4 stroke

  1. W

    2013 HCR M1100 turbo

    2013 HCR M1100 turbo****SOLD**** 2013 HCR M1100 with 758 miles, with zero issue's has the following aftermarket part on it: Evo intake Evo silicon charge tube Evo turbo intake elbow Evo turbo and header blankets Evo BRV valve Evo ecu reflash aftermarket exhaust 7 tooth anti ratchet drivers...
  2. T

    Yamaha oil vent on air oil seperator

    This is my first year riding a 4 stroke sled. I have two new vipers with the mpi turbo kit. Every single ride we are losing tons of oil out of the air oil separator vent when downhill sidehilling on the left side. I have rollover valves on order, but that would not help this particular...
  3. D

    apex parked for 3 years

    hello, i am currently looking at a used 2007 apex mountain se. the owner said he stored it properly and that it has not been used for 3 years. is there any reason to stay away from this sled. i am unfamilar with four strokes and i am slightly concerned that maybe sitting for so long could cause...
  4. S

    06 rs vector exhaust mod and subsequent carb issues

    I need help! I replaced my stock can with a motorcycle pipe and can't seem to tune even after changing the jets. I am guessing the new pipe doesn't have enough back pressure as it begins to run better as I choke (close) the sled. I am thinking I can just add some medium grade steel wool to the...
  5. I

    2007 honda crf250f $$$$2000$$$

    2007 crf 250f has hotrod crank stage 2 camshaft athena piston ims footpegs protaper bars asv levers has white sno camo plastic on it now i have tons of extra plastic for it bike needs new rear wheel! price is firm 2000 has very few hours on motor call txt 651 295 3922 willing to trade for 4x4...
  6. apex jeff

    2005 Supercharged Vector RS 162" *FOR TRADE*

    2005 RS VECTOR MOUNTAIN 2261 miles, MPI supercharger, white knuckle exhaust, 162x2.25 camo maverick, anti-ratchets, hartman rail + tunnel extension, ice scratchers, skid plate, 3" Rox pivot riser, left hand throttle As the pictures show, this sled is nearly perfect. Horsepower is between 200...
  7. motojunkie101

    Yamaha FX Nytro tips and tricks

    Over time I would like to have an inclusive thread that we can use as a reference to finding fixes for problems, as well as a place to find information about modding the Nytro. There is a subsection for boost, so I'm going to limit this thread to all the non-boost mods and fixes out there...
  8. A

    2008 Yamaha Nitro MTX Sleds for sale

    I have 2 Nitro Mountain sleds for sale. They were purchased in the spring of 2008. They both have the snow/skid plates installed, CR Steering shafts with ROX fully adjustable Handlebar risers. One is Blue/Black and the other is the Red/Black 40th Anniversary Edition. The Red/Black one has Fox...
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