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Old 12-31-2012, 03:28 PM   #1 (permalink)
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Safe operating temps?

Not sure how many of you participated in the thread i made about trading our two sleds in for an 08 Iq 800 but i went ahead and went through with it. First of all this sled rips!!! I love it! Ive been riding it for about a week and the guy we got it from said that he just put new pistons and rings in it not long ago and to add oil to the gas to make it 50:1 i believe he said.. Well i didnt know how much to add so i talked to a dealer around here and they said to just add 16oz. That seemed like alot to me but thats what i went ahead and did. Now yesterday me and a couple relatives when on a small trip probably 60 miles total and i always had my gauge showing the temp. I thought it would be a good idea to become familier with the temps it usually runs just because. And yesterday all throughout the day it never got over about 131 degrees. it was 25 degrees outside yesterday and we were riding mostly groomed trails in the ditches and a little lake riding. I was happy with where the temps were yesterday but today i took it out for a little bit on the lake and it just kept rising and rising until it got up to 173 which is when i stopped to check everything but coolant was full and the exchangers in the rear were very hot! My question is i guess is this still considered normal operating temperature? Maybe i have nothing to worry about but i cant believe it got this hot i mean its only 14 degrees out today. Any input would be appreciated thanks in advance!
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Old 12-31-2012, 05:13 PM   #2 (permalink)
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On ice, you need scratchers to keep the running temp down.
Studs don't chip up the ice enough to keep the exchangers covered in snow dust so they do not cool enough.
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Old 12-31-2012, 05:22 PM   #3 (permalink)
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I thought about that but there was probably 3 or 4 inches of somewhat powdery snow evenly accross the whole lake, or is that still not enough? And 173 is pretty hot right?

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Old 12-31-2012, 05:41 PM   #4 (permalink)
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It would get hotter running at a higher rpm and for longer than it does on more twisty trails.
As long as the tempo light does not come on, then it is still safe at 173*.
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Old 12-31-2012, 05:51 PM   #5 (permalink)
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173 would scare me. I would be looking to keep it below 150. If the snow was powdery, it should have been no issue. Sometimes ice will form in front of the heat exchanger in the tunnel and keep the snow from actually hitting the heat exchanger. Temps get pretty high when that happens. The 800 has had a lot of issues with burn-downs because of fuel mapping, especially in the midrange. I would try to get rid of as much heat as possible to not contribute to that potential.

If I saw 170 on my temp gauge, I would be stopping and packing snow on the top of the tunnel where the heat exchangers are. That way, the melting snow can help cool from above. Underhood temps in the IQ models get really HOT when it's above 150.
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Old 12-31-2012, 06:52 PM   #6 (permalink)
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Oh ok, i was going to do that but ive got one of those underseat bags, ive definatly heard of all the problems these 800s had, maybe ill try taking that bg off its full of extra gloves and hats and junk incase mine get wet maybe all that is 'insulating' the top of the exchanger, thanks for the help though i probably should have stopped before it got to 170's :/

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Old 12-31-2012, 07:47 PM   #7 (permalink)
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I'm not sure how much tunnel is behind the bag, but it won't take much to help cool things down. The problem is keeping the snow there as you ride.

Next time it's at that temp, check the tunnel to see if the ice is building up. Also make sure the tunnel flap isn't a problem, some of the snow from the track hits the flap and bounces forward to hit the exchangers. No flap or bad flap will cause heating issues, too.
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Old 12-31-2012, 07:52 PM   #8 (permalink)
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Will do, hopefully it wont get that hot tomorrow, i plan on going on a little ride and ill take the bag off and keep an eye under the tunnel thanks for all the info! Ill let you know how things work tomorrow. Maybe ill start pricing some ice scratchers too..

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Old 01-01-2013, 05:49 AM   #9 (permalink)
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Get the cable [flexible] ones if you do so you don't have to remember to lift them before backing up!
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Old 01-01-2013, 12:02 PM   #10 (permalink)
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Alright and it looks like I can get replacement tips for them to, that might be the way to go thanks

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Old 01-01-2013, 02:43 PM   #11 (permalink)
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Went for a little half hour ride today without the undersea bag temps still got up to around 145 I was just making a couple passes at about 100 mph lol I love this sled, I'm thinking if I would have stayed on the gas for a little longer period of time it pry would have kept rising, ill have to check out those ice scratchers, also without the bag there is zero storage on this sled where do you guys keep the registration at?

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Old 01-01-2013, 05:27 PM   #12 (permalink)
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I keep insurance card and reg in an inside coat pocket.
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http://www.dcdrifters.net/


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