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Yamaha MZ175 Owner's Manual

Other manuals for MZ175: Owner's Manual, Service Manual

Summary of MZ175

  • Page 1

    Lit-19626-02-05 7vb-f8199-11 printed in china 2013.11×1 ! (e) mz175 mz200 mz250 mz300 mz360 owner’s manual read this manual carefully before operating this machine. 7vb-f8199-11_hyoshi.Indd 1-2 2013/11/27 15:04:17.

  • Page 2

    Read this manual carefully before operating this machine. This manual should stay with this machine if it is sold. 7vb-f8199-11_hyoshi.Indd 3-4 2013/11/27 15:04:17.

  • Page 3: Introduction

    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. Mz175, mz...

  • Page 4

    Particularly important information is distin- guished in this manual by the following notations. This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety mes- sages that follow this symbol to avoid possible injury or death. Warning a warning indi...

  • Page 5: Contents

    Safety information ....................... 1 exhaust fumes are poisonous ............ 1 fuel is highly flammable and poisonous ............................................ 1 engine and muffler may be hot ........... 2 electric shock prevention .................... 3 location of important labels .......

  • Page 6: Safety Information

    – 1 – safety information 9 do not allow children to operate the multi-purpose engine. Exhaust fumes are poisonous 9 using a multi-purpose engine indoors can kill you in minutes. Multi-purpose engine exhaust contains carbon monoxide. This is a poison you cannot see or smell. 9 never use inside a home...

  • Page 7

    – 2 – engine and muffler may be hot 9 place the machine in a place where pedestrians or children are not likely to touch the machine. 9 when operating or transporting the machine, be sure it is kept upright. If it tilts, fuel may leak from the carburetor or fuel tank. 9 when refueling, do not place ...

  • Page 8

    – 3 – electric shock prevention 9 never operate the engine in rain or snow. 9 never touch the machine with wet hands or elec- trical shock will occur. 9 do not operate the engine with a dust cover or other objects covering it. 9 when covering the multi-purpose engine, be sure to do so only after the...

  • Page 9

    – 4 – 7vb-f8199-11_e0.Indd 4 2013/12/04 10:13:26.

  • Page 10

    – 5 – location of important labels please read the following labels carefully before oper- ating this machine. Tip maintain or replace safety and instruction labels, as necessary. (without fuel tank model) (mz175) 1 2 4 2 3 1 this spark ignition system meets all re- ce système d’allumage respecte to...

  • Page 11

    – 6 – 4 3 7cn-f4162-50 7vb-f8199-11_e0.Indd 6 2013/12/04 10:13:28.

  • Page 12

    – 7 – 1 2 4 3 1 (with fuel tank model) (without fuel tank model) (mz200) 7vb-f8199-11_e0.Indd 7 2013/12/04 10:13:29.

  • Page 13

    – 8 – 4 2 this spark ignition system meets all re- ce système d’allumage respecte toutes les exigences sur le matériel brouilleur du canada. 7cc-h2377-50 quirements of the canadian interference causing equipment regulations. 3 7cn-f4162-50 7vb-f8199-11_e0.Indd 8 2013/12/04 10:13:30

  • Page 14

    – 9 – 1 2 4 3 (mz250, mz300 (7vb)) 1 (with fuel tank model) (without fuel tank model) 7vb-f8199-11_e0.Indd 9 2013/12/04 10:13:30

  • Page 15

    – 10 – 3 7cn-f4162-50 4 2 this spark ignition system meets all re- ce système d’allumage respecte toutes les exigences sur le matériel brouilleur du canada. 7cc-h2377-50 quirements of the canadian interference causing equipment regulations. 7vb-f8199-11_e0.Indd 10 2013/12/04 10:13:30

  • Page 16

    – 11 – 1 2 4 3 (without fuel tank model) (mz300 (7cs), mz360) 1 this spark ignition system meets all re- ce système d’allumage respecte toutes les exigences sur le matériel brouilleur du canada. 7cc-h2377-50 quirements of the canadian interference causing equipment regulations. 2 (with fuel tank mod...

  • Page 17

    – 12 – 4 3 7cn-f4162-50 7vb-f8199-11_e0.Indd 12 2013/12/04 10:13:32.

  • Page 18: Description

    – 13 – 0 7 4 2 8 1 5 6 9 3 0 7 4 2 8 1 3 5 6 9 description (mz175, mz200, mz360) (mz250, mz300 (7vb)) 7vb-f8199-11_e0.Indd 13 2013/12/04 10:13:32.

