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  1. Y

    joe gibbs xp2

    since i use this oil my engine have a oil consumption,is it normal,someone have the same problem. i have put 1 quart of oil for about 600miles
  2. Y

    42 tooth bottom gear

    i want know if someone try to put a 42 tooth bottom gear in stock apex chaincase.it is there enough place?
  3. Y

    cylinder head

    Is there anyone who has milling cylinder head for raise compression is that increase performance or not
  4. Y

    pc5

    is that there has a difference off gain on pc5 vs pc3
  5. Y

    gear update

    i make last night some test with gearing on 2000' hardpack trail at 20 degree,no wind.i just play with shim in the front to keep the engine at 10800. all speed is in km on gps and keep 70 link chain and 39 tooth on bottom all the night 22/39=174km 23/39=185km 24/39=176km i think that...
  6. Y

    helix angle

    i would like to know how work a yamaha 51/43 helix i explain, is that a straight 51 degree shift to a straight 43 degree or shift of 51 to 43 gradually tank you
  7. Y

    track loosse or not

    on drag,what is best track tension on apex with monoshock loosse or binding or between tank you
  8. Y

    cam and spring

    wich cam and spring you use in secondary on apex 06-10 for down spinning.it's for use in drag for snow.i try many setting,engagement down to 2500-3000,many type of ramp but always lot spinning out of hole i have a carve with 144 golg digger stud tank you


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