Service Manual
4-2
Table of Contents
Twin Cylinder Engine Service Manual
February 2017 - Digital Edition
CONTROL PLATE (THROTTLE AND CHOKE)
This section covers the description, location, and operation of the engine controls including throttle and choke
cable mounting, governor troubleshooting, “zero” adjustment and top no-load RPM adjustment.
WARNING: Unauthorized adjustment to the carburetor or fuel system may make the machine non-
compliant to EPA standards. Make sure components are set to factory standards.
WARNING
Explosive fuel can cause res and severe burns.
Do not ll fuel tank while engine is hot or running.
Gasoline is extremely ammable and its vapors can
explode if ignited. Store gasoline only in approved
containers, in well ventilated, occupied buildings, away
from sparks or ames. Spilled fuel could ignite if it
comes in contact with hot parts or sparks from ignition.
Never use gasoline as a cleaning agent.
Engine Controls Operation
Introduction: The control plate transfers the operator’s choke and throttle settings to the carburetor (Figure 1).
Figure 1