  • Page 19

    – 14 – 0 7 4 2 8 1 5 6 9 q w 3 1 fuel tank cap (on models equipped with a yamaha fuel tank) 2 fuel tank (on models equipped with a yamaha fuel tank) 3 throttle lever 4 recoil starter handle 5 fuel cock lever 6 fuel cock cup 7 air filter case cover 8 choke lever 9 spark plug 0 muffler q oil warning l...

  • Page 20: Control Function

    – 15 – 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. Tip (manual starting model) if the engine stalls or does not start, turn the engine swit...

  • Page 21

    – 16 – 1 2 2 1 fuel cock lever the fuel cock supplies fuel from the fuel tank to the carburetor. The fuel cock has two positions. 1 on with the lever in this position, fuel flows to the carbu- retor. Normal using is done with the lever in this posi- tion. 2 off with the lever in this position, fuel ...

  • Page 22

    – 17 – choke lever starting a cold engine requires a richer air-fuel mix- ture, which is supplied by the choke lever. 1 choke lever a b c functions and specification differs depending on the models. Throttle lever throttle lever controls the engine speed. 1 “ ” lever position to idle the engine. Dec...

  • Page 23: Preparation

    – 18 – 1 preparation fuel (for models equipped with a yamaha fuel tank) warning 9 fuel is highly flammable and poisonous. Check “safety information” (see page 1) carefully before filling. 9 do not fill the fuel above the red line, other- wise it may overflow when the fuel warms up and expands. 9 wip...

  • Page 24

    – 19 – recommended fuel: unleaded gasoline fuel tank capacity: total: mz175 4.0 l (1.06 us gal, 0.88 imp gal) mz200 4.0 l (1.06 us gal, 0.88 imp gal) mz250 5.5 l (1.45 us gal, 1.21 imp gal) mz300 5.5 l (1.45 us gal, 1.21 imp gal) mz360 6.1 l (1.61 us gal, 1.34 imp gal) your yamaha engine has been de...

  • Page 25

    – 20 – 700-006 700-103 2 engine oil notice the multi-purpose engine has been shipped with- out engine oil. Do not start the engine until you have filled it with the sufficient engine oil. 1. Place the multi-purpose engine on a level surface. 2. Remove the oil filler cap. 1 oil filler cap 3. Fill the...

  • Page 26

    – 21 – 0˚c a yamalube 4 (10w-40) d sae 10w c sae #20 b sae #30 32˚f 25˚c 80˚f recommended engine oil: a yamalube 4 (10w-40), sae 10w-30 or 10w-40 b sae #30 c sae #20 d sae 10w recommended engine oil grade: api service se type or higher engine oil quantity: mz175 0.6 l (0.63 us qt, 0.53 imp qt) mz200...

  • Page 27: Pre-Operation Check

    – 22 – pre-operation check warning if any item in the pre-operation check is not work- ing properly, have it inspected and repaired before operating the multi-purpose engine. The condition of a multi-purpose engine is the owner’s responsibility. Vital components can start to deteriorate quickly and ...

  • Page 28: Operation

    – 23 – operation warning never operate the engine in a closed area or it may cause unconsciousness and death within a short time. Operate the engine in a well ventilated area. Notice the multi-purpose engine has been shipped with- out engine oil. Do not start the engine until you have filled it with...

  • Page 29

    – 24 – 1 2 2 701-025c 701-033 2 starting the engine 1. Turn the fuel cock lever to on. 1 on 2. Pull the choke lever fully out. A turn the choke lever to “1” . B c 2 choke lever a b c functions and specification differs depending on the models. Tip the choke is not required to start a warm engine. Wh...

  • Page 30

    – 25 – 4. Turn the engine switch to “on”/“7” (on). 4 “on”/“7” (on) a manual starting model b electric starting model 4 763-127h 4 3 3 3. Move the throttle lever slightly to right . 3 throttle lever a b functions and specification differs depending on the models. 5. (manual starting model) pull the r...

  • Page 31

    – 26 – 7. After the engine starts, warm up the engine enough so that the engine does not stop when the choke lever is returned to the original position. 6 original position a b c functions and specification differs depending on the models. 763-120a 5 6. (electric starting model) turn the engine swit...

  • Page 32

    – 27 – stopping the engine 1. Move the throttle lever fully to the left . 1 throttle lever a b functions and specification differs depending on the models. 2. Turn the engine switch to “off”/“5” (stop). 2 “off”/“5” (stop) a manual starting model b electric starting model 8. Set the throttle lever in...

