Os-engines 18TM Revo Manuel d'utilisateur télécharger pdf (Page 12)

CARBURETOR CONTROLS

Four adjustable controls are provided on

this carburetor.

Needle Valve

Throttle Stop

Screw

Mixture Control Valve

Thermo Insulator

Metering Needle

The Needle-Valve;

For adjusting the mixture strength

when the

throttle is fully open.

The Mixture Control Valve:

For changing the mixture strength at mid

speed and acceleration. (Do not rotate the

screw more than one turn.)

The Metering Needle:

For adjusting the mixture strength at part-

throttle and idling speeds, to obtain steady

idling and smooth acceleration to mid

speeds.

The Throttle Stop Screw:

For setting the minimum idle speed:

NOTE: Readjustment may be necessary,

occasionally to allow for changes in fuel

formula gear ratio or clutch engagement

point.

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