![](/images/backgrounds/224992/bg141.png)
7 - 3
TUN
SETTING
Effects of the setting parts on the throttle valve opening 1
Pilot screw/pilot jet
2
Throttle valve cutaway
3
Jet needle
4
Main jet
ÅClosed
ıFully open
1/2 3/4
1/41/8
1
2
3
4
Åı Main system The FLATCR carburetor has a primary mainjet. This type of main jet is perfect for racingmotorcycles since it supplies an even flow offuel, even at full load. Use the main jet and thejet needle to set the carburetor. 1
Jet needle
2
Pilot air jet
3
Needle jet
4
Main jet
5
Pilot jet
6
Pilot screw