  • Page 33

    – 28 – 3 3 3. Turn the fuel cock lever to off. 3 off 7vb-f8199-11_e0.Indd 28 2013/12/04 10:13:46.

  • Page 34

    – 29 – high altitude operation this engine may require a high altitude carburetor kit to ensure correct engine opera- tion 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...

  • Page 35: Periodic Maintenance

    – 30 – periodic maintenance safety is an obligation of the owner. Periodic inspection, adjustment and lubrication will keep your multi-purpose engine in the safest and most efficient condition possible. The most important points of multi-purpose engine inspection, adjustment, and lubrication are exp...

  • Page 36

    – 31 – item routine pre- operation check initial every 1 month or 20 hrs 3 months or 50 hrs 6 months or 100 hrs 12 months or 300 hrs crankcase breather hose • check breather hose for cracks or damage. 1 • replace if necessary. Cylinder head • decarbonize cylinder head. After every 500 hrs. () • mor...

  • Page 37

    – 32 – a spark plug inspection the spark plug is an important engine component, which should be checked periodically. 1. Remove the spark plug cap and the spark plug. 2. Check for discoloration and remove the carbon. The porcelain insulator around the center elec- trode of spark plug should be a med...

  • Page 38

    – 33 – 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. Engine oil replacement warning avoid draining the engine oil immediately after stopping the engin...

  • Page 39

    – 34 – 700-006a 5 6. Add engine oil to the correct level. 5 correct level notice be sure no foreign material enters the crankcase. 0˚c a yamalube 4 (10w-40) d sae 10w c sae #20 b sae #30 32˚f 25˚c 80˚f recommended engine oil: a yamalube 4 (10w-40), sae 10w-30 or 10w-40 b sae #30 c sae #20 d sae 10w ...

  • Page 40

    – 35 – air filter 1. Remove the screws, and then remove the air filter case cover. 1 screw 2 air filter case cover 2. Remove the foam element. 3 foam element 3. Wash the foam element in solvent and dry it. Warning never use solvent while smoking or in the vicinity of an open flame. 4. Oil the foam e...

  • Page 41

    – 36 – 2. Use a flathead screw driver to pry the spark arrester out from the muffler. 711-003a 2 3. Remove the spark arrester. 2 spark arrester 4. Remove the carbon deposits on the spark arrester using a wire brush. Notice when cleaning, use the wire brush lightly to avoid damaging or scratching of ...

  • Page 42

    – 37 – 3 4 6. Install the spark arrester. Tip align the spark arrester lump with the hole in the muf- fler pipe. 3 spark arrester lump 4 hole 7. Install the screw, and then tighten the screw. 3. Remove the spark arrester. 4 spark arrester 4 (for mz175, mz200, mz360) 1. Loosen the muffler cap bolt an...

  • Page 43

    – 38 – 4. Remove the carbon deposits on the muffler cap, muffler screen and spark arrester using a wire brush. Notice when cleaning, use the wire brush lightly to avoid damaging or scratching of the muffler screen and spark arrester. 5. Check the muffler screen and spark arrester. Replace them if da...

  • Page 44

    – 39 – fuel cock warning never use the gasoline while smoking or in the vicinity of an open flame. 1. Stop the engine. 2. Turn the fuel cock lever to off. 1 off 3. Remove the fuel cock cup, gasket and fuel strain- er. 2 fuel cock cup 3 gasket 4 fuel strainer 4. Clean the cup and fuel strainer with g...

  • Page 45

    – 40 – 2 1 fuel tank filter (for models equipped with a yamaha fuel tank) warning never use the gasoline while smoking or in the vicinity of an open flame. 1. Remove the fuel tank cap and fuel tank filter. 1 fuel tank cap 2 fuel tank filter 2. Clean the fuel tank filter with gasoline. Replace it if ...

  • Page 46

    – 41 – 779-042 3 2. Replace the blown fuse with one of proper amper- age. Specified fuse: 10 a tip if the fuse immediately blows again, consult a yamaha dealer. 3 fuse 3. Install the cover and then tighten the screws. 7vb-f8199-11_e0.Indd 41 2013/12/04 10:13:58.

  • Page 47: Storage

    – 42 – 2 storage long term storage of your machine will require some preventive procedures to guard against deterioration. Drain the fuel 1. Turn the engine switch to “off”/“5” (stop). 1 “off”/“5” (stop) a manual starting model b electric starting model 2. Remove the fuel tank cap and fuel tank filt...

