Briggs & Stratton 445700, 407700, 406700 warranty Engine Parts, Engine Model, Model Series

ENGINE PARTS

5	6	8
		13

4

12

3

11

		7
	2	1		10
1.	Spark plug wire	8.	Blower housing			9
2.	Oil drain plug	9.	Oil filter
3.	12V electric starter	10.	Emission label
4.	Oil fill/Dipstick	11.	Intake manifold
5.	Rotating screen	12.	Carburetor
6.	Air cleaner	13.	Engine	Model	Type	Code
7.	Fuel pump			xxxxxx	xxxx xx	xxxxxxxx

GENERAL INFORMATION

ENGINE MODEL

This is a twin cylinder, overhead valve (OHV), air-cooled engine. It is a low emissions engine.

In the state of California, Model Series 400000 and 440000 engines are certified by the California Air Resources Board to meet emissions standards for 250 hours. Such certifica- tion 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 400000

Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.97 in. (75.44 mm)

Stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.89 in. (73.4 mm)

Displacement . . . . . . . . . . . . . . . . . . . 40.0 cu. in. (656 cc)

MODEL SERIES 440000

Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.12 in. (79.25 mm)

Stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.89 in. (73.4 mm)

Displacement . . . . . . . . . . . . . . . . . . . 44.2 cu. in. (725 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° .

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

TUNE-UP SPECIFICATIONS

Armature air gap . . . 0.008 – 0.012 in. (0.20 – 0.30 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 273521.

Intake . . . . . . . . . . . . . 0.004 – 0.006 in. (0.10 – 0.15 mm)

Exhaust . . . . . . . . . . . 0.004 – 0.006 in. (0.10 – 0.15 mm)

6