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16 590 01 Rev. B

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ZT710-ZT740

Owner's Manual

IMPORTANT: Read all safety precautions and instructions carefully before

operating equipment. Refer to operating instruction of

equipment that this engine powers.

Ensure engine is stopped and level before performing any

maintenance or service.

Warranty coverage as outlined in the warranty card and on

KohlerEngines.com. Please review carefully as it provides you

speciﬁ c rights and obligations.

To maintain compliance with applicable emission regulations,

exhaust system backpressure may not exceed limits which can

be found on KohlerEngines.com. Search by Model No., select

Summary of content (8 pages)

PAGE 1
EN ESS ZT710-ZT740 Owner's Manual IMPORTANT: FRC Read all safety precautions and instructions carefully before operating equipment. Refer to operating instruction of equipment that this engine powers. Ensure engine is stopped and level before performing any maintenance or service. Warranty coverage as outlined in the warranty card and on KohlerEngines.com. Please review carefully as it provides you specific rights and obligations.
PAGE 2
Safety Precautions WARNING: A hazard that could result in death, serious injury, or substantial property damage. CAUTION: A hazard that could result in minor personal injury or property damage. NOTE: is used to notify people of important installation, operation, or maintenance information. WARNING Explosive Fuel can cause fires and severe burns. Do not fill fuel tank while engine is hot or running. Gasoline is extremely flammable and its vapors can explode if ignited.
PAGE 3
M EN O N A E J L H I C K G D E M B L A K I J F G A Air Cleaner Cover B Debris Screen C Fuel Filter D Oil Filter E Oil Fill/Dipstick F Oil Drain Plug G Spark Plug H Bail I Paper Element J Precleaner K Air Cleaner Base L Low-Profile Air Cleaner M Heavy-Duty Air Cleaner N Starter Handle O Retractable Starter Visit KohlerEngines.com for service parts information and purchasing options. Pre-Start Checklist 1. Check oil level. Add oil if low. Do not overfill. 2.
PAGE 4
Starting Stopping 1. If possible, remove load by disengaging all PTO driven attachments. WARNING Carbon Monoxide can cause severe nausea, fainting or death. Avoid inhaling exhaust fumes. Engine exhaust gases contain poisonous carbon monoxide. Carbon monoxide is odorless, colorless, and can cause death if inhaled. 2. Position throttle control between half and full throttle; stop engine. Angle of Operation Refer to operating instructions of equipment this engine powers.
PAGE 5
EN Maintenance Instructions WARNING Accidental Starts can cause severe injury or death. Disconnect and ground spark plug lead(s) before servicing. Before working on engine or equipment, disable engine as follows: 1) Disconnect spark plug lead(s). 2) Disconnect negative (–) battery cable from battery.
PAGE 6
Change Oil and Filter Fuel Recommendations Change oil while engine is warm. 1. Clean area around oil fill cap/dipstick. Remove drain plug and oil fill cap/dipstick. Allow oil to drain completely. 2. Clean area around oil filter. Place a container under filter to catch any oil and remove filter. Wipe off mounting surface. Reinstall drain plug. Torque to 10 ft. lb. (13.6 N·m). 3. Place new filter in shallow pan with open end up. Fill with new oil until oil reaches bottom of threads.
PAGE 7
Spark Plugs EN Breather Tube Ensure both ends of breather tube are properly connected. CAUTION Electrical Shock can cause injury. Air Cooling Do not touch wires while engine is running. WARNING Clean out spark plug recess. Remove plug and replace. Hot Parts can cause severe burns. 1. Check gap using wire feeler gauge. Adjust gap, see specification table for adjustment. 2. Install plug into cylinder head. Do not touch engine while operating or just after stopping.
PAGE 8
Troubleshooting Do not attempt to service or replace major engine components, or any items that require special timing or adjustment procedures. This work should be performed by a Kohler authorized dealer.