7-3
TUN
SETTING
EC714060
Effect of setting parts in relation to throttle
valve opening
1
Throttle valve opening
2
Full-open
3
Full-closed
EC715002
Main jet adjustment
The richness of air-fuel mixture with 1/2~4/4
throttle can be set by changing the main jet
1
.
*Except for USA and CDN
1. Spark plug is too hot.
Select a main jet having higher calibrating
No. than standard. (To be enriched)
2. Spark plug is wet.
Select a main jet having lower calibrating No.
than standard. (To be leaned out)
Setting part
Throttle valve opening
Full-closed 1/4
1/2
3/4 Full-open
Pilot air screw
Pilot jet
Diameter of
straight portion
Clip position
Throttle valve
Main jet
Jet needle
Standard main jet
#410
*#430
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