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
.
*For EUROPE
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
#420
*#430
5NY-9-30-7A 5/23/01 9:19 PM Page 6
Summary of Contents for YZ125(P)/LC
Page 128: ...3 3 INSP ADJ MEMO...
Page 286: ...4 37 ENG CLUTCH AND PRIMARY DRIVEN GEAR 4 Install 9Plain washer 1 9Circlip 2...
Page 562: ...TUN MEMO...
Page 563: ......