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    Apex Ram Air Kit

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    • Member since
      June, 2005
    Apex Ram Air Kit
    Posted by Anonymous on Sunday, August 20, 2006 10:25 AM

    Anyone try the Fix Power Sports ram air kit?  Do they supply new air box lid or must you "butcher" the original?  K&N filters?  Retains stock air box?  It's not for me but just wandering what everyone is doing.

    Thanks

    • Member since
      March, 2006
    Posted by MAX APEX 2006 on Wednesday, August 23, 2006 6:51 PM

    Bought the Fix  Power Kit. Comes as new air box lid only. Nicely cut out and new colored mesh inserts. The cut outs are in the louver section. Also comes with clutch kit. After running about 20 mins. shut down and restart. Computer self adjusts air flow/fuel mix. Added about 10-12 mph. Otherwise stock sled tops out at 135-138 on 1/4 mile lake run. Sound is real throaty and even more intense off the line, as if it could get any more visous. New double rail scags fixed groove steering. Now if Yamaha can fix the crumbling boggy wheels problem before we blow our tracks of?

    • Member since
      September, 2005
    • From: Marion, WI
    Posted by newyorker_79 on Wednesday, August 23, 2006 8:31 PM
    My dealer found a fix for the exploding bogey wheels.  You may not like this, but he put Ski-Doo idler wheels on.  They're just a fuzz thinner.  He hasn't had one blow up since.

    Smile; it makes others wonder what you're up to. Smile and wave boys, smile and wave.

    • Member since
      June, 2005
    Posted by Anonymous on Thursday, August 24, 2006 5:51 AM

    Doesn't the "Ram Air" kit (as advertised on ebay) only come with the air intake gizmo?

    What do you mean by it automatically adjusts?  Looks to me like the Fix air intake would be better than the Hauck setup because of the way the Apex air box cover is mounted.  Does the Fix setup use the stock air box base (bottom)?

    • Member since
      July, 2005
    • From: Menno, SD
    Posted by Srxspec on Thursday, August 24, 2006 7:31 AM

    FYI

    The Apex EFI only takes into consideration manifold vacuum at LOWER (under half) throttle positions, therefore it estimates injection volume from manifold vacuum and engine revolutions.

    At HIGHER throttle positions (approx half to WOT) the EFI system estimates injection volume from throttle position and engine revolution NOT manifold vacuum.Therefore if actual vacuum is changed by filters or RAM air, injection volume is not changed.

    For example a automotive system measures intake air flow rate directly, so that type of system accepts modifications, it will adjust injection volume based on manifold vacuum. The Apex system does not "learn" or "adjust" injection volume to modifications.

    • Member since
      August, 2006
    Posted by gunnut on Thursday, August 24, 2006 3:21 PM

    Thanks spec.

    I'm not an expert, but it's obvious that an airbox mod on an Apex isn't going to make a 10-12 mph change.

     

    I think the reason we get this, and other absurd claims isn't because someone isn't being sincere, or honest, but they are not testing in consistent conditions. The speed mentioned is impossible with an otherwise stock Apex unless maybe it was on glare ice with a 30mph tail wind.

    • Member since
      July, 2005
    • From: Menno, SD
    Posted by Srxspec on Thursday, August 24, 2006 7:51 PM
    gunnut, I tested the Fix Ram Air lid on the asphalt and picked up almost 2 mph on back to back runs.  It is obnoxiously loud though and I wouldn't want it installed for trail riding.  Just my .02!
    • Member since
      August, 2006
    Posted by gunnut on Friday, August 25, 2006 6:59 AM

    soec,

    That's something I can believe.

    Most people with air mods that I know want the noise.

    • Member since
      March, 2006
    Posted by MAX APEX 2006 on Thursday, August 31, 2006 8:05 AM
    Fx air box mod: Are you guys riding DOs or Polanski's?? A stock sled will run 125-130 with a 160lb rider. If you weigh in at 245 you might want to ride a mountian sled!  The air box bottom stays in place the bottom box is reused. It comes with a clutch kit therefore the increase in speed is realized by cluthing and intake. The air/fuel mix is adjusted so the sled is running leaner. The increase air flow allows cooler running temp. I ran the sled on hard packed snow, flat out on a lake with no serious tail wind. My top out was 138 when I could see through the tears. Without the kit the sled was topping out at 126-7 even with the crumbled boggys! Yes the noise is louder but real mello throaty sound unlike a loud exhaust. the kit was 250<> . I want to turbo it up but Bender, Wright are a bit pricey. Hoping they come down this season.  See you on the trail.
    • Member since
      August, 2011
    Posted by yamaha only on Friday, January 31, 2014 7:58 AM

    135-138 !! hate to tell you but put a gps on your sled and you see your speedo is way off on your sled you got maybe 118 !

    • Member since
      January, 2009
    Posted by boostedrx1 on Saturday, March 01, 2014 5:51 AM
    No way is that running 138 hate to tell ya.I remember when I first bought my rx1 was seeing 130-131 which was 115 on gps

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