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Your compression is likely low due to the fact that your cylinder walls are all washed down from all the fuel that has gone through it. Have you been cranking it an excessive amount? It's possible that the original problem was fouled plugs and if you kept cranking it and it kept spraying in fuel...

I have a mcx 260 apex that was doing similar things. I ended up finding that the tps was out of adjustment. You can go in through your pod and look at the position. Should be 100 at wide open throttle and around 12-18 I think at no throttle. Hope this helps!

Can get it right from the key switch. There will be a switched b+ whenever the key is on.

Ok thanks. Thats right about where mine is at now, just didn't know what to expect I guess.

Just picked up a boost t for my apex with a mcx 16t turbo. It seems to take a lot of clicks on dial to change boost pressure at all. Was just wondering if anybody else has one and how many clicks it takes to adjust it 1 psi? Thanks

Mcx 260 kit is designed to run on premium pump gas. That's all I ever run mine on :Rockon:

Looks an awful lot like the 16t turbo on my apex

Alright. I figured it wouldn't change. Just wanted to make sure! Thanks!

Was wondering if anybody knows if the timing gets changed when you go from a mcx 260 to 290 on an apex? Or do they leave the timing the same and just turn the boost up? Thanks

I am having the same problem with my mcx rear mount. Are you running the single k&n with pre filter? Thats what mine is and I just ordered a new cr billet intake. It is just a cone with a pre filter over it and is way bigger than the k&n and has a lot more surface area. It should hopefully be...

The stock maverick that I had on mine didn't last very long. The lugs on them are too soft and they bend and break very easy. I ended up cutting it down to 1 3/4 just so it wouldn't eat itself. I would go with the challenger. I have one on mine now and love it. Lot stiffer lug and seems as good...

Only need clips on the windows that your extroverts drive in. Any others shouldn't need clips

Ok thanks guys, I kinda figured thats where it should be...

Hey i am running a 06 apex mountain with rear mount mcx 260 kit. My air fuel ratio is around 13.2:1 at wot, was just wondering what everybody elses mcx apex's are running for afr. I thought that 13.2 seemed a little on the lean side but talked to Don at prince george yamaha and he says thats...

Awesome! thanks thats good to know, but do you know if the reg is able to raise fuel pressure as the boost is increased? like a 1:1 ratio?

I was wondering if anybody knows if the stock fuel pressure reg on an 06 apex is a boost referenced rising rate reg? or if it just holds at the preset amount? Was also wondering what guys use when they put an aftermarket regulator on? is there a company that offers one that bolts up to the...