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ultimate

  1. L

    Ultimate Husaberg 570 tunning parts!!

    Hello everyone, seasson 2012 ending and my Berg will be for sale. I believe nobody can take my Berg as is, so I want to sell some extra parts from the engine what you cant get anywhere.. I hope it can help to someone there. This engine have 73hp on rear wheel!! If someone will want to change...
  2. W

    has anyone used the Ultimate MX Hauler?

    After having my bike fall off the hauling rack on the rear of my truck I've been looking at all sorts of alternatives to the traditional ramp/rack combos and the www.ultimatemxhauler.com really seems cool. I was wondering if any of you have used the Hauler and what your feelings are/were...
  3. D

    FCR-MX-41 The ultimate jet

    First post here, hi to all euro thumper brothers, Husqvarna 06 sm610 temp 18-30c Street riding current [standard] jetting FCR-MX-41 172 main 50 pilot main air jet 200 low air jet 100 obdvr #4 pos needle 1.5 fuel screw Going to open up pipe+ AIR BOX Proposed jetting main...
  4. Taffy

    ultimate compression?

    what do you all make to be the ultimate compression given your CC of engine and the type of fuel used? even the grade of spark plug would be important! i have run 13.5:1 measured on a 90mm bore. this was my old WR400. i had no problems at all. i could feel more resistance on starting...