Kohler Command PRO CH440 Service Manual

1.19
Section 1
Safety and General Information
1
Intake Valve Stem O.D.
New
CH270 ................................................................................................. 5.50 mm (0.217 in.)
CH395,CH440 .................................................................................... 6.57 mm (0.259 in.)
Max. Wear Limit
CH270 ................................................................................................. 5.34 mm (0.210 in.)
CH395,CH440 .................................................................................... 6.40 mm (0.252 in.)
Exhaust Valve Stem O.D.
New
CH270 ................................................................................................. 5.438 mm (0.214 in.)
CH395,CH440 .................................................................................... 6.55 mm (0.258 in.)
Max. Wear Limit
CH270 ................................................................................................. 5.28 mm (0.208 in.)
CH395,CH440 .................................................................................... 6.41 mm (0.252 in.)
Intake Valve Stem to Guide
New
CH270 ................................................................................................. 0.024/0.039 mm (0.0009/0.0015 in.)
CH395,CH440 .................................................................................... 0.025/0.055 mm (0.0010/0.0022 in.)
Max. Wear Limit
CH270 ................................................................................................. 0.10 mm (0.0039 in.)
CH395 ................................................................................................. 0.13 mm (0.0051 in.)
CH440 ................................................................................................. 0.14 mm (0.0055 in.)
Exhaust Valve Stem to Guide
New
CH270 ................................................................................................. 0.098/0.112 mm (0.0038/0.0044 in.)
CH395,CH440 .................................................................................... 0.040/0.070 mm (0.0016/0.0028 in.)
Max. Wear Limit
CH270 ................................................................................................. 0.12 mm (0.0047 in.)
CH395 ................................................................................................. 0.10 mm (0.0039 in.)
CH440 ................................................................................................. 0.11 mm (0.0043 in.)
Valve Guide Reamer Size
Standard Intake
CH270 ................................................................................................. 5.524 mm (0.2175 in.)
CH395,CH440 .................................................................................... 6.608 mm (0.2602 in.)
Standard Exhaust
CH270 ................................................................................................. 5.536 mm (0.2179 in.)
CH395,CH440 .................................................................................... 6.608 mm (0.2602 in.)
Valve Seat Width
CH270 ........................................................................................................ 0.80 mm (0.0315 in.)
CH395 ........................................................................................................ 1.10 mm (0.0433 in.)
CH440 ........................................................................................................ 1.20 mm (0.0472 in.)
Nominal Valve Face Angle ............................................................................ 45°

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