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  1. D

    Whose rollover valve is this? Need parts.

    Wondering whose rollover valve system this is. Was installed on my sled when I got it. Appears to be all plug and play. Pulling the tether kills the motor and sends 12v to the plug (I tested) but the valve doesn't do anything. I took it off and sprayed WD40 in it and hit it with 13v a few times...
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    opinions on skis

    I will add my 2c since I am finally gettting some rides on this thing... When I got this sled, it had Simmons Gen 2's. The boys called them the "Daffy Duck feet". Well I had a heck of a time pulling it over and sidehilling in the bottomless powder of Revelstoke...so I removed the swaybar and...
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    2008 MCX 270 stalling and lazy at low rpm

    Went to a Yammy blue/brown/blue primary spring and Dalton weights set to 78g, EPi pur secondary spring and a straight 47 helix. NEW SLED! She get's up and dances now. Just got back from a weekend in Revelstoke and it never missed a beat. The only (maybe) issue is a harmonic or buzzing at zero...
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    2008 MCX 270 stalling and lazy at low rpm

    OK...I didn't even know this thing was supposed to have a high idle function when cold...it never even worked before. As mentioned above, fires up, goes to 1950 or so for a few minutes (warm garage) blip it and it idles fairly good at 1450 or so. Still loading up a bit, but I can't make it...
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    2008 MCX 270 stalling and lazy at low rpm

    OK...new CR9E plugs at 18 thou....put back together (kinda missing my old two stroke sleds here, LOL)...she fired right up and idled at 1750 then up to 1950/2000 within 10 seconds and stays there. Easing into the throttle would not produce the burble I had before. Test drive tomorrow....wife has...
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    2008 MCX 270 stalling and lazy at low rpm

    I did actually. The previous owner ran 50/50 AV gas premium. I was told this machine will be fine with "good" premium....so I've been running 91 Shell Gold with Torco Accelerator to 94 octane.
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    2008 MCX 270 stalling and lazy at low rpm

    OK...got tank off. Pulled shield off of the header connection. No signs of leaks in there. Header is all in good shape as well. Pulled plugs. (see pics) definitely fat. Plugs are NGK Iridium CR9EIX gapped at 30 thou. Going to pick up new plugs tomorrow since it's apart now....what should I...
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    2008 MCX 270 stalling and lazy at low rpm

    OK...went and played some more today in the garage. It is definitely fat. I'm not going to buy an A/F meter when the reason I went with the MCX was because they are reported to run perfect and don't need mapping changes. I went through the vacuum/boost lines and they all appear OK. This machine...
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    2008 MCX 270 stalling and lazy at low rpm

    OK gang...I finally got to ride the new-to-me Nytro. Had an afternoon to play around home ditch banging (3000') and had a weekend in Revelstoke to do what it built to do. And I have to say, it's not the greatest. It starts up no problems, but idle seems up and down. It seems to randomly run...
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    Whats in your garage?

    Can Am and a Yam... (I sold the wife's 400...just the Renegade now)
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    2012 AK sled build

    Updates?
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    kids Yamaha mountain sled

    Any updates? Here's one another Alberta boy did recently... http://www.snowandmud.com/forum/f469/2013-yamaha-mountain-mod-scoot-71325.html
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    What are the specs for an older Yamaha Snosport 125cc Sled?

    My good buddy has a Snosport for his kids and after one or two adult beverages we have been known to jump on and go for a spin around his acreage....it's really not big enough for anyone over 5'6" or 150 lbs....which makes for some very funny pictures with me on it as I'm 6'4", 275 and my buddy...
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    06 Nytro er/chain case cover!

    You're talking about getting the shift fork dealy back on the gear when you put the cover on? I did my first Yammy chain change a couple of weeks ago and had to consume a few extra beers myself to calm down. In the end...hold the fork ABOVE the slot in the gear...has to be just right to not...
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    mtx stock shocks

    Give Dave Clarke a call at Ride Concepts in Calgary. He rebuilds and revalves all kinds of shocks. He was recommended to me by several satisfied sledders and has my shocks right now. He says many guys rebuild the Fox Floats every couple of seasons. http://rideconceptscalgary.com/ or call...
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    help....

    Push on lever and realize it's $h!t.
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    What Did You Do To Your Sled Today???

    All 4 shocks off and sent to be revalved.
  18. D

    Very Light Weight Carbon Fiber Parts

    I'm a recovering CF junkie. I've had CF hoods, side panels (Doo), wheels, rails, handguards, little bits and pieces, and those RPM skidplates. The RPM skidplates are super strong, but NOT light. They're 1/4 inch thick with lots of resin...sold it and went plastic. Never had a CF part break.
  19. D

    Limiter straps-when to replace?

    Uncontrollable wheelies every time you hit the throttle.
  20. D

    Question about found wire MXC Nytro

    Thank-you! I completed my surge tank project...left those wires cleanly tied up....she passed the trackstand test!


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