Yamaha YZ85LC Fahrer- Und Wartungs-Handbuch Seite 468

Pilot jet adjustment
The richness of air-fuel mixture with the throttle
fully closed to 1/2 open can be set by turning
the pilot jet 1. It is changed when adjustment
cannot be made by the pilot air screw alone.
A larger size jet results in a richer mixture at
low speeds, and a smaller size in a leaner mix-
ture.
5PA70070
Standard pilot jet
Jet needle adjustment
The richness of air-fuel mixture with 1/4 ~ 3/4
throttle can be set by changing the jet needle
1.
A smaller diameter jet needle results in a richer
mixture at middle speeds, and a larger diame-
ter in a leaner mixture.
Standard jet needle
5PA70080
7 - 4
T U N
SETTING
#45
NBKF