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  1. FireStone

    What Did You Do To Your Sled Today???

    will try next weeks to install a new suspension. A Z1 Snopro 2011, 128 strech to 136. No more ohlins with wire, no more hyfax problem and better confort.
  2. FireStone

    apex fuel controls

    best AFR for Apex motor is 12,8 to 13,0
  3. FireStone

    Tracks Canada

    I bought some items from #*$&@ and prices are very good for us(canadian) service and shipping are good too.
  4. FireStone

    water temperature adaptor size

    Yes I received my Koso kit last week
  5. FireStone

    power commander X??? for my 2010?

    I want to install a PC3 with ignition box on my apex 2010... Is the PC3 compatible with the 2010 or I must absolutly to have a PC5??? My dealer is not sure...He didnt try this yet. He told me that the data base is not the same and maybe not compatible with de PC3....
  6. FireStone

    water temperature adaptor size

    I want install a water temp gauge on my Apex. I saw there is a right place for the probe....on the horizontally side on the left side thermostat... what is the right diameter "mm" for the connection? Thanks
  7. FireStone

    ZX2 Suspension...How is it compared to stock EC Ohlins???

    ZX2 run better in 136 and 144. You will love this!
  8. FireStone

    Opinions on evn swap for ripsaw 1 1/4 to 1 inch track

    Ice Ripper=Less top speed....12-15km/ at least! Best 128"= Hacksaw 1" studded.
  9. FireStone

    Clutching info requested?

    easy and cheap setup: gr-gr-gr spring. stock weights, Dalton Helix 50/46 wrap 6-1 with white spring. cheap, and works well.
  10. FireStone

    Super Rats vs. Dalton adjustables

    70gr is a little bit heavy for a curved flyweight. And as yamadog said, the silver spring at 6-3 is good for a lot of setup. The springs choice of Ulmer is good, so the O-P-O with the primary maybe good too.
  11. FireStone

    who has some good clutching upgrades for a 2011 apex 128

    Allen, I know what you explain, but I'm not the 2011 owner, so I did some test, but the owner wanted to try something else... Maybe I'll take the 2011 a day lonely and test a full day with your explanations. Thanks
  12. FireStone

    who has some good clutching upgrades for a 2011 apex 128

    Sorry but Ulmer kit, because of the supertips isnt the best for 2011. The flyweights curve is too agressive. The 2011 loves to be sit a lower RPM to push harder. Push better at 10200-10400. Over this, the motor push, but the track dont want to push. Maybe, Ulmer kit can be good with a new...
  13. FireStone

    AD Boivin Expert skid

    BRP SC-10 is 100time better than this! Sc-10 under Apex.....its a beautiful dream to ride!
  14. FireStone

    overdrive clutch apex

    Grunter, sometime I think like you said about stock weights. Every Helix I rode are modified(hub) The curce profile from supertips is good for quick acceleration. For top speed I want to try the factory weights.
  15. FireStone

    overdrive clutch apex

    Anyone knows how or have any trics about Apex overdrive clutch? 2 Last year I ran 24 gear in my LTX-2010. This season I run the 23 gear. With the gear ratio calculator, with 23 top gear, I can run to 113mph at 10800rpm. Yesterday on lake, I ran 111mph at 10800 within 1500foot. A friend told...
  16. FireStone

    Clutch kits and subsequent short belt life

    Ulmer stage 2 kit and blown around at 4000km each. Heavy driving contitions only!
  17. FireStone

    What could Yamaha offer to make you buy a new sled?

    -New front suspension geometry for Apex -R1 Crossplane motor for Apex. -Solve Hyfax problem -No more ice under. -New complete Nytro, less weight, a couple more HP...Turbo? -More fuel capacity, 10 gal. -New rear suspension design. -no more 121, only 128 and 144 for trail sled. -What...
  18. FireStone

    Zx2 info needed

    He tries this on my uncle's sled, 136" and it improves the confort on trail. He was one of the first to try this, 2 years ago.
  19. FireStone

    Zx2 info needed

    Call directly ADBoivin, there is a modification on the front arm that can be made to improve confort. they make a bigger slot on front arm fixation. A most for 136" Yamaha.
  20. FireStone

    hauck power yamaha fuel accelerator and ram air lid

    Hauck fuel controller and Power Commander need to be used with an Air/Fuel gauge. If I remember....Apex are at the top at 12,8 or 12,9 on the A/F.


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