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Specifications
Engine Specifications
Model 120000
Displacement 11.57 ci (190 cc)
Bore 2.687 in (68.25 mm)
Stroke 2.047 in (52 mm)
Oil Capacity 18 -- 20 oz (0.54 -- 0.59 L)
Tune-up Specifications *
Model 120000
Spark Plug Gap 0.020 in (0.50 mm)
Spark Plug Torque 180 lb-in (20 Nm)
Armature Air Gap 0.006 - 0.010 in (0.15 - 0.26 mm)
Intake Valve Clearance 0.005 - 0.007 in (0.13 - 0.18 mm)
Exhaust Valve Clearance 0.007 - 0.009 in (0.18 - 0.23 mm)
* Engine powerwill decrease 3.5% for each 1,000 feet (300meters) above sea level and
1% for each 10 F(5.6 C) above 77 F(25 C). The engine will operate satisfactorily at
an angle up to 15. Refer to the equipment operator’s manual for safe allowable
operating limits on slopes.
Common Service Parts n
Service Part Part Number
Air Filter, Standard 797301
Air Filter, High Capacity 491588, 5043
Air Filter Pre-cleaner, Flat 493537, 5064
Oil -- SAE 30 100005
Advanced Formula Fuel Treatment & Stabilizer 5442
Resistor Spark Plug 591868
Spark Plug Wrench 89838, 5023
Spark Tester 19368
Fuel Filter 298090, 5018
n We recommend that you see any Briggs & Stratton Authorized Dealer for all
maintenance and service of the engine and engine parts.
Not for
Reproduction