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KT715
Kohler KT715 Service Manual
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5
Specications
32 690 03 Rev
. E
KohlerEngines.com
Dimensions in millimeters.
Inch equivalents shown in [ ].
Engine Dimensions
37.00
[1.46]
4X Ø 9.005 ± 0.035
[.355 ± .0014]
254.00 B.C.
[10.000]
4
6
Table of Contents
Table of Contents
1
Safety Precautions
2
Maintenance Instructions
3
Maintenance Schedule
3
Oil Recommendations
4
Fuel Recommendations
4
Storage
4
Specifications
5
Engine Dimensions
5
Engine Identification Numbers
6
Clearance Specifications
8
Clearance Specifications
9
General Torque Values
11
Tools and Aids
12
Troubleshooting Guide
15
External Engine Inspection
16
Crankcase Vacuum Test
17
Compression Test
18
Cylinder Leakdown Test
18
Air Cleaner/Intake
19
Paper Element
19
Breather Tube
20
Air Cooling
20
Air Cleaner Disassembly/Reassembly
20
Fuel Pump
21
Auto Choke
21
Fuel System Tests
21
Keihin One-Barrel Carburetor Components
22
Walbro One-Barrel Carburetor Components
22
Carburetor Troubleshooting
22
Fuel Shut-Off Solenoid
23
Carburetor Circuits
23
Float
23
Slow and MID-Range
23
Carburetor Adjustments
24
Carburetor Servicing
24
Float Setting
24
High Altitude Operation
25
Smart-Choke
26
Troubleshooting Smart-Choke Related Causes
27
Oil Pressure Switch
27
Thermostat Position Reset
28
Starting an Engine Equipped with Smart-Choke
28
Echoke Components View
29
Echoke System Standard Checks
30
Blink Codes
30
Echoke System Operational Tests
31
Failure Modes
32
Troubleshooting Echoke Related Causes
33
Starting an Engine Equipped with Echoke
34
Governor/Throttle Control Connections
35
Unitized Throttle and Choke Control
36
Throttle Cable Adjustment
36
Starting Engine Equipped with Unitized Throttle and Choke Control
36
Governor System
37
Governor Components
37
Lubrication System
38
Check Oil Level
38
Change Oil and Filter
38
Oil Sentry Description
39
Oil Sentry Installation
39
Oil Sentry Testing
39
Electrical System
40
Spark Plugs Inspection
40
Battery
41
Electronic Ignition Systems
41
Wiring Diagram - Electronic Ignition System Diagram
42
Wiring Diagram-Electronic Ignition System with Smart-Choke System
43
Electronic Ignition Systems Tests
44
Test Ignition Systems
44
Test for Spark
44
Battery Charging System
45
12/15/25 Amp Regulated Charging System
45
To Test 25 Amp Rectifier-Regulators
45
To Test 12/15 Amp Rectifier-Regulators
45
12/15/25 Amp Battery Charging Systems
46
To Test Charging System for no Charge to Battery
46
To Test Charging System for Battery Charging at High Rate
46
Starter System
47
Troubleshooting Starting Difficulties
47
Inertia Drive Electric Starter Components
48
Drive Service
48
Retaining Ring Installation
48
Solenoid Shift Starter Components
49
Starter Disassembly
49
End Cap/Brush Replacement
49
Starter Reassembly
49
Drive Pinion Check
50
Armature
50
Brush Replacement
50
Solenoid Tests
52
To Test Solenoid Pull-In Coil/Plunger
52
To Test Solenoid Hold-In Coil
52
Emission Compliant Systems
53
Carbon Canister System
53
Secondary Emission Compliant System
54
Twin Secondary Air Induction System
54
Single Secondary Air Induction System
54
Remove Inlet Screen
55
Inlet Components View
55
Disassembly/Inspection and Service
56
External Engine Components View
56
Remove Fuel Pump
57
Remove Blower Housing and Outer Baffles
57
Remove Throttle Controls
57
Control Bracket Components View
57
Remove Air Cleaner and Carburetor
58
Smart-Choke and Echoke Carburetor/Air Cleaner Components
58
Remove Electric Starter Motor
58
Remove Ignition Modules
58
Remove Intake Manifold and Rectifier-Regulator
59
Cylinder Head Components
59
Remove Valve Covers and Cylinder Heads
60
Remove Cylinder Heads
60
Disassemble Cylinder Heads
60
Valve Details Inspection and Service
61
Valve Guides Inspection and Service
61
Valve Seat Inserts
62
Lapping Valves
62
Flywheel/Ignition/Breather Components
62
Remove Debris Screen, Fan, and Flywheel
63
Remove Backing Plate and Stator
63
Remove Breather Reed Assembly
63
Crankshaft/Governor Gear/Oil Pump Components
63
Remove Oil Pan Assembly
64
Governor Assembly/Disassembly
64
Oil Pump Assembly Inspection
64
Oil Pump Assembly Reassembly
64
Remove Camshaft and Valve Tappets
65
Remove Governor Cross Shaft
65
Remove Breather Assembly
65
Remove Connecting Rods with Pistons and Rings
65
Piston and Rings Inspection
66
Remove Crankshaft
67
Crankcase Inspection and Service
67
Honing
67
Clean Cylinder Bore after Honing
68
Measuring Piston-To-Bore Clearance
68
Reassembly
69
Install Flywheel End Oil Seal
69
Install Breather Filter and Breather Cover
69
Connecting Rods/Piston/Breather Components
69
Install Governor Cross Shaft/Install Crankshaft
70
Install Connecting Rods with Pistons and Rings
70
Install Valve Tappets and Camshaft
71
Oil Pump Assembly
71
Governor Assembly
71
Install Oil Seal in Oil Pan
71
Install Oil Pan Assembly
72
Install Breather Reed and Breather Reed Cover
73
Install Flywheel and Fan
73
Install Stator and Backing Plate
73
Assemble and Install Cylinder Heads
74
Install Rocker Arms
74
Adjust Valve Clearance
75
Install Valve Covers
75
Valve Cover Torque Sequence
75
Install Spark Plugs
76
External Engine Components
76
Install Ignition Modules
77
Install Intake Manifold
77
Install Rectifier-Regulator
77
Install Inner and Outer Cylinder Baffles
77
Install Carburetor
78
Install Carburetor with Smart-Choke
78
Choke Unloader Linkage View
78
Actuator Lever Engaged with Choke Shaft Pin View
78
Install Carburetor with Echoke
79
Install External Governor Controls
79
Control Bracket Components
79
Throttle and Choke Components
79
Install Throttle and Choke Controls
80
Install Electric Starter Motor
80
Install Blower Housing
80
Install Dipstick Tube
80
Install Fuel Pump
81
Install Muffler
81
Install Oil Filter and Fill Crankcase with Oil
81
Prepare Engine for Operation/Testing Engine
81
Other manuals for Kohler KT715
Owner's Manual
8 pages
4
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Kohler KT715 Specifications
General
Fuel System
Carburetor
Cooling System
Air-cooled
Oil Capacity
1.5 quarts (1.4 liters)
Ignition System
Electronic
Starter Type
Electric
Dry Weight
31 kg (68 lbs)
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