Kohler Command PRO CH440 Service Manual

10.6
Section 10
Inspection and Reconditioning
Cylinder Head and Valves
Figure 10-9. Valve and Seat Measuring Locations.
CH270 Valve Specifi cations
Item Dimension Intake Exhaust
A Head Diameter 26.875-27.125 mm
(1.0581-1.0679 in.)
24.875-25.125 mm
(0.9793-0.9892 in.)
B Valve Length 63.3-63.9 mm (2.4921-2.5157) 63.3-63.9 mm (2.4921-2.5157)
C Stem Diameter 5.5 mm (0.217 in.) 5.438 mm (0.214 in.)
D Face/Seat Width - Maximum 2.0 mm (0.079 in.) 2.0 mm (0.079 in.)
E Face/Seat Angle 89.5°-90.5° 89.5°-90.5°
CH395 Valve Specifi cations
Item Dimension Intake Exhaust
A Head Diameter 30.875-31.125 mm
(1.2156-1.2254 in.)
26.875-27.125 mm
(1.0581-1.0679 in.)
B Valve Length 85.34-85.54 mm (3.3598-3.3677 in.) 85.19-84.99 mm (3.3461-3.3539 in.)
C Stem Diameter 6.560-6.575 mm (0.2583-0.2589 in.) 6.560-6.575 mm (0.2583-0.2589 in.)
D Face/Seat Width - Maximum 1.5 mm (0.059 in.) 1.5 mm (0.059 in.)
E Face/Seat Angle 89.5°-90.5° 89.5°-90.5°
CH440 Valve Specifi cations
Item Dimension Intake Exhaust
A Head Diameter 35.875-36.125 mm
(1.4124-1.4222 in.)
32.875-33.125 mm
(1.2943-1.3041 in.)
B Valve Length 86.175-86.375 mm
(3.3927-3.4006 in.)
86.341-86.541 mm
(3.3993-3.4071 in.)
C Stem Diameter 6.560-6.575 mm (0.2583-0.2589 in.) 6.545-6.560 mm (0.2577-0.2583 in.)
D Face/Seat Width - Maximum 1.5 mm (0.059 in.) 1.5 mm (0.059 in.)
E Face/Seat Angle 89.5°-90.5° 89.5°-90.5°
D
A
C
B
E
D
D

Kohler Command PRO CH440 Specifications

General

Compression Ratio	8.0:1
Fuel System	Carburetor
Cooling System	Air-cooled
Ignition System	Electronic
Governor Type	Mechanical
Engine Type	4-cycle, OHV
Displacement	429 cc
Power	14 HP
Oil Capacity	1.4 L
Starter Type	Electric
Weight	32 kg