SAFETY
Table of Contents
Specifications | 2 | Maintenance | 14 |
Safety | 3 | Troubleshooting | 18 |
Setup | 6 | Warranties | 20 |
Operation | 8 | Parts Lists and Diagrams | 22 |
Specifications
Description
68120, 68121
68136
68306
SETUP
OPERATION
MAINTENANCE
Displacement |
| 212cc | 346cc |
| 420cc |
Engine Type |
| Horizontal Single Cylinder 4 stroke OHV | |||
Cooling System |
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| Forced air cooled |
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Fuel | Type | 87+ octane unleaded gasoline | |||
Capacity | 1 Gallon | 1 Gallon |
| 1 Gallon | |
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| Type SAE |
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Engine Oil |
| 5W30 at 32° F or below |
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| Capacity | 0.5 Quart | 1.16 Quart |
| 1.16 Quart |
Run Time @ 50% Load |
| 3 hr. |
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with full tank |
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Sound Level at 22 feet | 104 dB | 108 dB |
| 108 dB | |
Bore x Stroke |
| 70 mm x 55 mm | 83 mm x 64 mm |
| 90 mm x 66 mm |
Compression Ratio |
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| 8.5:1 |
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Rotation viewed from PTO |
| Counterclockwise |
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(power takeoff - the output shaft) |
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| Shaft | 3/4″ x 2.41″ | 1″ x 3.48″ |
| 1″ x 3.48″ |
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Shaft | Keyway | 3/16″ (4.76 mm) | 1/4″ (6.35 mm) |
| 1/4″ (6.35 mm) |
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| End Tapped | 5/16″ - 24 UNF | 3/8″ - 24 |
| 3/8″ - 24 |
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Spark Plug | Type | NGK® | NHSP® / Torch® F6TC |
| NHSP® / Torch® F6TC |
NHSP® / Torch® F6TC |
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| Gap |
| 0.7 - 0.8 mm |
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Valve Clearance | Intake |
| 0.10 - 0.15 mm |
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Exhaust |
| 0.15 - 0.20 mm |
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Speed | Idle |
| 1,800 ± 50 RPM |
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Page 2 | For technical questions, please call | Horizontal Engines |
