ENGINE PARTS

5

4

3

2

1. Rope handle

1

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

6

16

7

15

8

9

14

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

10

11

12

13

GENERAL INFORMATION

ENGINE MODEL

This is a single cylinder, L-head, air-cooled engine. It is a low emissions engine.

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° .

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)

THE INTERNATIONAL SYMBOLS USED

ON THE ENGINE OR

IN THIS MANUAL INCLUDE:

Safety Alert

Read Owner’s

 

Manual

On Off

Oil

Stop

Fuel Shutoff

Choke

Fuel

6

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Briggs & Stratton 19E400 19F400 19G400 192400 196400 197400 250400 256400 257400 Engine Parts, Engine Model, Model Series