Briggs & Stratton 127700 Series, Operating & Maintenance Instructions

Page: 6 / 20

265v12Q - page 6 (Black)
Screen angle and frequency: 45.0000, 150.0000
6
ENGINE PARTS
1. Primer bulb (if equipped)
2. Carburetor
3. Spark plug wire
4. Cylinder area
5. Muffler/(Muffler guard, if equipped)/
(Spark arrester, if equipped)
6. Flywheel brake
7. Engine
Model Type Code
xxxxx xxxx xx xxxxxxxx
8. Oil fill/Dipstick
9. Fuel tank
10. Air cleaner
11. Fuel fill
12. Finger guard
13. Rope handle
14. Side drain plug (if equipped)
13
8
9
12
11
10
1
2
3
4
5
6
7
14
GENERAL INFORMATION
ENGINE MODEL
This is a single cylinder, L-head, air-cooled engine. It is a
low emissions engine.
MODEL SERIES 120000
Bore 2-11/16 in. (68.26 mm) . . . . . . . . . . . . . . . . . . . . . . . . .
Stroke 2-3/64 in. (51.99 mm) . . . . . . . . . . . . . . . . . . . . . . . .
Displacement 11.57 cu. in. (189.6 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 – 0.010 in. (0.15 – 0.25 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).
See Repair Manual P/N 270962.
Intake 0.005 – 0.007 in. (0.13 – 0.18 mm) . . . . . . . . . . . . .
Exhaust 0.007 – 0.009 in. (0.18 – 0.23 mm) . . . . . . . . . . .
THE INTERNATIONAL SYMBOLS USED
ON THE ENGINE OR
IN THIS MANUAL INCLUDE:
On Off
Fuel Shutoff
Read Owner’s
Manual
Stop
Fuel
Choke
Safety Alert
Oil
Primer