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One of the bolts on the exh cam gear backed out and was hitting the valve cover and head. If I had run it much more, the bolt would have fallen down into the cam chain area. The threads on the exh cam are junk and need a new cam. Dealer commented that it didn't seem like the bolt on the exh...

I dropped it off at the dealer this morning. He thought it sounded more like a valve issue than a cam chain issue. They will dig into it on Tuesday. Just hoping it is not a major issue with significant damage. I'll keep ya posted.

I called a local dealer and explained this to him. He suggested to take a closer look at the header or y pipe and also remove the round "stops" that are on the header clamps. He seemed to think it is an exhaust leak. With only 2700 miles on it, he found it hard to believe it is possible...

From what I can tell, this noise is coming from the cam chain area, clutch side, top of the engine towards the back. I put a screwdriver to that area and put my ear to it and it was definately noisy. I'm starting to think it is a loose timing chain? These have automatic adjusters...

I have a ticking noise that increases with engine rpm on my 06 Apex. It sounds like it is coming from the top of the engine, clutch side? It has 2700 miles on it, just changed the exh donuts. When I plug the exh the engine stalls. I religiously change my oil and check it after every ride and...

AK, That is good to know. I had Pioneer do the revalve and spring upgrade on my Apex GT and can't wait to try it in New England. I've had them do my SRX shocks before and was not dissapointed. I'm sure the Apex will be 10 times better. ...and ya, you got snow and are riding, you suck...

All, Thanks for all this good info. Mike - If I test them with an ohm meter I should have 0 ohms from cap to electrode, correct? Maybe one of them is a bit funky. Just kinda weird how the only change was the plugs. We'll see. :yam:

I've got some Chrome and Black ones that are barely used that I will sell to you. I had them on for one season then I went to the mid height windshield and decided to take off the handguards. I'll send you some pics if you'd like. Has all necessary mounting hardware. I got these to match my...

The temp was low 20's before and after I changed the plugs. I run my track a bit on the loose side, no studs. There was 2" of powder on top of hard pack, plenty of lube for the slides. I think I'm gonna try the 23t top gear and the white secondary spring for the heck of it too.

I should have mentioned that the only thing I did above was change the plugs. I didn't do anything with the secondary belt height. The belt still sits a little below the top of the sheeve, yet I got my rpms back to where they used to be by going back to the stock plugs. dunno.... :o|

I changed my plugs back to the stock plugs and it now revs to 10,500 like it used to. All of the CR10EK's looked good. Could one of them be bad? Should I try another set of these plugs? It's getting a bit pricey for 2~3 hp. lol.

I have noticed that my belt sits lower in the secondary after only 700 miles and I have lost rpms, about 500. It used to turn 10,500 all day long and all I get now is 10k. Could this be reason? I run the track very loose and this was in good snow conditions, so I don't think the slides were...

Yep, I totally agree. I just put my 6" triple points on for this weekend and they are awesome!! Darting was 90% gone with the addition of the ski savers. Very nice product, highly recommend them.

That is pretty cool. Yeah, what's the story with Bambi? How did it become your pet ??

I've been looking a these also. For the most part, I have read good things about them. They are a popular street bike helmet that has been getting into the snowmobile market. The only bad thing I read was when one of the magazines (don't remember which one) was testing, the flip down shield...

Tork - Any concern on the studs hitting heat exchangers ?

Do you adjust studded tracks like this too? I always thought you needed to run a studded track tighter. :dunno:

do mods like this void the YES warranty ?

Allen, Did you have the stock spark plugs in this machine? Or did you have the CR10EK's? Do you see any potential issues with running the EK's with this mod ? Do you have any pics of what the modded box looks like? Thanks and nice job.

Smooth arm stretching torque. They take the bumps like a champ and very stable over the big stuff at higher speeds. Fairly flat cornering. I changed from an SRX to the Apex and the cornering is very comparible. Engine braking takes a little getting used to. The rear exit exhaust is so cool...