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Yes, subframe and a-arms.

Nothing can do it all well as the Ohlins with the PDS option installed.

Yes, it will be be great if an an affordable version can be produced.

Denso produces good plugs.... No reason not to run them. Since it sat, the fuel was/is likely garbage, and likely part of the problem.

I placed a deposit on Seth's Race sled this week. Plans right now include riding and building shocks in an attempt to produce what this could have been from the beginning, a great all around high performance trail sled. If things work well, and it won't be stepping on toes, I'll look into...

The PDS really turns the mono into an everything skid. The downside, it's not cheap... and the shock needs to be completely broken down to install it, body removed from the cylinder head, etc.

That looks great...

The basic chassis is essentially the same as the Apex, it just has a carb'd 3 cylinder under the hood. The 136" Proaction skid was, IMO, the best version produced, and works fairly well. Search around a little, you will find plenty of info on the various issues the Delta box chassis sleds have.

The bumpers I used are from an 05 Vector. I'll get some pictures.

I ground the tips of the torsion springs at an angle, and then had the aluminum mounts machined so spring tip could pass through it. The bumpers help in two ways, they cause the spring tip to lift sooner (more clearance), and with proper rebound, help with bottoming.

It works great. ;)!

Too bad he left the sport, I thought that shock would help keep him in it. Let me know how it works for you.

Good to hear it was revalved. The YA 868 was, IME/IMO a little soft for the big stuff, and the YA 8681 ended up too stiff in the small stuff for many riders. I still have an RTX skid in the shop, w/ the "super special" PDS equipped 868 and 869 shocks I built. It still isn't as good as the Mono skid.

Which Ohlins center shock did you buy? Part number?

Please share some pictures of the Mono skid in the Nytro. I always thought that would be excellent in there. It can do everything very well with the proper shock mounted up. I spent tons of time attempting to tune the RTX skid... it was a disappointment.

Yamaha implemented a variety of changes/mods to ensure belt and chain case durability. There's an aftermarket kit for the earlier AC Pro Cross sleds that essentially copies (or were they first?) what Yamaha did.

Here's a nice Apex SE on Craigslist, 2011, only 150 miles ridden, $9k OBO down towards Boston, MA http://boston.craigslist.org/nos/sno/4227925734.html

It's a Skidoo slide... quick search should find it.

2012 Vector http://global.yamaha-motor.com/jp/profi ... f/ss03.pdf

RX-1 http://global.yamaha-motor.com/jp/profi ... /ss_01.pdf