ENGINE INFORMATION

MODEL SERIES 470000

11

10

12

13

1 2

15

16

16

3

3

4

14

9

8

5

20

7

17

6

1.Oil fill cap

2.Dipstick

3.Spark plug (2 locations)

4.Starter solenoid

5.Starter

6.Oil drain plug (2 locations)

7.Fan belt

8.Fuel filter

9.Radiator drain plug

10.Radiator screen and handle

11.Radiator and radiator cap

12. Air Cleaner

18

13.Fuel pump (if equipped)

14.Muffler

15.

Choke control

 

 

16.

Throttle control

19

6

 

(2 possible locations)

 

 

 

 

17.Radiator reservoir

18.Oil filter

19.Oil pressure sensor

20.Engine Model label

Model

Type

Code

xxxxxx

xxxx xx

xxxxxxxx

GENERAL INFORMATION

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

In the state of California, Model Series 470000 engines are certified by the California Air Resources Board to meet emissions standards for 250 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.

Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.19 in. (81 mm) Stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.87 in. (73 mm) Displacement . . . . . . . . . . . . . . . . . . . . . . . . . 45.9 cu. in. (752 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 25°.

6

TUNE-UP SPECIFICATIONS

MODEL SERIES 470000

Armature air gap . . . . . . . . .

0.008 – 0.012 in. (0.20 – 0.30 mm)

Spark plug gap . . . . . . . . . . .

. . . . . . . . . . . . . 0.020 in. (0.51 mm)

Valve clearance with valve springs installed and piston 1/4 in. (6 mm) past top dead center (check when engine is cold).

Intake . . . . . . . . . . . . . . . . . . .

0.007 – 0.009 in. (0.18 – 0.23 mm)

Exhaust . . . . . . . . . . . . . . . . . 0.007 – 0.009 in. (0.18 – 0.23 mm)