Yamaha YP20T, YP40T Owner's Manual PDF

Pages 40
Year 2014
Language(s)
English en
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Summary of Content for Yamaha YP20T, YP40T Owner's Manual PDF

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INTRODUCTION Congratulations on your purchase of your new Yamaha... This manual will provide you with a good basic understanding of the operation and maintenance of this machine... If you have any questions regarding the operation or maintenance of your machine, please consult a Yamaha dealer...

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ments in product design and quality... Therefore, while this manual contains the most current product information available at the time of printing, there may be minor discrepancies between your machine and this manual... If there is any question concerning this manual, please consult a Yamaha dealer...

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PERIODIC MAINTENANCE ... 16 Maintenance chart ... 16 Spark plug inspection ... 17 Carburetor adjustment ... 18 Water leakage check ... 18 Engine oil replacement ... 18 Air filter ... 20 Fuel cock ... 21 Fuel tank filter ... 22 Muffler screen and spark arrester ... 22 Troubleshooting ... 24

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any to get in your eye(s), see your doctor immedi- ately... If any fuel spills on your skin or clothing, immediately wash with soap and water and change your clothes...

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9 In order to prevent overheating, ensure adequate airflow by keeping the machine at least 1 m (3 ft) from objects or other equipment...

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LOCATION OF IMPORTANT LABELS Please read the following labels carefully before oper- ating this water pump... TIP Maintain or replace safety and instruction labels, as necessary...

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1 Air filter case cover 2 Choke lever 3 Fuel cock 4 Fuel tank cap 5 Fuel tank 6 Muffler 7 Priming plug 8 Engine switch 9 Oil filler cap 0 Oil drain bolt q Oil warning light w Recoil starter e Throttle lever r Spark plug t Water drain plug y Carrying handle

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CONTROL FUNCTION Oil warning light (Red) When the oil level falls below the lower level, the oil warning light comes on and then the engine stops automatically... Unless you refill with oil, the engine will not start again...

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Recoil starter The recoil starter is used to start the engine... Pull the recoil starter slowly until it is engaged, then pull it briskly...

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Your Yamaha engine has been designed to use regular unleaded gasoline with a pump octane number ((R + M)/2) of 86 or higher, or research octane number of 91 or higher...

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Recommended fuel: Unleaded gasoline Fuel tank capacity: Total: YP20T: 4... 0 L (1... 06 US gal, 0... 88 Imp gal) YP40T: 6... 1 L (1... 61 US gal, 1... 34 Imp gal)

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SAE 10W-30 or 10W-40 SAE #30 SAE #20 SAE 10W Recommended engine oil grade: API Service SE type or higher Engine oil quantity: YP20T: 0... 6 L (0... 63 US qt, 0... 53 Imp qt) YP40T: 1... 1 L (1... 16 US qt, 0... 97 Imp qt)

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9 The higher the water pump is from the water sur- face (more suction head), the longer it will take to prime and the lesser pump output (discharge head) will be...

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The condition of a water pump is the owners responsi- bility... Vital components can start to deteriorate quickly and unexpectedly, even if the water pump is unused...

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Pumping performance is affected by various factors including the length of the hoses and the vertical height from the water surface to the pump (suction head) and from the pump to the end of the discharge hose (discharge head)... As the height of the pump from the water surface increases the time necessary to prime the pump will increase and the discharge from the pump will decrease... Do not exceed maximum Total head and Suction head specifications for your water pump (See page 30)...

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TIP The choke is not required to start a warm engine... Turn the choke lever to the operating position...

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WARNING Be careful to use the recoil starter... In rare cases, the recoil starter handle can be drawn back quickly by the engine kickback...

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High altitude operation This engine may require a high altitude carburetor kit to ensure correct engine operation at altitudes above 4000 ft... (1219 meters)... If you operate your engine at altitudes above 4000 ft... (1219 meters) consistently, have your local Yamaha dealer perform the necessary carburetor modification... This engine should be operat- ed in its original configuration below 4000 ft... (1219 meters) as damage may occur if high altitude carbure- tor kit is installed and operated below 4000 ft... (1219 meters)...

