KT715-KT745 Owner`s Manual
Contents
1. PTO driven attachments 2 Position throttle control between half and full throttle stop engine Angle of Operation Refer to operating instructions of equipment this engine powers Do not operate this engine exceeding maximum angle of operation see specification table Engine damage could result from insufficient lubrication Engine Speed NOTE Do not tamper with governor setting to increase maximum engine speed Overspeed is hazardous and will void warranty High Altitude Operation This engine may require a high altitude carburetor kit to ensure correct engine operation at altitudes above 4000 ft 1219 meters To obtain high altitude kit information or to find a Kohler authorized dealer visit KohlerEngines com or call 1 800 544 2444 U S and Canada This engine should be operated in its original configuration below 4000 ft 1219 meters as damage may occur if high altitude carburetor kit is installed and operated below 4000 ft 1219 meters 32 590 11 Rev B Maintenance Instructions a AN WARNING Before working on engine or equipment disable Accidental Starts can cause engine as follows 1 Disconnect spark plug severe injury or death lead s 2 Disconnect negative battery cable Disconnect and ground spark from battery plug lead s before servicing Normal maintenance replacement or repair of emission control devices and systems may be performed by any repair establishment or individual2. ATA Electrical Shock can cause injury Do not touch wires while engine is running l burns 1 Check gap using wire feeler gauge Adjust gap see specification table for adjustment Do not touch engine while operating or just after stopping 2 Install plug into cylinder head z A a 3 Torque plug to 20 ft Ib 27 N m oe Air Cleaner Proper cooling is essential To prevent over heating clean screens cooling fins and other NOTE Operating engine with loose or external surfaces of engine Avoid spraying damaged air cleaner components water at wiring harness or any electrical could cause premature wear and components See Maintenance Schedule failure Replace all bent or damaged components Repairs Service Parts NOTE Paper element cannot be blown out We recommend that you use a Kohler with compressed air authorized dealer for all maintenance service Rotate air cleaner cover levers outward to and engine parts To find a Kohler authorized unlock cover remove air cleaner cover dealer visit KohlerEngines com or call 1 800 544 2444 U S and Canada Precleaner if equipped 2 Replace or wash precleaner in warm water If engine will be out of service for 2 months or with detergent Rinse and allow to air dry more follow procedure below 3 Lightly oil precleaner with new engine oil 1 Add Kohler PRO Series fuel treatment or squeeze out excess oil equivalent to fuel tank Run engine 2 3 minutes to get sta
3. however warranty repairs must be performed by a Kohler authorized dealer found at KohlerEngines com or 1 800 544 2444 U S and Canada Maintenance Schedule Every 25 Hours e Service replace precleaner e Replace air cleaner element if not equipped with precleaner Every 100 Hours e Replace air cleaner element if equipped with precleaner e Change oil and filter e Remove cooling shrouds and clean cooling areas Every 100 Hours e Check that all fasteners are in place and components are properly secured e Replace fuel filter Every 500 Hours e Have valve lash checked adjusted Every 500 Hours e Replace spark plugs and set gap 1 Perform these procedures more frequently under severe dusty dirty conditions Have a Kohler authorized dealer perform this service Oil Recommendations Check Oil Level We recommend use of Kohler oils for best NOTE To prevent extensive engine wear or performance Other high quality detergent damage never run engine with oil level oils including synthetic of API American below or above operating range Petroleum Institute service class SJ or higher indicator on dipstick are acceptable Select viscosity based on air temperature at time of operation as shown in table below Ensure engine is cool Clean oil fill dipstick areas of any debris 1 Remove dipstick wipe oil off 2 Reinsert dipstick into tube press completely down 3 Remove dipstick check oil level L
4. in oe KT735 83 mm 1 9 L 0 76 mm 2 7 in 45 6 cu in rA 69 mm 747 cc Exceeding maximum angle of operation may cause engine damage from insufficient lubrication Additional specification information can be found in service manual at KohlerEngines com Exhaust Emission Control System for models KT715 KT745 is EM for U S EPA California and Europe Any and all horsepower hp references by Kohler are Certified Power Ratings and per SAE J1940 amp J1995 hp standards Details on Certified Power Ratings can be found at KohlerEngines com 00 KohlerEngines com 32 590 11 Rev B
5. vapors can explode if ignited Store gasoline only in approved containers in well ventilated unoccupied buildings away from sparks or flames Spilled fuel could ignite if it comes in contact with hot parts or sparks from ignition Never use gasoline as a cleaning agent NOTE E15 E20 and E85 are NOT approved and should NOT be used effects of old stale or contaminated fuel are not warrantable Fuel must meet these requirements e Clean fresh unleaded gasoline e Octane rating of 87 R M 2 or higher e Research Octane Number RON 90 octane minimum e Gasoline up to 10 ethyl alcohol 90 unleaded is acceptable e Methyl Tertiary Butyl Ether MTBE and from starting in a low oil or no oil condition Oil Sentry may not shut down a running engine before damage occurs In some applications this switch may activate a warning signal Read your equipment manuals for more information 6 KohlerEngines com unleaded gasoline blend max 15 MTBE by volume are approved e Do not add oil to gasoline Do not overfill fuel tank Do not use gasoline older than 30 days Low permeation fuel line must be installed on carbureted Kohler Co engines to maintain EPA and CARB regulatory compliance 32 590 11 Rev B Spark Plugs Breather Tube a Ensure both ends of breather tube are properly A connected CAUTION Air Cooling Clean out spark plug recess Remove plug and j oe pug Hot Parts can cause severe replace
