Engine mode when too hot

Snk1199 · Aug 3, 2017

Hi,
It is that part of the year again: even with the modded radiator I see 106 celsius (222 fahrenheit) when rolling out to the track and taking the grid position. The engine management warning comes on. If I switch the engine off and restart the warning is gone (temp down a few degrees by then).
Is the engine in some kind of a safe mode with reduced power output? Or is that only my deception?
Thanks!

Phl · Aug 3, 2017

no clue. did you get rid of the fan?

Snk1199 · Aug 3, 2017

Yes. There is no room for the original fan as the modded radiator is thicker than OEM. I am considering re-installing some kind of fan for next season. I plan to race twice this month and then my season is over.

Phl · Aug 3, 2017

with red flags, restarts and all that crap i'd definitely look into that. maybe even just a random fan wherever it fits on the cooler...

i had the high heat warning coming on once after flushing the coolant. there must have been an air pocket. but it did not affect the performance from what i could tell.

Halo2 · Aug 3, 2017

Could try Evans waterless coolant

Snk1199 · Aug 4, 2017

Time was too short today to buy Engine Ice (similar to Evans) and do the cooler replacement. So I bought MoCool (by Motul). It needs to be added to the cooling fluid in 5% ratio so was an easy thing to do. I will see how it works tomorrow. 110 fahrenheit is forecasted in shadow...

Milepost · Aug 4, 2017

Halo2 said:
Could try Evans waterless coolant

Would they would let you run it on the track?

Halo2 · Aug 4, 2017

Snk1199 said:
Time was too short today to buy Engine Ice (similar to Evans) and do the cooler replacement. So I bought MoCool (by Motul). It needs to be added to the cooling fluid in 5% ratio so was an easy thing to do. I will see how it works tomorrow. 110 fahrenheit is forecasted in shadow...

Evans Waterless coolant is a completely different product on the market, check with your local track if they allow it.

Snk1199 · Aug 6, 2017

Milepost said:
Would they would let you run it on the track?

They would and they do. All they check are very basic things on the bike. This is like a mass/hobby event here. You can ride there and race if you wish just take the mirrors and turn indicators off.

Snk1199 · Aug 6, 2017

Halo2 said:
Evans Waterless coolant is a completely different product on the market, check with your local track if they allow it.

I will check for next season. I needed a quick fix now. Only Mocool was immediately available. I am not sure it helped much as I still saw 220-222 fahrenheit temperatures. As did a lot of riders, too. I am not sure what coolant and radiator they were using but it was an extremely hot day!

Engine mode when too hot

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