud will bolt upto the 660 radiator, the flange is there, all the after market shrouds dont work as good and dont flow as much air as the 700 oem set up, its tapered and fits nicely...

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post #8 of 62 (permalink) Old 06-03-2016, 03:25 PM
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I think the oem 700 shroud will bolt upto the 660 radiator, the flange is there, all the after market shrouds dont work as good and dont flow as much air as the 700 oem set up, its tapered and fits nicely...
The flange may be there but are the holes?

Also, I'm not arguing with you just relaying what the guys at TCP said. Which is that their shroud actually sits a little further away from the radiator core than the OEM 700 shroud does. This allows air to move through the radiator a little better than the 700 OEM. Their words not mine. A bigger concern is how much would an OEM 700 fan and shroud cost, even on ebay?
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post #9 of 62 (permalink) Old 06-05-2016, 10:33 AM Thread Starter
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yeah, put a 700 fan and shroud on your 660 oem radiator and buy a cdi that retards the timing instead of advancing it and then clean your radiator of all the mud after each ride and you will never run hot....
Hey camshaw,i could use alittle more info on the 770 fan. the 660 mounts vert. while the 700 mounts horz. Thought about replacing radiator to match fan but that mounts diff also. I can mod a bracket to remount 700 radiator easier but where is the sensor on the 700 radiator? Also how to tell what cdi box I have (advance or retard timing) ? I know its a Moose but have to take it out to know more. Thanks for any help.
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post #10 of 62 (permalink) Old 06-05-2016, 10:52 AM
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I think the oem 700 shroud will bolt upto the 660 radiator, the flange is there, all the after market shrouds dont work as good and dont flow as much air as the 700 oem set up, its tapered and fits nicely...
The flange may be there but are the holes?

Also, I'm not arguing with you just relaying what the guys at TCP said. Which is that their shroud actually sits a little further away from the radiator core than the OEM 700 shroud does. This allows air to move through the radiator a little better than the 700 OEM. Their words not mine. A bigger concern is how much would an OEM 700 fan and shroud cost, even on ebay?
After following this I checked ebay and $100 free shipping complete fan and shroud from a 700

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post #11 of 62 (permalink) Old 06-05-2016, 11:12 AM
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As AZVD said, putting a 700 fan and shroud on a 660 radiator is horizontal vs vertical and if you look at a 660 radiator the holes to mount the 700 shroud are not there. Not trying to be argumentative, just don't see how it will work. Really appreciate you checking on the price however!
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post #12 of 62 (permalink) Old 06-05-2016, 03:56 PM
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I bought this one to tryout on my rhino.

Yamaha Rhino Radiator Fan Shroud Aluminum Bolt on No More Overheating | eBay

Just installed it yesterday, holes all line up mounting it was easy. No clue if it will help though as I haven't taken it out yet.
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post #13 of 62 (permalink) Old 06-05-2016, 04:46 PM Thread Starter
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I bought this one to tryout on my rhino.

Yamaha Rhino Radiator Fan Shroud Aluminum Bolt on No More Overheating | eBay

Just installed it yesterday, holes all line up mounting it was easy. No clue if it will help though as I haven't taken it out yet.
saw the same thing, let me know if it works
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post #14 of 62 (permalink) Old 06-05-2016, 06:05 PM
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I bought this one to tryout on my rhino.

Yamaha Rhino Radiator Fan Shroud Aluminum Bolt on No More Overheating | eBay

Just installed it yesterday, holes all line up mounting it was easy. No clue if it will help though as I haven't taken it out yet.
You said, "All the holes line up" so please clarify something for me... Did you use your OEM fan, the OEM radiator, and simply bolted this shroud between the two?

Also, in the picture on EBay, it appears there is somewhat of a 'tunnel' in the center of the shroud. Is that so and could you post a picture of your install please?

Thanks...
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post #15 of 62 (permalink) Old 06-05-2016, 06:19 PM
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Originally Posted by Karlburns View Post
I bought this one to tryout on my rhino.

Yamaha Rhino Radiator Fan Shroud Aluminum Bolt on No More Overheating | eBay

Just installed it yesterday, holes all line up mounting it was easy. No clue if it will help though as I haven't taken it out yet.
You said, "All the holes line up" so please clarify something for me... Did you use your OEM fan, the OEM radiator, and simply bolted this shroud between the two?

Also, in the picture on EBay, it appears there is somewhat of a 'tunnel' in the center of the shroud. Is that so and could you post a picture of your install please?

Thanks...
Rhinos not with me so I can't get you a picture.

Yes to your question though of just mounting it between the oem radiator and fan. It's not really a tunnel just a bad shadow in the picture. It's just a flat piece of aluminum with roughly a 1/2" lip to create space for airflow.
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