Harbor Freight Tools 68120 Manual De Usuario

Page 2

Horizontal Engines 

        

Specifications ............................................. 2
Safety ......................................................... 3
Setup .......................................................... 6
Operation .................................................... 8

Maintenance .............................................. 14
Troubleshooting ......................................... 18
Warranties ................................................. 20
Parts Lists and Diagrams .......................... 22

Displacement

212cc

346cc

420cc

Engine Type

Horizontal Single Cylinder 4 stroke OHV

Cooling System

Forced air cooled

Fuel

Type

87+ octane unleaded gasoline

Capacity

1 Gallon

1 Gallon

1 Gallon

Engine Oil

Type SAE

10W-30 above 32° F

 5W30 at 32° F or below

Capacity

0.5 Quart

1.16 Quart

1.16 Quart

Run Time @ 50% Load  

with full tank

3 hr.

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

8.5:1

Rotation 

viewed from PTO  

(power takeoff - the output shaft)

Counterclockwise

Shaft

Shaft

3/4″ x 2.41″ 

1″ x 3.48″

1″ x 3.48″

Keyway

3/16″ (4.76 mm)

1/4″ (6.35 mm)

1/4″ (6.35 mm)

End Tapped

5/16″ - 24 UNF

3/8″ - 24

3/8″ - 24

Spark Plug

Type

NGK

®

 BP-6ES

NHSP

® 

/ Torch

®

 F6TC

NHSP

® 

/ Torch

®

 F6TC

NHSP

® 

/ Torch

®

 F6TC

Gap

0.7 - 0.8 mm

Valve Clearance

Intake

0.10 - 0.15 mm

Exhaust

0.15 - 0.20 mm

Speed

Idle

1,800 ± 50 RPM