Briggs & Stratton 272147 Repair Manual page 79

b. Repeat for other idle mixture valve.
Fig. 190
10. With equipment control lever in "SLOW" position
and engine running at governed idle RPM, use
tang bender, Tool
restrictor tang
governor lever, Fig. 191.
Fig. 191
11. Move equipment control to
Engine should accelerate smoothly. (Readjust idle
mixture valve 1/8 turn richer if necessary.)
12. Move control throttle lever to
check engine RPM.
Page 74
, and bend throttle
#19480
so that tang just contacts
position.
FAST
position and
FAST
TM
Vanguard Twin-Cylinder OHV Liquid-Cooled Engine
Section 6 - Final Adjustments & Specifications
13. Bend tang with Tool
Fig. 192.
Fig. 192
NOTE
: To obtain precise Top No Load speed,
turn final adjustment swivel screw clockwise to
increase speed or counter-clockwise to decrease
speed, Fig. 193.
Final tune adjustment not to exceed + 50 RPM
Fig. 193
to obtain 3600 RPM,
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