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      JUST IN!   07/18/2018

      Video: 2019 Yamaha YZ250F Features & Benefits 


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About Gasit

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  1. More good reading on how multigrade oils function and how to read an oil can ... The sight has a lot of good articles on lubrication, mostlly industrial but a lot of automtoive, gas & diesel motor stuff too.. A Simple Explanation of Viscosity Index Improvers: http://www.machinerylubrication.com/Read/1327/viscosity-index-improvers How to Read an Oil Can: http://www.machinerylubrication.com/Read/171/oil-can
  2. check pg 2 last post http://www.thumpertalk.com/forum/showthread.php?t=772322
  3. My cam is after market. Have you verified that it is not your cam sprocket moving? I've heard of the sprocket mount slipping on the cam, it is pressed on..
  4. after you write it, read it to verify
  5. If it's an o-ring chain, use the o-rings, must be o-ring if it came with o-rings, the stock chain is not o-ring so the manual will be no help, be sure to put the clip on forward ...
  6. Yes, I welded the crank sprocket. When it slipped, I also, re-timed it a couple of times (moved the cam 1 to 2 teeth) before I figured out what was going on, as my cam was already welded and everything was new. You are correct, the only way to properly time the cam is with a degree wheel. Is your crank aftermarket or oem? mine is aftermarket. How many hours are on yours? mine was new
  7. I would bet one of the gears/sprockets are moving, could be either, I've seen both.
  8. Yes, the number I listed is for the later models, it's the same seal though with a diffrent number, I've used both. Good luck & let us know how it goes ....
  9. OIL SEAL (10X21X5) Honda #91204-MEN-A31 (in the left cover seals the end of the crank) O-RING (39.8X2.2) Honda #91302-PA9-003 (for the oil filter cover)
  10. We use Buchanan's stainless steel spokes & nipples, they are the best IMO
  11. been there done that seen a guy suck a rag through the top end when the motor actually fired up
  12. You can keep the pipe, but this site does rock!
  13. Had the same issue with our 09, had spark but no fuel, everthing checked ok electrically, found the pump was working (had good flow) but it wasn't building pressure, put a new pump in it & all was good...
  14. Did you drain the oil then refill motor & tranny with correct amount, test ride to see if it still makes the noise? It’s probably the dry tranny/clutch making the noise... as was already said You will have to replace the right side main seal to correct the oil migration... as was already said