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GTH990
Generac Power Systems GTH990 User Manual
74 pages
Manual
Specs
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ENGINE
SERVICE
MANU
AL
AIR
-
COOLED ENGINES
OHVI® V
-
T
win Engine
MODELS:
GTH760/990/1000
GTV760/990/1000
®
2
Table of Contents
Table of Contents
3
Service Information
5
4-Cycle Engine Theory
6
Section 1: General Information
8
Section 2: Ignition
14
Section 3: Carburetion and Fuel System
17
Section 4: Governor Controls and Governor
27
Section 5: Cylinder Head and Valves
31
Section 6: Electric Starter
42
Section 7: Alternators
45
Section 8: Lubrication System
47
Section 9: Engine Disassembly
51
Section 10: Cylinder and Crankcase Cover
53
Section 11: Crankshaft and Camshaft
57
Section 13: Engine Assembly
64
Section 14: Specifications
69
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Generac Power Systems GTH990 Specifications
General
Displacement
999cc
Cylinders
2
Fuel Type
Gasoline
Oil Capacity
1.9 quarts
Cooling System
Air-cooled
Starting System
Electric
Battery
12V
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