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2008 Nytro RTX air box mod??????

Discussion in '4 Stroke Air Intake' started by yamstock1, Sep 8, 2008.


  1. kojack

    kojack Pro

    Messages:
    173
    Location:
    Fredericton, NB
    Country:
    Canada
    Snowmobile:
    2014 Yamaha Viper XTX MCX
    LOCATION:
    Hanwell
    You changed your track from a 1.25" to a 1.75". Takes more power to move that extra weight. If you changed back your intake and it didn't fix your issue . Its likely the track your culprits
     
  2. drewseph

    drewseph Veteran

    Messages:
    27
    Location:
    Northern Alberta
    CHanged to a Yamaha white secondary spring, running properly again now. Thanks
     
    Ohiokm likes this.
  3. Nytro Nasty

    Nytro Nasty Pro

    Messages:
    197
    Country:
    USA
    Snowmobile:
    2008 Yamaha FX Nytro 136, mountain fit vent kit, oft steering relocate, mountaintech skid plate, simmons flexi skiis with 6 dual runners, skinz front bumper, DDM Tuning HID lights, 55 watt ballasts with 4300k bulbs.

    All done in one season.

    That's is so far but much more on plate for this year!
    Is this Ulmer? Does the K&N kit the only one that makes hp or all a fluke and none do? Thanks
     
  4. shadow44

    shadow44 TY 4 Stroke God

    Messages:
    2,631
    Location:
    Ontario
    Hurricanes air box mod works....It showed 4-5 peak hp and picked a lot in the mid, however this was in conjunction with the Hindle exhaust. IMO if you're wanting to gain power then do both exhaust and intake mods to see the best gains, othwise leave it stock and just do clutching.
     
    Ohiokm likes this.

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