"The carbs are not difficult, you just need to learn what is required and what not. Try this article on how to set the main jet , its a lot easier than teaching the driver to play with adjustable jets as most do not get it until…"
"Yep.... you need a Phd. to work out these carbys.
I raced Yamaha KT100s and X30 for 15 years before retiring to allow my son to start racing. I feel for the parents entering the sport with no experience at all."
"awesome video. In the comments , the guy in the video wrote "I start at 3/4, 97maim jet and clip 4 on the needle for sea level tracks. As you increase your height above sea level you can lean the main jet out to a 95."
WTF ... Clip 4???"
"Unrestricted (Cadet 12)
Float height? As it came out of the box
Air temp? ~19c
Humidity? No idea
Altitude? Oakleigh, so pretty close to sea level
Fuel return line yes/no if yes, what size restrictor? Yes, restictor is a spark plug screw cap shoved…"
"Std needle setting is 2nd from top, brass idle screw is 1 turn out and idle speed 31/2- 4 turns out. This will give you a good baseline but tuning a mini rok is very much weather dependant just like a rotax with jets, needle height and also float…"
"Maxima 927 seems to be fairly widely used amongst Cadets. We did use it at 20:1 for a while but changed over to Redline synthetic at same ratio which in my opinion was better. Most engine tuners still use Shell M as a run in oil and then change to…"