over heating with sportman 400
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I have a 05 700 that gave me same issue for a while. I cleaned rad. and was 100% sure was clean. I thought the system was full of anti-freeze and still had problem. I finally tried what the manual says, " Burp the system to remove any air from system". Crank the atv up with rad cap off, let run till the thermostat opens and then gently squeeze the top hose slowly at the first bend, try this several times and hopefully will get the air out of system. This worked great for me and I was sure this was not my problem but found out it was. Good luck!
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Jeff Roper
Polaris Ask an Expert! In fond memory of Old Polaris Tech.
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02-01-2022 11:48 AM
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