ENGINE PARTS
3 | 9 | 10 | |
11 | |||
|
|
2
4
1
8
12
7
1. Air cleaner | 6 |
2.Carburetor
3.Rewind starter (if equipped)
4.Blower housing
5.Oil filter (if equipped)
6.Spark plug wire
7.Oil drain plug
8.Oil fill/Dipstick
5 | 13 |
|
14
9.Rotating screen
10.Emission label
11.Engine Model Type Code
| xxxxxx | xxxx xx xxxxxxxx |
12. | Fuel pump |
|
13. | Exhaust manifold |
|
14. | 12V electric |
|
GENERAL INFORMATION
ENGINE MODEL
This is a twin cylinder, overhead valve (OHV),
In the state of California, Model Series 290000, 300000 and 350000 engines are certified by the California Air Re- sources 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.
MODEL SERIES 290000 and 300000
Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.68 in. (68 mm)
Stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.60 in. (66 mm)
Displacement . . . . . . . . . . . . . . . . . . . 29.3 cu. in. (480 cc)
MODEL SERIES 350000
Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.83 in. (72 mm)
Stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.76 in. (70 mm)
Displacement . . . . . . . . . . . . . . . . . . . 34.7 cu. in. (570 cc)
Note: For practical operation, the horsepower loading should not exceed 85% of rated horsepower. Engine power will de- crease
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 272144.
Intake . . . . . . . . . . . . . 0.004 – 0.006 in. (0.10 – 0.15 mm)
Exhaust . . . . . . . . . . . 0.004 – 0.006 in. (0.10 – 0.15 mm)
6