Kohler KT715

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Specications

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]

Main Page

Table of Contents1
Safety Precautions2
Maintenance Instructions3
Maintenance Schedule3
Oil Recommendations4
Fuel Recommendations4
Storage4
Specifications5
Engine Dimensions5
Engine Identification Numbers6
Clearance Specifications8
Clearance Specifications9
General Torque Values11
Tools and Aids12
Troubleshooting Guide15
External Engine Inspection16
Crankcase Vacuum Test17
Compression Test18
Cylinder Leakdown Test18
Air Cleaner/Intake19
Paper Element19
Breather Tube20
Air Cooling20
Air Cleaner Disassembly/Reassembly20
Fuel Pump21
Auto Choke21
Fuel System Tests21
Keihin One-Barrel Carburetor Components22
Walbro One-Barrel Carburetor Components22
Carburetor Troubleshooting22
Fuel Shut-Off Solenoid23
Carburetor Circuits23
Float23
Slow and MID-Range23
Carburetor Adjustments24
Carburetor Servicing24
Float Setting24
High Altitude Operation25
Smart-Choke26
Troubleshooting Smart-Choke Related Causes27
Oil Pressure Switch27
Thermostat Position Reset28
Starting an Engine Equipped with Smart-Choke28
Echoke Components View29
Echoke System Standard Checks30
Blink Codes30
Echoke System Operational Tests31
Failure Modes32
Troubleshooting Echoke Related Causes33
Starting an Engine Equipped with Echoke34
Governor/Throttle Control Connections35
Unitized Throttle and Choke Control36
Throttle Cable Adjustment36
Starting Engine Equipped with Unitized Throttle and Choke Control36
Governor System37
Governor Components37
Lubrication System38
Check Oil Level38
Change Oil and Filter38
Oil Sentry Description39
Oil Sentry Installation39
Oil Sentry Testing39
Electrical System40
Spark Plugs Inspection40
Battery41
Electronic Ignition Systems41
Wiring Diagram - Electronic Ignition System Diagram42
Wiring Diagram-Electronic Ignition System with Smart-Choke System43
Electronic Ignition Systems Tests44
Test Ignition Systems44
Test for Spark44
Battery Charging System45
12/15/25 Amp Regulated Charging System45
To Test 25 Amp Rectifier-Regulators45
To Test 12/15 Amp Rectifier-Regulators45
12/15/25 Amp Battery Charging Systems46
To Test Charging System for no Charge to Battery46
To Test Charging System for Battery Charging at High Rate46
Starter System47
Troubleshooting Starting Difficulties47
Inertia Drive Electric Starter Components48
Drive Service48
Retaining Ring Installation48
Solenoid Shift Starter Components49
Starter Disassembly49
End Cap/Brush Replacement49
Starter Reassembly49
Drive Pinion Check50
Armature50
Brush Replacement50
Solenoid Tests52
To Test Solenoid Pull-In Coil/Plunger52
To Test Solenoid Hold-In Coil52
Emission Compliant Systems53
Carbon Canister System53
Secondary Emission Compliant System54
Twin Secondary Air Induction System54
Single Secondary Air Induction System54
Remove Inlet Screen55
Inlet Components View55
Disassembly/Inspection and Service56
External Engine Components View56
Remove Fuel Pump57
Remove Blower Housing and Outer Baffles57
Remove Throttle Controls57
Control Bracket Components View57
Remove Air Cleaner and Carburetor58
Smart-Choke and Echoke Carburetor/Air Cleaner Components58
Remove Electric Starter Motor58
Remove Ignition Modules58
Remove Intake Manifold and Rectifier-Regulator59
Cylinder Head Components59
Remove Valve Covers and Cylinder Heads60
Remove Cylinder Heads60
Disassemble Cylinder Heads60
Valve Details Inspection and Service61
Valve Guides Inspection and Service61
Valve Seat Inserts62
Lapping Valves62
Flywheel/Ignition/Breather Components62
Remove Debris Screen, Fan, and Flywheel63
Remove Backing Plate and Stator63
Remove Breather Reed Assembly63
Crankshaft/Governor Gear/Oil Pump Components63
Remove Oil Pan Assembly64
Governor Assembly/Disassembly64
Oil Pump Assembly Inspection64
Oil Pump Assembly Reassembly64
Remove Camshaft and Valve Tappets65
Remove Governor Cross Shaft65
Remove Breather Assembly65
Remove Connecting Rods with Pistons and Rings65
Piston and Rings Inspection66
Remove Crankshaft67
Crankcase Inspection and Service67
Honing67
Clean Cylinder Bore after Honing68
Measuring Piston-To-Bore Clearance68
Reassembly69
Install Flywheel End Oil Seal69
Install Breather Filter and Breather Cover69
Connecting Rods/Piston/Breather Components69
Install Governor Cross Shaft/Install Crankshaft70
Install Connecting Rods with Pistons and Rings70
Install Valve Tappets and Camshaft71
Oil Pump Assembly71
Governor Assembly71
Install Oil Seal in Oil Pan71
Install Oil Pan Assembly72
Install Breather Reed and Breather Reed Cover73
Install Flywheel and Fan73
Install Stator and Backing Plate73
Assemble and Install Cylinder Heads74
Install Rocker Arms74
Adjust Valve Clearance75
Install Valve Covers75
Valve Cover Torque Sequence75
Install Spark Plugs76
External Engine Components76
Install Ignition Modules77
Install Intake Manifold77
Install Rectifier-Regulator77
Install Inner and Outer Cylinder Baffles77
Install Carburetor78
Install Carburetor with Smart-Choke78
Choke Unloader Linkage View78
Actuator Lever Engaged with Choke Shaft Pin View78
Install Carburetor with Echoke79
Install External Governor Controls79
Control Bracket Components79
Throttle and Choke Components79
Install Throttle and Choke Controls80
Install Electric Starter Motor80
Install Blower Housing80
Install Dipstick Tube80
Install Fuel Pump81
Install Muffler81
Install Oil Filter and Fill Crankcase with Oil81
Prepare Engine for Operation/Testing Engine81

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