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I bought the modified cooler kit with the aluminum shield from someone that had it modified and it looks very similar to the CR Racing version. I already have the 3' track too. My sled is torn apart in the garage and I am trying to decide how much more to tear it apart as it is a bigger project...

I am looking for a detailed write up on doing a cooler/heat exchanger mod to fit a 3" track in a Nytro Mtx. I thought I saw a good one a couple months ago with pics etc but have not been able to locate it again. Any help will be appreciated.

Yep...I have a spare...not sure about cheap but we could work something out that is pretty reasonable. PM me if interested.

I just had a similar issue with my 06 SC Apex a couple weeks ago. It seemed like it was related to the TPS but it checked out OK. After checking all the grounding blocks and numerous wires, I found a bad connection in the wiring for the Pingle tether switch. I have blamed my Gems box over the...

Left hand throttle! ;)!

I am in the same boat wanting something quieter but have not had any luck.

I have a 2006 SC Apex with a Gems controller. The sled has about 4400 miles on it and this season when I start it and it warms up, it will surge at idle almost dieing and going full lean then jump back up to 1500 RPM. It will do this for about 30 seconds to a minute and then clears up and idles...

I have an MPI stage one blower for an Apex. It is used and I am looking to sell it. I don't have the rest of the kit though.

How well I know...I have a seized one on the shelf next to the good used one that is for sale. There is a guy in Texas that claims he can rebuild them but I have not been able to find out the track record on rebuilds. I know MPI says there is no way because the tolerance is too tight.

MPI says the SC oil should be changed annually. What was said earlier is correct, if it fails they are expensive to replace. Saying that, I have a used Stage 1 blower on the shelf for sale if anyone is interested. ;)!

I had the same thing happen to my SC on an Apex this year. The shaft to the impellor is broken and the pulley side is siezed. I ended up buying a used supercharger but have not had time to install it yet.

Good point. I had the shock at 95lbs at one point, it still bottomed but seemed to trench more in the powder. I will keep playing with it. I have been doing this for a long time just not with the Nytro which is new to me this season so I was afraid their was something wrong but from the sounds...

I did have the shock rebuilt because I have had floats leak nitrogen before but the shock and oil were in great shape when we opened it up. I will try increasing the air pressure to see if I can get it to work. In the 200 miles I have put on it this year the front bump stops are pretty deformed...

I have been playing with shock pressure on my 2011 153 MTX trying to get it to work a little better. The front skid shock is at 80lbs now and the rear at 170lbs. I have the limiter strap tightened by one hole but for some reason they are not tight even when sitting on the trailer without me on...

Bringing this back up as I just bought a 2011 MTX in late March and got to ride it twice. It is a bit of a wheelie machine and I am thinking of trying the lower mounting hole for the rear suspension...any additional experience with this? Does it increase steering effort? This is a Push Turbo so...

The spacer/alignment bushings are critical on these...if they are not there or in the wrong place you will bust the straps very often. With the spacers it is rare to have a problem.

I weigh about 295lbs geared up and had the big boy yamaha springs on my sled for a while. They helped but you really need a properly valved shock as well. Buy the springs and contact someone to custom valve a shock for you. Good luck!

I accessed mine through the rubber boot where the tie rods come out. Pretty straight forward just be carefull with the oilites when you put them in. I had a buddy break the flange on his when he installed them.

OK....not sure if I am using this calculator right. 06 apex with a stage one SC 10lbs boost 10k feet elevation no head shim/stock timing and I get 92.8 octane...is that correct or did I do something wrong. I have been told numerous times that I could run 91 octane riding our elevation.

I am interested in the same thing for my 06 Apex. I already have the super charger adn timbersled plus other parts and it would sure be nice to have easier steering. Are you looking at the Yamaha EPS or something aftermarket?