ENGINE INFORMATION

 

 

7

12

 

6

 

5

 

13

 

 

 

 

 

8

4

 

 

9

3

14

2

10

 

15

 

11

 

1

1.12 V electric starter

2.Oil drain plug

3.Fuel fill

4.Fuel tank

5.Oil fill/Dipstick

6.Finger guard

7.Rope handle

8.Air cleaner

9. Engine

Model

Type

Code

 

xxxxx

xxxx xx

xxxxxxxx

10.Muffler/(Muffler guard, if equipped)/ (Spark arrester, if equipped)

11.Spark plug wire

12.Rotating screen

13.Blower housing

14.Fuel filter

15.Carburetor

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 280000 series engines covered in this manual 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 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 280000

Bore . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7/16 in. (87.31 mm) Stroke . . . . . . . . . . . . . . . . . . . . . . . . 3-1/16 in. (77.78 mm) Displacement . . . . . . . . . . . . . . . . 28.42 cu. in. (465.7 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). Engine will operate satisfactorily at an angle up to 15°.

6

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.

Model 190000 intake . . . . . .005 – .007 in. (.13 – .18 mm) Model 190000 exhaust . . . .007 – .009 in. (.18 – .23 mm) Model 280000 intake . . . . . .005 – .007 in. (.13 – .18 mm) Model 280000 exhaust . . . .009 – .011 in. (.23 – .28 mm)

THE INTERNATIONAL SYMBOLS USED

ON THE ENGINE OR

IN THIS MANUAL INCLUDE:

Safety Alert On Off

Read Owner’s

Oil

 

Manual

 

Fuel Shutoff

Choke

Fuel

Stop