Service Manual

4-10
Table of Contents
Twin Cylinder Engine Service Manual
February 2017 - Digital Edition
CONTROL PLATE (THROTTLE AND CHOKE)
Adjustment (Cont.)
Top No-Load RPM (Cont.)
B) Adjust
1. Insert pin into alignment hole through the control plate and throttle pivot arm (Figure 11).
NOTE: Examples of a pin: hex key, end of drill bit, solid rod, screwdriver, etc.
2. Change speed by bending the governor spring anchor on the control plate.
-Increase speed (elongate spring): insert pliers and rotate clockwise (CW) to bend anchor.
-Decrease speed (shorten spring): insert pliers and rotate counter-clockwise (CCW) to bend anchor.
3. Remove the pin.
4. Verify top no-load RPM adjustment with a tachometer.
Idle RPM
See “Adjusting Idle Speed,” chapter 3, page 3-35.
Figure 11