  • Page 48

    – 43 – 4 5. Start the engine and leave it run until it stops. The engine stops in approximately 20 minutes time by running out of fuel. Tip duration of the running engine depends on the amount of the fuel left in the tank. 6. Drain the fuel from the carburetor into a clean container by loosening the...

  • Page 49

    – 44 – engine perform the following steps to protect the cylinder, pis- ton ring, etc. From corrosion. 1. Remove the spark plug, pour about one table- spoon of engine oil (see page 34) into the spark plug hole and reinstall the spark plug. Recoil start the engine by turning over several times (with ...

  • Page 50: Troubleshooting

    – 45 – 1 700-006 troubleshooting engine won’t start 1. Fuel systems no fuel supplied to combustion chamber. 2 no fuel in tank .... Supply fuel. 2. Engine oil system insufficient 2 oil level is low .... Add engine oil. 3. Electrical systems 2 (manual starting model) engine switch to “on” and pull the...

  • Page 51

    – 46 – poor spark 2 spark plug dirty with carbon or wet .... Remove carbon or wipe spark plug dry. 2 faulty ignition system .... Consult a yamaha deal- er. 7vb-f8199-11_e0.Indd 46 2013/12/04 10:14:00

  • Page 52

    – 47 – a engine does not start b turn the engine switch to “on”, then pull the recoil starter and check if the oil warning light flickers. C does not flicker d flickers e check engine oil level. F ok g level low consult a yamaha dealer. Add engine oil. K check the spark plug. 9 type: bpr4es 9 gap: 0...

  • Page 53

    – 48 – 7vb-f8199-11_e0.Indd 48 2013/12/04 10:14:00

  • Page 54

    – 49 – a engine does not start b turn the engine switch to “7” (on), then turn the engine switch to “6” (start). And check if the starter motor cranks. P34-1.Art c cranks d does not crank f turn the engine switch to “6” (start), and check if the oil warning light comes on. P34-2.Art g does not come ...

  • Page 55

    – 50 – i check engine oil level. J ok k level low consult a yamaha dealer. Add engine oil. O check the spark plug. 9 type: bpr4es 9 gap: 0.7–0.8 mm (0.028–0.031 in) p incorrect q ok replace or adjust gap. Clean the spark plug. E faulty battery and/or starter motor. Consult a yamaha dealer. 7vb-f8199...

  • Page 56: Specifications

    – 51 – specifications dimensions unit mz175 mz175 mz175 7cn 7cn 7cp with fuel tank model without fuel tank model with fuel tank model overall length mm (in) 326 (12.83) 337 (13.27) 317 (12.48) overall width mm (in) 352 (13.86) 352 (13.86) 361 (14.21) overall height mm (in) 407 (16.02) 238 (9.37) 407...

  • Page 57

    – 52 – engine unit mz175 mz175 mz175 7cn 7cn 7cp with fuel tank model without fuel tank model with fuel tank model type air cooled 4-stroke gasoline ohv air cooled 4-stroke gasoline ohv air cooled 4-stroke gasoline ohv cylinder arrangement inclined, 1 cylinder inclined, 1 cylinder inclined, 1 cylind...

  • Page 58

    – 53 – unit mz250 mz300 mz300 7kb 7vb 7vb without fuel tank model with fuel tank model without fuel tank model type air cooled 4-stroke gasoline ohv air cooled 4-stroke gasoline ohv air cooled 4-stroke gasoline ohv cylinder arrangement inclined, 1 cylinder inclined, 1 cylinder inclined, 1 cylinder d...

  • Page 59

    – 54 – unit mz360 mz360 7by 7cn without fuel tank model without fuel tank model type air cooled 4-stroke gasoline ohv air cooled 4-stroke gasoline ohv cylinder arrangement inclined, 1 cylinder inclined, 1 cylinder displacement cm 3 357 357 bore × stroke mm (in) 85.0 × 63.0 (3.35 × 2.48) 85.0 × 63.0 ...

  • Page 60: Consumer Information

    – 55 – 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. Pri-i.D. Number: pri-i.D. Code serial no...

  • Page 61: Components

    – 56 – exhaust emission control system and components item acronym 9 carb. Assy., lh. & jt., .......................Carb (carburetor) carburetor2 9 t.C.I. Magneto assy. & .....................Ei (electronic ignition) plug, spark 9 crankcase1 & head, .......................Pcv (positive crankcase cyl...

  • Page 62

    7vb-f8199-11_e0.Indd 57 2013/12/04 10:14:01.