Install Governor Shaft (Early Style); Install Governor Gear; Install Crankcase Cover Or Sump; Static Governor Adjustment - Briggs & Stratton Twin Cylinder L-Head Repair Manual

Install Governor Shaft
(Early Style)
Early style twin cylinder governor shaft bearings are an
integral part of the cylinder and are not replaceable. If
bearings are worn, replace cylinder.
1. Assemble thrust washer to governor shaft and
insert governor shaft through lower support and
cylinder bearing, Fig. 22.
2. Install thick thrust washer and "E" ring.
3. Reassemble governor lever to governor shaft. DO
NOT tighten nut at this time.
4. Push governor paddle against cylinder rib, Fig. 22.

Install Governor Gear

1. Install thrust washer, governor gear, spring retainer
and governor cup, Fig. 23.
2. Rotate the governor gear on the shaft to be sure it
is free and the weights and cup are in the proper
location so that they will be able to move freely
without binding.

Install Crankcase Cover Or Sump

1. Rotate crankshaft until #1 intake valve is wide
open.
2. Install crankcase cover or sump with new gasket.
3. To engage governor gear (horizontal or vertical
crankshaft models) and oil slinger (vertical crank-
shaft models) rock crankshaft back and forth.
4. Torque cover or sump bolts to 225 in. lbs. (25.0 Nm),
Fig. 24.
WARNING: BEFORE STARTING or running
engine, static adjustment of the governor must
be completed! Failure to make the static
adjustments first could result in engine over-
speeding which may result in engine damage,
property damage or personal injury.

STATIC GOVERNOR ADJUSTMENT

1. With governor lever nut loose, push governor lever
counter-clockwise as far as it will go (wide open
throttle) and hold in this position.
2. Rotate governor shaft counter-clockwise as far it
will go, Fig. 25.
Torque governor nut to 100 in. lbs. (11.0 Nm). A 7/16"
crowfoot socket may be required on ducted engines.
See procedure below for dual speed or 1800 RPM
generators.
8
4
CYLINDER
RIB
GOVERNOR
PADDLE
Fig. 22 – Governor Shaft Assembly (Early Style)
GOVERNOR
CUP
GOVERNOR
GEAR
AND WEIGHTS
Fig. 23 – Install Governor Gear
2
4
Fig. 24 – Torque Screws
Fig. 25 – Static Governor Adjustment
"E" RING
THICK
WASHER
CYLINDER
BEARING
LOWER
SUPPORT
BEARING
THRUST
WASHER
SPRING
RETAINER
THRUST
WASHER
5
7
3
TORQUE SCREWS
TO 225 in. lbs. (25.0 Nm)
1
6
TORQUE TO 100 in. lbs.
(11.0 Nm)