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ENGINE INFORMATION
MODEL SERIES 470000
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
13. Fuel pump (if equipped)
14. Muffler
15. Choke control
16. Throttle control
(2 possible locations)
17. Radiator reservoir
18. Oil filter
19. Oil pressure sensor
20. Engine Model label
Model Type Code
xxxxxx xxxx xx xxxxxxxx
3
8
17
18
14
15
6
5
1
2
7
9
19
16
3
20
4
10
11
12
13
16
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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°.
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). . . . . . . . . . . . . . . . .