Document: - page 6 (Black)
Screen angle and frequency: 45.0000, 150.0000
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ENGINE INFORMATION
1. Rope handle
2. Blower housing
3. Carburetor
4. Air cleaner
5. Stop switch (if equipped)
6. Fuel fill
7. Fuel tank
8. OIL GARD (if equipped)
9. Engine Model Type Code
xxxxx xxxx xx xxxxxxxx
10. Spark plug wire
11. Extended oil fill/Dipstick (if equipped)
12. Muffler/(Muffler guard, if equipped)/
(Spark arrester, if equipped)
13. Oil fill plug
14. Oil drain plug
15. 12 V electric starter (if equipped)
16. Fuel shut-off valve
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GENERAL INFORMATION
ENGINE MODEL
This is a single cylinder, L-head, air-cooled engine. It is a
low emissions engine.
In the state of California, the 190000 and 250000 series
engines covered in this manual are certified by the
California Air Resources Board to meet emissions stan-
dards 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.
TUNE-UP SPECIFICATIONS
Armature air gap 0.010 – 0.014 in. (0.25 – 0.36 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). . . . . . . . . . .
MODEL SERIES 190000
Bore 3 in. (76.20 mm). . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stroke 2-3/4 in. (69.85 mm). . . . . . . . . . . . . . . . . . . . . . . . .
Displacement 19.44 cu. in. (318.5 cc). . . . . . . . . . . . . . . .
MODEL SERIES 250000
Bore 3-7/16 in. (87.31 mm). . . . . . . . . . . . . . . . . . . . . . . . . .
Stroke 2-5/8 in. (66.68 mm). . . . . . . . . . . . . . . . . . . . . . . . .
Displacement 24.36 cu. in. (399.3 cc). . . . . . . . . . . . . . . .
Note: For practical operation, the horsepower loading should
not exceed 85% of rated horsepower. Engine power will de-
crease 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).
Engine will operate satisfactorily at an angle up to 15°.
