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Top No Load Adjustment Vertical Models
110000, 120000, 150000 with Primer
Carburetors
1. Start engine and run until it reaches
operating temperature.
2. Place throttle in FAST position.
3. Using Tachometer #19200 or #19389, and
Tang Bender #19229 or #19352, bend
Top No Load spring tang to obtain correct
Top No Load RPM (Figure 32).
NOTE: Correct Top No Load RPM for each
model-type-trim can be found in the engine
replacement data on Briggs & Stratton websites.
Figure 32
Idle and Top No Load Adjustment Vertical
Models 110000, 120000, 150000 with Choke-
A-Matic® Carburetors
1. Start engine and run until it reaches
operating temperature.
2. Place throttle in SLOW position. Hole in
lever will line up with hole in governor
control bracket (Figure 33). Insert a 1/8”
rod through holes to lock lever in this
position.
Figure 33
3. Hold throttle lever against idle speed
screw and, using Tachometer #19200 or
#19389, adjust to 1500 RPM. Release
throttle lever.
4. Using Tang Bender #19229 or 19352 bend
governed idle spring tang to obtain 1750
RPM (Figure 34).
5. Remove 1/8” rod.
Figure 34
6. Move throttle lever to FAST position. Hole
in lever will line up with hole in governor
control bracket (Figure 35). Insert a 1/8”
rod through holes to lock lever in this
position.
Figure 35
7. Using Tang Bender, bend Top No Load
spring tang to obtain correct Top No Load
RPM.
NOTE: Correct Top No Load RPM for each
model-type-trim can be found in the engine
replacement data on Briggs & Stratton websites.
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