jaguar's latest activity

  • jaguar
    Royal Purple octane booster definitely works. If you don't like changing crank seals twice as often then don't use gas with alcohol. I made that mistake and now totally swear...
  • jaguar
    video about a free spreadsheet for selecting a different needle for Keihin carbs:
  • jaguar
    jaguar replied to the thread All About Engine Oils.
    There are two ways to determine fuel/oil ratio: 1) for race engines that you want the best power from them you just use a lot of oil, close to 32:1 (of any type oil with a...
  • jaguar
    jaguar replied to the thread Help 04 Cr85 main jet problem!.
    you said the piston is wearing down and it runs rich both of those happen when you don't use enough oil. tell me which oil you use and I can recommend a ratio
  • jaguar
    2 Stroke Carburetor Tuning
  • jaguar
    jaguar replied to the thread carb sizing formula revisited.
    OK here's my web page on this that has a link to a free download of a spreadsheet that will tell you the carb diameter needed dependent on engine size and intended use: 2...
  • jaguar
    jaguar replied to the thread carb sizing formula revisited.
    This chart generally shows the velocity thru the carb that the manufacturers selected dependent on the engine size and type of intended use:
    • carbvelocity.gif
  • jaguar
    jaguar replied to the thread carb sizing formula revisited.
    Now that I've researched even further I've found it's not as straight-forward as using a set variable formula. Looking at bike specs and figuring out each ones WOT max RPM carb...
  • jaguar
    Redoing The Carb Sizing Formula It seems to me that the formula .8 x square root (engine cc * RPM/1000) came from car carburetor manufacturers and so I wanted to redo the...
  • jaguar
    jaguar replied to the thread Help Issue dt 200 yamaha dying.
    take the carb jets out and push a wire through them to clean them out, especially the idle jet since its the smallest. make sure you have good fuel flow to the carburetor and...
  • jaguar
    jaguar replied to the thread Help 04 Cr85 main jet problem!.
    what oil you using and at what fuel/oil ratio? make sure your air filter is clean and that the pipe stinger isn't carboned up and restricting flow at high rpm. If you suspect...