Engine, GX360EV | Kohler 3.5CFZ, 4CZ, 5CFZ, 6.5CZ specs

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

Image 18

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

Contents

5CFZ Marine Generator SetsModels 5CZ California Proposition Table of Contents Safety Precautions and Instructions Carbon monoxide Can cause severe nausea, fainting, or death Carbon monoxide can cause severe nausea Sulfuric acid in batteries Can cause severe injury or death Sulfuric acid in batteries can cause severe injury or Explosive fuel vapors Can cause severe injury or death Explosive fuel vapors can cause severe injury or Rotating 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 death Sudden 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 hearing 246242 Reference Material Pleasure Craft Commercial Vessels Additional References Routine Service Parts Part Description Kohler Part No Glossary of Abbreviations Abbreviation Description NEC General Specifications SpecificationsSpecifications Introduction Generator 5CFZ/4CZ 5CFZ/6.5CZ Engine GX360EV BPR4HS NGK Accessories Service Views Service Views typical Operation Prestart Checks Controller Controller Starting Stopping Engine Safety Shutdown Switches Circuit Protection High Water Temperature Shutdown Switch Remote Panel Features Remote Panels Optional Remote Start and Four-Meter Features Remote Start and Four-Meter Panel Kit Scheduled Maintenance Service Schedule Or 2 Years Generator Specifications Lubrication System Adding Oil Oil Change/Oil Filter Change Fuel System Removing Oil Filter Fuel Pump Screen Fuel Pump Screen Carburetor Adjustments Carburetor/Choke Lubrication Ignition System Service Ignition SystemSpark Plugs Oil fouled Problem Means of Identification Possible Cause NormalGap bridged Carbon fouled 12. 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 Zinc Pressure Cap Air Cleaner Mixing ElbowServicing Air Cleaner Servicing Mixing Elbow Checking Electrolyte Level BatteryCleaning Checking Specific Gravity 21. Specific Gravity Temperature Correction Charging Valve Adjustment 22. Determining Top Dead Center Governor Adjustment GovernorLubrication Generator Service Wattage RequirementsGeneral Storage Procedure Unit cranks but will TroubleshootingEngine Not start Problem Possible Cause Corrective Action Stops suddenly Lacks powerOperates erratically Electrical System Generator Wiring Diagrams Schematic Wiring Diagram--3.5CFZ, 4CZ, 5CFZ, and 6.5CZ Diagrams 4CZ Wire Generator Sets To Generator To Shore Set PowerTo Load Line Side LO Neutral GroundLoad Side 60 Hz L1--L3 Without Jumper LeadPage Installation Generator Selection and Wattage RequirementsMotor Loads Appliance Loads Kilowatt Derating Typical Location and Mounting Mounting LocationVentilationSpace Air Requirements CFM L/min Model Combustion Cooling Fuel Systems Fuel Supply Fuel Pump Lift Capabilities Fuel Consumption Anti-Siphon ProvisionsFuel Lines Max. Lift ft. m In. mm Cooling Systems 11. Intake Strainer Closed/Heat Exchanger 13. Seawater Strainer Exhaust Systems 15. Closed/Heat Exchanger Cooling System 17. Typical Above Waterline Installation Carbon monoxide Above Waterline Mid/Below Waterline Installation in Steel or Aluminum Vessels Electrical SystemsAC Voltage Connections Battery Wiring Remote Start Switch Connection Lead Designations Pin Function Dimension Drawing--3.5CFZ, 4CZ, 5CFZ, and 6.5CZ Section Sound Shield--Optional on 3.5CFZ and 4CZ Standard on 5CFZ and 6.5CZ For Sales & Service in U.S.A. & Canada Phone Parts Ordering Instructions Operating Hour Service Log Kohler CO. KOHLER, Wisconsin 53044 Phone