There are two scews on the side of the Carb.
The one on the right is the high speed setting.
It determines the power ratio / Fuel when the unit
is under load.
Once you get it set up properly the unit will run fine.
One word of caution. Anything works great in the garage !!
the proper way to set these AV520 Tech. motors is under load
on the ice ... drilling.
Here it is in a nut shell.
Gently turn it in so it is just closed all the way .
turn it back out 3/4 to 5/8 of a turn.
this is your baseline/ starting point. use 1/8 turns either
way to fine tune.
If your having problems after this ... send me a PM and we
can talk about it.
I have a few Carb kits left for the Tech. carbs and one pager instructions
on how to set'm up. .... for Forum Members .
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