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PostPosted: Sun Feb 18, 2018 1:10 am 
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Joined: Sat Apr 22, 2006 9:15 am
Posts: 793
Location: Central Coast, N.S.W, Australia
Ok I got a water cooled head off a Aussie counterpart ( Danno ) Thanks Danno

I am looking for a little info on it please. And I am plan to fit it up run it on Oddy 2

Also any info on radiator type and fan / no fan

and Water pump or no water pump

Any info would be great.

see Pics

Wyeeoddy


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PostPosted: Sun Feb 18, 2018 2:45 am 
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Joined: Tue Jan 17, 2012 3:19 am
Posts: 7698
Location: Hope, B.C Canada
It don't look like a Hillside, leckich, Rands, BV, or Bob Goodenough head.
The "cooling fins" cut into the side of it throw me off the trail.
I give up -- anyone else ??


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PostPosted: Sun Feb 18, 2018 5:07 am 
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Joined: Wed Jan 14, 2009 2:10 am
Posts: 4678
Location: Carson City NV
I have never seen that exact FL350 head either. It does remind me of one of the AftershotMotorSpurts models though.

As far as a radiator, I would use a Banshee radiator. It has a vertical configuration if you want to use it in thermosiphon mode and it fits in the cage nicely. You can get brand spanking new heavy duty Banshee radiators for a fair price of around 70 bucks.

As far as fan or no fan, I have ran them in both configurations.

If you plan on running at low speeds or mounting the radiator in an area that will have a restricted air flow, run the fan and a thermostat. I had a thermostat on mine and I think it came on just a couple of times. I wound up changing the fan to an on demand switch. This works nice if you want to cool the top end down quickly after a hard run without the Engine running.

As far as pump or no pump, I have ran both ways and here is my take on each.....

Pump mode:

Pros: It does make it nice to be able to circulate the water quickly for a fast cool down.
Cons: Unless you install a thermostat into the system, a pump will circulate the water continuously which make warm up time a bit slow. You could configure the pump on a manual switch but there is the chance of forgetting to turn it on. There is also the chance of pump and or switch failure.

Thermosiphon Mode:

Pros: No moving parts and fast warm up of the head.
Cons: The water circulates slowly which will make cooling response time much slower.

Rand


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PostPosted: Sun Feb 18, 2018 5:38 am 
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Joined: Tue Jan 17, 2012 3:19 am
Posts: 7698
Location: Hope, B.C Canada
I second Randman's comments.

The only thing I would like to add is that my brother and I both noticed that the oddys run better the colder they are. Our machines run at 120'F because we run a car radiator (Honda civic). When I placed a piece of cardboard in front of the rad to bring up the temps you could feel the power loss. So we run them at 120'F. No issues yet.

You live in a desert type environment so my call is run a pump. Randman lives in the desert too so I can't argue with his reasoning. Pump is just my bias. I don't trust that thermo syphon idea. After all -- how FN hot does it have to get to finally move some water ??

Fan on a switch because of where you live and ride, would be my bias.


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PostPosted: Sun Feb 18, 2018 8:13 am 
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Joined: Sat Apr 22, 2006 9:15 am
Posts: 793
Location: Central Coast, N.S.W, Australia
Randman and CO

Thanks for your input I will go the Banshee Rad

? do you run a over flow bottle with the Banshee rad.

Looking @

40mm Aluminum Alloy Radiator For YAMAHA ATV BANSHEE YFZ350 1987-2007

Size of Moto Radiator:

Core size(mm):305 Height × 208 Width × 40 Thickness

Overall size(mm) : 475 Height × 293 Width × 82 Thickness

Inlet/Outlet size: Φ19 mm / Φ19 mm

Wyeeoddy


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PostPosted: Sun Feb 18, 2018 8:18 am 
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Joined: Sat Apr 22, 2006 9:15 am
Posts: 793
Location: Central Coast, N.S.W, Australia
In line Thermostat

Derale Inline Fan Thermostat 180 Degrees On/165 Degrees Off

https://www.ebay.com.au/itm/Derale-Inli ... Sw4DxahlX2

Thoughts

Wyeeoddy


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PostPosted: Sun Feb 18, 2018 1:22 pm 
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Joined: Wed Jan 14, 2009 2:10 am
Posts: 4678
Location: Carson City NV
Yes, I ran an overflow bottle.

There have been two that I tried. One was from a banshee and the other was from a Polaris Outlaw 500.

Here is one of my Outlaw bottle setups.

Rand


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PostPosted: Sun Feb 25, 2018 7:10 am 
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Joined: Sat Apr 22, 2006 9:15 am
Posts: 793
Location: Central Coast, N.S.W, Australia
What temps should I be looking at for the thermo fan to cut in and out please. ball park is fine


My Radiator arrived the other day. time to fab up some mounts

wyeeoddy


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PostPosted: Sun Feb 25, 2018 1:27 pm 
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Joined: Wed Jan 14, 2009 2:10 am
Posts: 4678
Location: Carson City NV
First off, my temps on average were approximately 140 to 150 deg F.

My first setup with the Yamaha YFZ Radiator was set to 180 F/185 F on and off and it rarely came on.

On my banshee radiator setup I never used a thermostat. I simply monitored the temps using a Trail Tech Vapor and then put the fan on a toggle switch. I used the manual toggle switch quite often if I new I was going to stop for a few to let it cool down.

A lot of it is going to do with how hard you're going to push the Ody.

Personally, I would have shot for 165 F on 170 F off.

Rand


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PostPosted: Sun Feb 25, 2018 11:18 pm 
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Joined: Thu Jan 01, 2015 1:45 pm
Posts: 149
Location: cleveland oh
Polaris 2 stroke watercraft use a 140* thermostat. i think I read somewhere 2 strokes run most efficient at 143*


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PostPosted: Mon Feb 26, 2018 10:17 pm 
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Joined: Thu Aug 18, 2005 10:13 am
Posts: 3760
Location: PERTH WESTERN AUSTRALIA
viewtopic.php?f=1&t=5051&hilit=rotax+and+ac+temps


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PostPosted: Tue Feb 27, 2018 2:40 am 
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Joined: Sat Apr 22, 2006 9:15 am
Posts: 793
Location: Central Coast, N.S.W, Australia
Thanks Bugeye59

Will read it again when I have a bit more time.

wyeeoddy


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