Briggs & Stratton 54000 - Manual (Page 13)

13
Specifications
We recommend that you use an authorized Briggs &
Stratton Service Dealer for all maintenance and service
of the engine and engine parts. Use only genuine
Briggs & Stratton parts.
In the state of California, Model Series 540000 engines
are certified by the California Air Resources Board to
meet emissions standards for 1000 hours. Such
certification does not grant the purchaser, owner or
operator of this engine any additional warranties with
respect to the performance or operational life of this
engine. This engine is warranted solely according to the
product and emissions warranties stated elsewhere in
this manual.
Model Series 540000
Bore
3.36 in. (85.5 mm) . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stroke 3.07 in. (78 mm) . . . . . . . . . . . . . . . . . . . . . . . . . . .
Displacement 54.6 cu. in. (895 cc) . . . . . . . . . . . . . . . . . .
Tune-up Specifications
Armature air gap
0.005 – 0.008 in. (0.13 – 0.20 mm) . .
Spark plug gap 0.030 in. (0.76 mm) . . . . . . . . . . . . . . . . .
Valve clearance with valve springs installed and piston 1/4
in. (6 mm) past top dead center (check when engine is
cold).
Intake
0.004 – 0.006 in. (0.10 – 0.15 mm) . . . . . . . . . . . .
Exhaust 0.004 – 0.006 in. (0.10 – 0.15 mm) . . . . . . . . . .
Note: Engine power will decrease 3-1/2% for each 1,000
feet (300 meters) above sea level and 1% for each 10 ° F
(5.6 ° C) above 77° F (25° C). It will operate satisfactorily at
an angle up to 15 °. Refer to the equipment operator manual
for safe allowable operating limits on slopes.
Model, Type and Code Number
To get replacement parts or technical assistance in the
future write your engine Model, Type and Code number
along with the date of purchase here. These numbers
are located on your engine. For the location, see page
with Engine Features.
Model Series
Type
Code
Date of Purchase