Checking and Adjusting Idle-rpm, Ignition Timing and Mixture Ratio (Cont'd)
MA-46flowchartCAUTION
Do not attempt to screw the idle adjusting screw down completely. Doing so could cause damage to tip, which in turn will tend to cause malfunctions.
Adjusting idle without "CO"-meter
1
C (continued from MA-45, without "CO"-meter)
2
Turn out idle adjusting screw approximately three turns, starting from fully closed position.
3
Adjust engine speed by turning throttle adjusting screw. Engine speed: rpm 950 ± 50
4
Turn idle adjusting screw until engine runs smoothly at highest speed.
Engine speed rises.
return to step 3
Engine speed does not rise.
5
Adjust engine speed by turning in idle adjusting screw. Idle speed: rpm 900 ± 50
END