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GENERAL
INFORMATION
ENGINE
MODEL
This is a single cylinder, overhead valve (OHV), air-cooled engine. It is a low emissions engine.
In the state of California, OHV Model Series 110000 and 120000 engines are certified by the California Air Resources
Board to meet emissions standards for 125 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
110000
Bore ................................
2-11/16 in. (68.26 ram)
Stroke ..............................
1-51/64 in. (46.00 ram)
Displacement ........................
10.20 cu. in. (167.4 cc)
MODEL
SERIES
120000
Bore ................................
2-11/16 in. (68.26 ram)
Stroke ...............................
2-3/64 in. (52.00 ram)
Displacement ........................
11.58 cu. in. (189.7 cc)
Note: For practical operation, the horsepower loading should not exceed 85% of rated horsepower. 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 °.
TUNE-UP
SPECIFICATIONS
Armature air gap ..........
0.006 - 0.014 in. (0.25 - 0.36 mm)
Spark plug gap ..........................
0.020 in. (0.51 mm)
Valve clearance with valve springs installed and piston 1/4 in. (6 mm) past top dead center (check when engine is cold). See
Repair Manual PIN 274008.
Intake ....................
0.004 - 0.006 in. (0.10 - 0.15 mm)
Exhaust ...................
0.009 - 0.011 in. (0.23 - 0.28 mm)
• This engine is certified to operate on gasoline. Exhaust Emission Control System: EM (Engine Modifications).
EMISSION
CONTROL
Maintenance, replacement
or repair of the emission control devices
and systems may be performed
by any
nonroad engine repair establishment
or individual.
However, to obtain no charge repairs under the terms and
provisions of the Briggs & Stratton warranty statement, any service or emission control part repair or replacement must be
performed by a factory authorized dealer.
F-O20433M
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