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PERIODIC MAINTENANCE Maintenance chart Regular maintenance is most important for best performance and safe operation...

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TIP If a torque wrench is not available when installing a spark plug, a good estimate of the correct torque is 1/41/2 turn past finger tight... However, the spark plug should be tightened to the specified torque as soon as possible...

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Carburetor adjustment The carburetor is a vital part of the engine... Adjusting should be left to a Yamaha dealer with the professional knowledge, specialized data, and equipment to do so properly...

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SAE 10W-30 or 10W-40 SAE #30 SAE #20 SAE 10W Recommended engine oil grade: API Service SE type or higher Engine oil quantity: YP20T: 0... 6 L (0... 63 US qt, 0... 53 Imp qt) YP40T: 1... 1 L (1... 16 US qt, 0... 97 Imp qt)

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The engine should never run without the foam ele- ment; excessive piston and cylinder wear may result...

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Never use the gasoline while smoking or in the vicinity of an open flame...

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The engine and muffler will be very hot after the engine has been run... Avoid touching the engine and muffler while they are still hot with any part of your body or clothing during inspection or repair...

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When cleaning, use the wire brush lightly to avoid damaging or scratching of the muffler screen and spark arrester...

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Engine wont start 1... Fuel systems No fuel supplied to combustion chamber... 2 No fuel in tank ... Supply fuel... 2 Fuel in tank ... Fuel cock lever to ON...

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Water does not draw up 2 Loosened priming and/or drain plugs ... Tighten... 2 Loosened hose joint and/or band ... Tighten... 2 Damaged O-ring and/or gaskets ... Replace... 2 Damaged mechanical seal ... Consult a Yamaha

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9 To prevent FIRE HAZARDS be sure to place the spark plug as far way as possible from the spark plug hole and carburetor area...

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2... Remove the fuel tank cap and fuel tank filter... Extract the fuel from the fuel tank into an approved gasoline container using a commercially available hand siphon... Then, install the fuel tank filter and fuel tank cap...

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time by running out of fuel... TIP Duration of the running engine depends on the amount of the fuel left in the tank...

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spoon of engine oil (See page 19) into spark plug hole and reinstall the spark plug... Recoil start the engine by turning over several times (with ignition off) to coat the cylinder walls with oil...

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Rated output kW / r/min 3... 5 / 3600 7... 6 / 3600 Fuel Unleaded gasoline Fuel tank capacity L (US gal, Imp gal) 4... 0 (1... 06, 0... 88) 6... 1 (1... 61, 1... 34) Engine oil quantity L (US qt, Imp qt) 0... 6 (0... 63, 0... 53) 1... 1 (1... 16, 0... 97) Ignition system TCI Spark plug: Type BPR4ES (NGK)

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Identification number records Record your Primary I... D... , and serial num- bers in the spaces provided, to assist you in ordering spare parts from a Yamaha dealer... Also record and keep these I... D... numbers in a separate place in case your machine is stolen...

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The above items and the corresponding acronyms are provided in accordance with U... S... EPA REGULATIONS FOR NEW NONROAD SPARK-IGNITION NONHANDHELD ENGINES and the CALIFORNIA REGULATIONS FOR 1995 AND LATER SMALL OFF- ROAD ENGINES... The acronyms conform to the latest version of the SAEs recommended practice docu- ment J1930, Diagnostic Acronyms, Terms, and Definitions For Electrical/Electronic System...

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1 Oil warning light 2 Engine switch 3 TCI unit 4 Spark plug 5 Oil level switch 6 Oil warning unit

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Read this manual carefully before operating this machine...

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Read this manual carefully before operating this machine... This manual should stay with this machine if it is sold...

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