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Purchased as a kit, hoses, rivets, clamp. All the goods.

Another post is saying 4.7l for the mtx so I'm guessing it would be the same with the mtx exchanger installed just seems like a decent bit.

Hey guys know someone on here will have the correct answer. I've looked all over and had little luck at finding what the correct coolant capacity should be in my Nytro. I have a 2011 Nytro xtx with the added mtx cooler?

Any chance you could take some detailed pictures of the gauge install woth how you worked etc? I purchased one and it came in today.

Are these still available for purchase do you know?

Not running a trial tank but purchased a used mtx exchanger that I'm going to install and also change out the antifreeze. Gonna add a daytona temp sensor so I can get a better idea of actual engine temp. If I still have issues I'll go ahead and replace temp sensor and thermostat.

I sent ulmer racing a email about the gauge just waiting to hear back.

Looks like you can order them on Amazon. These are the same ones by the looks?

So I'd have to have a digital temp read out to do this test then, correct?

How would I verify that the temp sensor is good?

Apparently the 11s didn't come with the mtx coolers, there is a punch out for it but there isn't one install. My last 09 fx had on but this one doesn't.

I havent tested the coolant but will definitely be replacing when I install mtx exchanger .

I havent tested the strength of the antifreeze or Do you know if they still make the temp gauge you had installed? Would like to get a clean install digital temp gauge for that exact reason but can't seem to see if Ulmer still makes them. Sled has 7,000 miles so not sure where the thermostat...

Thanks for the advice. Would you do 60/40 on the antifreeze mix and would you add water wetter to it? Any suggested coolant that these motors like more than another?

Would you suggest one thermostat & sensor over the other? Or go for the cheaper option for both?

Alright good to know so would you say it would makes more sense to get the cheaper of the 2 on the sensor and thermostat?

Was thinking of doing a manual switch for the fan but it does kick on I forgot to mention that in the post. Do you have any experience replacing the temp sensor with a aftermarket sensor over oem?

I had some overheating issues last season were temp light would come on constantly even in great conditions. I run ice scratchers on the rails and added ski scratchers and no dice. Sled doesn't have tunnel cooler so hoping that's most of the issue. I want to cover all bases before the season...

Does anyone know where I can buy a Yamaha billet aluminum gas cap with the tuning forks for my 11 xtx nytro?