6. KOHLER 000 Series i KT715 KT745 ae 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 specific 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 Read More then select Specs tab Record engine information to reference when ordering parts or obtaining warranty coverage Engine Model o Specification o o SSS Serial Number S Purchase Date gt 32 590 11 Rev B KohlerEngines com Safety Precautions amp WARNING Ahazard that could result in death serious injury or substantial property damage amp 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 Explosive Fuel Accidental can cause fires Starts can cause and severe ere severe injury or burns nausea fainting death Do not fill fuel or death tank while engine is hot or running Disconnect and ground spark plug lead s before s
7. bilized fuel into fuel system failure due to untreated fuel are not Paper Element warrantable 4 Reinstall precleaner over paper element N 1 Remove element from base service Change oil while engine is still warm from precleaner Discard element operation Remove spark plug s and pour about 1 oz of engine oil into cylinder s Replace spark plug s and crank engine slowly to distribute oil 2 Install precleaner over new paper element and install on base Position air cleaner cover with levers outward over air cleaner turn levers inward to lock oO Disconnect negative battery cable D Store engine in a clean dry place N 32 590 11 Rev B KohlerEngines com 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 Possible Cause Dirt In Dirty Faulty Problem No Improper Fuel Debris Incorrect Engine Dirty Air Spark Fuel Fuel Line Screen Oil Level Overloaded Cleaner Plug Will Not Start Hard Starting Stops Suddenly Lacks Power Operates Erratically Knocks or Pings Skips or Misfires Backfires Overheats High Fuel Consumption Engine Specifications Maximum Angle of Operation Plug Gap full oil level Model Stroke Displacement 0 Reniy 2 6 in 44 2 cu in KT730_ 3 27 in 87mm 725 cc 2 0 U S at 0 03
8. ck ig Oil Drain Plug G Spark Plug H bene 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 Check fuel level Add fuel if low Check fuel system components and lines for leaks 3 Check and clean cooling areas air intake areas and external surfaces of engine particularly after storage 4 Check that air cleaner components and all shrouds equipment covers and guards are in place and securely fastened 5 Check spark arrestor if equipped 32 590 11 Rev B KohlerEngines com 3 Starting Stopping 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 Rotating Parts can cause severe Stay away while engine is in operation Keep hands feet hair and clothing away from all moving parts to prevent injury Never Operate engine with covers shrouds or guards removed Refer to operating instructions of equipment this engine powers for specific starting instructions Cold Weather Starting Hints 1 Use proper oil for temperature expected 2 Disengage all possible external loads 3 Use fresh winter grade fuel Winter grade fuel has higher volatility to improve starting 4 KohlerEngines com 1 If possible remove load by disengaging all
9. ervicing Avoid inhaling exhaust fumes Engine exhaust gases contain poisonous carbon monoxide Carbon monoxide is odorless colorless and can cause death if inhaled Gasoline is extremely flammable and its vapors can explode if ignited Store gasoline only in approved containers in well ventilated unoccupied buildings away from sparks or flames Spilled fuel could ignite if it comes in contact with hot parts or sparks from ignition Never use gasoline as a cleaning Before working on engine or equipment disable engine as follows 1 Disconnect spark plug lead s 2 Disconnect negative battery cable from battery agent A WARNING Rotating Parts can cause severe injury Stay away while engine is in operation Electrical Shock can Cause injury Do not touch wires while engine is running ARA Zaa Hot Parts can cause severe burns Do not touch engine while operating or just after stopping Keep hands feet hair and clothing away from all moving parts to prevent injury Never operate engine with covers shrouds or guards removed Never operate engine with heat shields or guards removed California Proposition 65 Warning Engine exhaust from this product contains chemicals known to State of California to cause cancer birth defects or other reproductive harm 2 KohlerEngines com 32 590 11 Rev B Air Cleaner peer A B C Fuel Filter D Oil Filter m Oil Fill Dipsti
10. evel should be at top of indicator on dipstick 4 If oil is low on indicator add oil up to top of indicator mark 5 Reinstall and secure dipstick 32 590 11 Rev B KohlerEngines com 5 Change Oil and Filter 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 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 Ib 13 6 N m Place new filter in shallow pan with open end up Fill with new oil until oil reaches bottom of threads Allow 2 minutes for oil to be absorbed by filter material Apply a thin film of clean oil to rubber gasket on new filter Refer to instructions on oil filter for proper installation Fill crankcase with new oil Level should be at top of indicator on dipstick Reinstall oil fill cap dipstick and tighten securely Start engine check for oil leaks Stop engine correct leaks Recheck oil level Dispose of used oil and filter in accordance with local ordinances Oil Sentry if equipped This switch is designed to prevent engine Fuel Recommendations 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
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