Kohler Courage SV540 Service Manual

54
Disassembly/Inspection and Service
KohlerEngines.com 20 690 01 Rev. F
Model SV470/480/530/540/590/600/610 Valve Details
A
A
E
D
F
G
G
E
D
F
B
B
C C
Dimension Intake Exhaust
A Seat Angle 89° 89°
B Guide Depth 10.20 mm 6.2 mm
C Guide I.D. 6.038/6.058 mm 6.038/6.058 mm
D Valve Head Diameter 37.625/37.375 mm 32.125/32.375 mm
E Valve Face Angle 45° 45°
F Valve Margin (Min.) 1.5 mm 1.5 mm
G Valve Stem Diameter 5.982/6.00 mm 5.90/5.988 mm
Model SV620 Valve Details
EXHAUST VALVE
INTAKE VALVE
A A
C
J
F
H
I
K
D
E
E
D
K
I
G
H
F
J
G
C
B B
Dimension Intake Exhaust
A Seat Angle 89° 89°
B Seat Angle 111/109° 131/129°
C Seat Angle 61/59° 51/49°
D Guide Depth 10.20 mm 6.2 mm
E Guide I.D. 6.038/6.058 mm 6.038/6.058 mm
F Valve Head Diameter 37.625/37.375 mm 32.125/32.375 mm
G Valve Face Angle 45° 45°
H Valve Face Angle 39.275/39.525° 33.675/33.925°
I Valve Face Angle 60° 60°
J Valve Margin (Min.) 1.7 mm 1.7 mm
K Valve Stem Diameter 5.982/6.000 mm 5.90/5.988 mm
INTAKE VALVE
EXHAUST VALVE

Kohler Courage SV540 Specifications

General

Power	18 hp
Compression Ratio	8.5:1
Fuel Type	Gasoline
Ignition System	Electronic
Starter Type	Electric
Engine Type	4-cycle, single cylinder, overhead valve (OHV)