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Well I think that it needs to have head gasket and head looked at but for now I am going to ride this thing some and have work done this summer. I am tired of dumping money into it and not getting anywhere. I did ride it at Barnes corners this past week and had very little issues other than my...

I had hygear do my rear and front on my nytro rtx and what a difference it made. Had it set up per my weight and revalved. Just a thought though it takes them some time to do so be ready for some down time. Good luck

Thanks herndonp. I have had all the tests done at Yamaha shop so far but I am going to be picking the sled up soon. My friend thinks we should pull the head and have I redone as this will have to happen anyways and then we can see into the cylinders and see if they are scored. We are kinda...

So finally today the compression test was low. Each cylinder was around 170 psi. The leak down test was around 20% per cylinder. The engine does not smoke any and it seems to run awesome. We have the sled not overheating anymore as well. Could the tests be low because of sitting for over a year...

When nytro is cold it idles great, when you take a ride it wont idle when warm. I had it in the garage and changed the plugs and started it and it would not idle in the heated garage. No codes are in the diagnostic system either. I have installed an exhaust and that's it, no pc5 or anything else.

"Get yours now, they are falling from the sky"

Well stupid me, when we were changing the exhaust I never changed the plugs so I feel like this could be part of the problem of idling. Will be changing those when we start working on this. We are going to put pressure in the system on Monday and see if it holds, but my gut tells me some work...

Yesterday went for the first ride with my 09. Background it sat for over a year before I got it. We got to tug yesterday and I filled the tank with 91 non ethanol. It would idle at first but as soon as we got going it would run well but wouldn't idle every stop it would shut down and have to be...

Thank you for the input. I had an 08 with all the same setup as the new sled and would put people to shame. Love my nytro. My friend had the gear kicking around and never tried it so I was interested. Lol I am a heavier guy on a beer diet.

Hello everyone I am new to the site. I have a 2009 nytro rtx with the 121 skid. I have put a header and muffler, also have changed the clutch. I was wondering about changing the stock gearing to a 21 tooth. Just wondering if I will be able to still get out of the hole and gain a few mph on top...