Kohler 3.5CFZ, 4CZ, 5CFZ, 6.5CZ installation manual Engine, GX360EV

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DERATING: All units are rated 1.0 power factor. Derate approximately 3.5% per 1000 ft. (300 m) above 500 ft. (150 m) above sea level.

3.5CFZ, 50 Hz: 3.5 kW at 77°F (25°C) and 3.5 kW at 122°F (50°C).

4CFZ, 60 Hz: 4 kW at 77°F (25°C) and 3.5 kW at 122°F (50°C).

5CFZ, 50 Hz: 5 kW at 77°F (25°C) and 4.85 kW at 122°F (50°C).

6.5CZ, 60 Hz: 6.5 kW at 77°F (25°C) and 6 kW at 122°F (50°C).

Engine

Some general engine specifications are listed below. Refer to the appropriate service section and the engine service manual for specific service details.

	3.5CFZ/4CZ		5CFZ/6.5CZ
Manufacturer	Honda
Model	GX360EV
Cycle	4
Number Cylinders	2
Compression Ratio	8:5:1
Displacement--cu. in. (L)	21.9 (359)
Rated Horsepower--50 Hz	10.7 (3.5CFZ)		10.7 (5CFZ)
--60 Hz	12.8 (4CZ)		12.8 (6.5CZ)
RPM--50 Hz	3000 (3.5CFZ)		3000 (5CFZ)
--60 Hz	3600 (4CZ)		3600 (6.5CZ)
Bore x Stroke--in. (mm)	2.28 x 2.68	(58 x 68)
Valve Material	Steel Alloy (JIS SUH3)
Valve Clearance--in. (mm) (cold)	0.004--0.006 (0.10--0.14)
Cylinder Block Material	Aluminum
Cylinder Head Cover Tightening	7(10)
Torque--ft. lbs. (Nm)
Cylinder Head Material	Aluminum
Connecting Rod Material	Steel
Piston Rings	2 Compression/1 Oil Control
Crankshaft Bearings	Replaceable Inserts
Governor	Gear-Driven Centrifugal
Lubrication System	Pressure
Oil Capacity (with filter)--U.S. qts. (L)	1.48 (1.4)
Oil Type (API)	SF, SF/CC, or SF/CD
Oil Pressure--psi (kPa)	30--50 (207--345)
Fuel Type	Gasoline, 86 or Higher, Octane Unleaded
Fuel System	Single-Barrel, Horizontal Carburetor
Carburetor Choke	Automatic, Electric
Fuel Pump	Electric
Fuel Pump Lift (max.)	3 ft. (0.9 m)
Battery Voltage	12
Battery Ground	Negative
Battery Recommendation	250 Cold Cranking Amps (Min.)

TP-5695 12/93

Specifications 1-3

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Contents 5CFZ Marine Generator SetsModels 5CZCalifornia Proposition Table of Contents Safety Precautions and Instructions Carbon monoxide Can cause severe nausea, fainting, or death Carbon monoxide can cause severe nauseaSulfuric acid in batteries Can cause severe injury or death Sulfuric acid in batteries can cause severe injury orExplosive fuel vapors Can cause severe injury or death Explosive fuel vapors can cause severe injury orRotating parts Can cause severe injury or death Accidental starting Can cause severe injury or deathAccidental starting can cause severe injury or Flying projectiles can cause severe injury or deathSudden flash fire can cause severe injury or death Fire Can cause severe injury or deathSudden backfire can cause severe injury or death Hazardous noise Can cause loss of hearing246242 Reference Material Pleasure CraftCommercial Vessels Additional ReferencesRoutine Service Parts Part Description Kohler Part NoGlossary of Abbreviations Abbreviation DescriptionNEC General Specifications SpecificationsSpecifications IntroductionGenerator 5CFZ/4CZ 5CFZ/6.5CZEngine GX360EVBPR4HS NGK Accessories Service Views Service Views typicalOperation Prestart ChecksController ControllerStarting StoppingEngine Safety Shutdown Switches Circuit ProtectionHigh Water Temperature Shutdown Switch Remote Panel Features Remote Panels OptionalRemote Start and Four-Meter Features Remote Start and Four-Meter Panel KitScheduled Maintenance Service Schedule Or 2 YearsGenerator Specifications Lubrication SystemAdding Oil Oil Change/Oil Filter ChangeFuel System Removing Oil FilterFuel Pump Screen Fuel Pump ScreenCarburetor Adjustments Carburetor/Choke LubricationIgnition System Service Ignition SystemSpark Plugs Oil fouled Problem Means of Identification Possible Cause NormalGap bridged Carbon fouled12. Checking Spark Plug Gap Cooling Systems- Closed/Heat Exchanger Filling and CheckingHot coolant and steam Can cause severe injury or death 14. Air-Bleed Screw Flushing and Cleaning TP-5695 12/93 Scheduled Maintenance Anticorrosion Zinc 17. Removing Anticorrosion ZincPressure Cap Air Cleaner Mixing ElbowServicing Air Cleaner Servicing Mixing ElbowChecking Electrolyte Level BatteryCleaning Checking Specific Gravity21. Specific Gravity Temperature Correction ChargingValve Adjustment 22. Determining Top Dead Center Governor Adjustment GovernorLubrication Generator Service Wattage RequirementsGeneral Storage Procedure Unit cranks but will TroubleshootingEngine Not startProblem Possible Cause Corrective Action Stops suddenly Lacks powerOperates erratically Electrical System Generator Wiring Diagrams Schematic Wiring Diagram--3.5CFZ, 4CZ, 5CFZ, and 6.5CZDiagrams 4CZWire Generator Sets To Generator To Shore Set PowerTo Load Line Side LO Neutral GroundLoad Side 60 HzL1--L3 Without Jumper LeadPage Installation Generator Selection and Wattage RequirementsMotor Loads Appliance Loads Kilowatt DeratingTypical Location and Mounting Mounting LocationVentilationSpace Air Requirements CFM L/min Model Combustion CoolingFuel Systems Fuel SupplyFuel Pump Lift Capabilities Fuel Consumption Anti-Siphon ProvisionsFuel Lines Max. Lift ft. m In. mmCooling Systems 11. Intake StrainerClosed/Heat Exchanger 13. Seawater StrainerExhaust Systems 15. Closed/Heat Exchanger Cooling System17. Typical Above Waterline Installation Carbon monoxideAbove Waterline Mid/Below WaterlineInstallation in Steel or Aluminum Vessels Electrical SystemsAC Voltage Connections Battery WiringRemote Start Switch Connection Lead Designations Pin FunctionDimension Drawing--3.5CFZ, 4CZ, 5CFZ, and 6.5CZ SectionSound Shield--Optional on 3.5CFZ and 4CZ Standard on 5CFZ and 6.5CZFor Sales & Service in U.S.A. & Canada Phone Parts Ordering InstructionsOperating Hour Service Log Kohler CO. KOHLER, Wisconsin 53044 Phone