overheating

[apex yooper]

Some of us have had our temp light come on. I see Cats have a light that comes on at 180, and then it signals 200 degrees.

I have a feeling that our lights com on prematurely, and we can continue riding. I might put on a rear cooler, or a temp gauge, but has anyone checked the temperature that activates our light.

With the radiator, and fan, it's hard to believe we could damage the engine under low snow conditions.

 

[motorman]

temp light

i have never had my temp light come on.i removed radiator,and flushed cooling system and run 50/50 premix,and scratchers when neccesary.

May i ask what situation is making your light come on?

thank you D

 

[torque monster]

same here, low snow conditions, still no light, but the first thing I did when I bought the sled was drain coolant and refill 50/50 mix!!

 

[tomanytoyz]

never had mine come on,never.low snow/no snow even when temps are high.maybe my led in dash pod don't work??

 

[Blue Dave]

My '07 Apex GT's light would come on often in low snow conditions even when the temperature was below zero.

I did three things to cure this. I dilluted the near 100% glycol concentration to 60/40, I added a rear heat exchanger (which by the way is now standard on the '09's), and I added Water Wetter.

I did all three things at the same time so I can not tell you which one made the most difference but I have not had the problem since. I also added the digital water temp guage that Ulmer racing sells and I found that I usually run around 165 to 170 degrees F.

 

[CaptCaper]

I had mine come on before I put the rear cooler on. Hasn't since I didn 1900miles ago. That's all I did. I didn't bother to dilute the antifreeze or additives.
I rode yesterday for about 2 hrs with no snow in open fields here too. Nasty riding up here this year so far.

 

[w8tn4snow]

I had my light come on last night for the first time . No snow on the trails and about 3 degrees outside , but i just let it cool off for a few minutes and rode off trail into some deeper untouched snow every now and then and didnt see it again . Another guys Crossfire 700 in the group was flashing the check engine light most of the ride , he says oh thats normal , hehehe !

 

[Blue Dave]

w8tn4snow,

Nice avitar LOL! Welcome to TY! Please add your location to your profile.

 

[sniperviper]

Have seen my temp light one time, but it was on hard packed and a fusion 900 with blown engine hanging in my towing hitch.

 

[motorman]

cooling

maybe with the long coolers that run along the boards on my mountain sled do enugh to keep it cool.I towed my buds trx1 off renshaw last spring,10 degrees celcius,26 kms didnt overheat,ran my scratchers mind you

 

[smacho]

Light has not come on since I added the rear cooler

 

[Swiss Sledder]

Make sure your coolant is closer to the 60/40 ratio mentioned in Blue Dave's post. This is what I did on both my Attaks and the problem was solved without having to add a rear heat exchanger. The only time my light has since come on was last season on a stretch of trail 10 miles long that had very little snow and glare ice.

 

[Len Todd]

Back to the origonal question: My light comes on at ~210 degrees F, plus or minus tolerance of the gage. BTW: Some of these gages are trash. Consequently, the tolerance could be 20 - 30 degrees, depending on the trash one buys. I had one that was 20 degrees lower from the one I tested in a pot of boiling water.

 

[mbro223]

Back to the origonal question: My light comes on at ~210 degrees F, plus or minus tolerance of the gage. BTW: Some of these gages are trash. Consequently, the tolerance could be 20 - 30 degrees, depending on the trash one buys. I had one that was 20 degrees lower from the one I tested in a pot of boiling water.

Hi, haven't been on this site since last winter (no surprise) but got such useful advice then I figured I'd try again! Anyhow, my Apex GT's seem to exhibit the same "hot-light" phenomenon being discussed here. My question is: Would going to a 50/50 mix help? And what sort of mix comes from the factory and why? I hate to go to the exteme of another heat-exchnger for the few times a year it warms-up! Thanks, Mark

 

[Blue Dave]

Mark,

Some of the Yamaha Apex sleds (not sure which years) came from the factory with a very high concentration of glycol. My '07 Apex GT was near 100% glycol. There is no good reason for this, simply a mistake of some sort.

a 50/50 or 60/40 mix will transfer heat much better than a higher concentration and consequently the sled will run cooler. Check this first and correct it if it is too concentrated before adding a rear heat exchanger.

Welcome back to TY! Please add your location to your profile.