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Engine
Owner's Manual
Models
SX800
OHV700
OHV710
OHV800
OHV880
OHV910
Operating & Maintenance Instructions

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Table of Contents
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Summary of Contents for MTD SX800

  • Page 1 Engine Owner’s Manual Models SX800 OHV700 OHV710 OHV800 OHV880 OHV910 Operating & Maintenance Instructions...
  • Page 2 BEFORE OPERATING ENGINE Read entire Operating & Maintenance Instructions AND  the instructions for the equipment this engine powers. Failure to follow instructions could result in serious injury  or death. THE OPERATING & MAINTENANCE INSTRUCTIONS CONTAIN SAFETY INFORMATION TO Make you aware of hazards associated with engines ...
  • Page 3 HAZARD SYMBOLS AND MEANINGS...
  • Page 4: Table Of Contents

    CONTENTS CONTENTS 1. ENGINE SAFETY ………………………………………………..…………………………2,3 & 4 2. COMPONENTS & CONTROL LOCATIONS …………...…….…………………………………5 3. ENGINE OIL ………………………………………………..…..………………………………6 & 7 4. FUEL …………………………………………………………….…………………………………… 7 5. STARTING ENGINE …………………………………………...………………………………7 & 8 6. MAINTENANCE …………………………………………….…..…………… 8, 9, 10, 11, 12 & 13 7.
  • Page 5: Engine Safety

    ENGINE SAFETY 1. ENGINE SAFETY IMPORTANT SAFETY INFORMATION Most accidents with engines can be prevented if you follow all instructions in this manual and on the engine. Some of the most common hazards are discussed below, along with the best way to protect yourself and others.
  • Page 6 ENGINE SAFETY WARNING Starting engine creates sparking. Sparking can ignite nearby flammable gases. Explosion and fire could result.  If there is natural or LP gas leakage in area, do not start engine.  Do not use pressurized starting fluids because vapours are flammable. WARNING Rapid retraction of starter cord (kickback) will pull hand and arm toward engine faster than you can let go.
  • Page 7 ENGINE SAFETY WARNING Running engines produce heat. Engine parts, especially muffler, become extremely hot. Severe thermal burns can occur on contact. Combustible debris, such as leaves, grass, brush, etc. can catch fire.  Allow muffler, engine cylinder and fins to cool before touching. ...
  • Page 8: Components & Control Locations

    COMPONENTS & CONTROL LOCATIONS 2. COMPONENTS & CONTROL LOCATIONS FUEL CAP STARTER GRIP MUFFLER FUEL TANK AIR CLEANER SPARK PLUG PRIMER BULB CARBURETTOR...
  • Page 9: Engine Oil

    ENGINE OIL 3. ENGINE OIL ENGINE OIL RECOMMENDATIONS (WE RECOMMEND THE USE OF GENUINE ROVER OIL Oil is a major factor affecting performance and service life. Use 4-stroke automotive detergent oil. SAE 10W-30 is recommended for general use. Other viscosities shown in the chart may be used when the average temperature in your area is within the recommended range.
  • Page 10: Fuel

    If spark knock or pinging persists, see an authorized servicing dealer. Fuel tank capacities: WARNING OHV700, OHV710 1.0L  Do not use pressurized starting fluids. SX800, OHV800, OHV880 & OHV910: 1.2L  Vapours are flammable. DANGER : Fuel and its vapours are extremely flammable and explosive. 5. STARTING ENGINE 5.1 Primer Equipped Engine (see location of Primer Bulb on page 5)
  • Page 11 STARTING ENGINE/MAINTENANCE CAUTION : Carefully check if there is enough oil before starting. DANGER Rapid retraction of starter cord (kickback) will pull hand and arm toward engine faster than you can let go. Rotating parts can contact or entangle hands, feet, hair, clothing, or accessories. Running engines produce heat.
  • Page 12: Maintenance

    MAINTENANCE Safety Precautions  Make sure the engine is off before you begin any maintenance or repairs. This will eliminate several potential hazards:  Carbon monoxide poisoning from engine exhaust. Be sure there is adequate ventilation whenever you operate the engine. ...
  • Page 13 MAINTENANCE 6.1 MAINTENANCE SCHEDULE REGULAR SERVICE PERIOD Performed at every indicated First Every 3 Every 6 Every Before monthly or operating hour interval, month or months months year or Each use whichever comes first. 5 Hrs. or 25 Hrs. or 50 Hrs. 100 Hrs.
  • Page 14 MAINTENANCE 6.3 REFUELLING With the engine stopped, remove the fuel tank cap and check the fuel level. Refill the tank if the fuel level is low. Refuel in a well-ventilated area before starting the engine. If the engine has been running, allow it to cool.
  • Page 15 MAINTENANCE AIR CLEANER FOAM FILTER COVER ELEMENT AIR CLEANER BODY LATCH TABS AIR CLEANER PAPER FILTER ELEMENT COVER LATCH TABS AIR CLEANER BODY FILTER, OUTER INSPECTION 1. Press the latch tabs on the air cleaner cover, and remove the cover. Check the filter to be sure it is clean and in good condition.
  • Page 16 MAINTENANCE Cleaning Foam Filter Air Cleaner 1. Wash the element in a solution of water and liquid soap. Squeeze dry in a clean cloth. 2. Saturate element in engine oil and squeeze in a clean cloth to remove excess oil. 3.
  • Page 17: Storage & Transporting

    STORAGE & TRANSPORTING 7. STORAGE & TRANSPORTING 7.1 STORING YOUR ENGINE 7.1.1 Storage Preparation Proper storage preparation is essential for keeping your engine trouble free and looking good. The following steps will help to keep rust and corrosion from impairing your engine’s function and appearance, and will make the engine easier to start after storage.
  • Page 18 STORAGE & TRANSPORTING Draining the Fuel Tank and Carburettor 1. Place an approved fuel container below the carburettor, and use a funnel to avoid spilling fuel. 2. Remove the carburettor drain bolt CARBURETTOR and sealing washer. FLOAT BOWL 3. After all the fuel has drained into the SEALING WASHER container, reinstall the drain bolt and sealing...
  • Page 19 STORAGE & TRANSPORTING 7.2 REMOVAL FROM STORAGE Check your engine as described in the page 6 and 7. If the fuel was drained during storage preparation, fill the tank with fresh fuel. If you keep a container of fuel for refuelling, be sure that it contains only fresh fuel. Fuel oxidizes and deteriorates over time, causing hard starting.
  • Page 20: Troubleshooting

    TROUBLESHOOTING 8. TROUBLESHOOTING ENGINE WILL NOT Possible Cause Correction START 1. Choke Throttle Lever wrong Move Throttle Lever to the Equipped position choke/start position unless Engine engine is warm. (page 7) 2. Primer Push Primer Bulb firmly 3 Equipped Incorrect use of Primer Bulb times.
  • Page 21: Technical & Consumer Information

    TROUBLESHOOTING 9. TECHNICAL & CONSUMER INFORMATION Serial Number Location ENGINE TYPE SERIAL NUMBER Record the engine serial number in the space below. You will need this serial number when ordering parts, and when making technical or warranty inquires. Engine serial number: Maintenance Follow the maintenance schedule.
  • Page 24: Warranty

    SERVICING AND REPAIRS MUST USE GENUINE PARTS OR YOUR WARRANTY WILL BE VOID. MTD Products Australia Pty.Ltd reserves the right to make changes and add improvements to its products at any time without notice or obligation. The Company also reserves the right to discontinue manufacture of any product at its discretion at any time.

This manual is also suitable for:

Ohv700Ohv710Ohv800Ohv880Ohv910

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