User manual YAMAHA 15HP-1998

[. . . ] In this Owner's Manual particularly important information is distinguished in the following ways. The Safety Alert Symbol means ATTENTION!YOUR SAFETY IS INVOLVED! cC A CAUTION indicates special precautions that must be taken to avoid damage to the outboard motor. NOTE: A NOTE provides key information to make procedures easier or clearer. [. . . ] 8 Do not tilt up the engine by pushing the steering handle as this could break the handle. 8 Keep the power unit higher than the propeller at all times. Otherwise, water can run into the cylinder, causing damage. w Be sure all people are clear of the outboard motor when adjusting the tilt angle, also be careful not to pinch any body parts between the drive unit and engine bracket. w Leaking fuel is a fire hazard. Disconnect the fuel line if the engine will be tilted for more than a few minutes. (If the fuel connector is provided on the motor. ) 3-22 E EMU00290 PROCEDURE FOR TILTING UP 1) 2) Place the gear shift lever in Neutral. Remove the fuel line connection from the motor. 304013 3) Place the tilt lock lever in the release position. 402015 4) 5) Hold the rear of the top cowling with one hand and fully tilt the engine up. The tilt support bar turns to the locked position automatically. 403013 EMU00300 PROCEDURE FOR TILTING DOWN 1) 2) 3) 403012 Place the tilt lock lever in the lock position. Slightly tilt up the engine until the tilt support bar is released automatically. Tilt down the engine. 3-23 E EMH60010 CRUISING IN OTHER CONDITIONS CRUISING IN SALT WATER After operating in salt water, wash out the cooling-water passages with fresh water to prevent them from becoming cloggedup with salt deposits. NOTE: Refer to cooling system flushing instructions in "TRANSPORTING AND STORING OUTBOARD MOTOR". CRUISING IN TURBID WATER It is strongly recommended that the optional chromium-plated water-pump kit be installed if the outboard is to be used in turbid (muddy) water conditions. 3-24 E -MEMO- E EMK00010 Chapter 4 MAINTENANCE 1 2 3 4 5 6 SPECIFICATION DATA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 TRANSPORTING AND STORING OUTBOARD MOTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3 Trailering outboard motor. . . . . . . . . . . . . . . . . . . 4-3 Storing outboard motor . . . . . . . . . . . . . . . . . . . . . . 4-4 PERIODIC MAINTENANCE. . . . . . . . . . . . . . . . . . . . . . 4-7 Replacement parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7 Maintenance chart. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8 Cleaning and adjusting spark plug. . . . . 4-9 Checking fuel system. . . . . . . . . . . . . . . . . . . . . . . . . 4-11 Inspecting fuel filter . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12 Adjusting idling speed. . . . . . . . . . . . . . . . . . . . . . . 4-13 Checking wiring and connectors . . . . . . 4-14 Exhaust leakage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14 Water leakage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14 Greasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15 Checking propeller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-16 Changing gear oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18 Cleaning fuel tank. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19 Inspecting and replacing anode . . . . . . . 4-20 Checking bolts and nuts . . . . . . . . . . . . . . . . . . . . 4-21 Motor exterior. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-21 Coating the boat bottom . . . . . . . . . . . . . . . . . . . 4-21 E EMR50302* SPECIFICATION DATA Model Item DIMENSIONS 8Overall Length 8Overall Height 8Overall Width 8Transom height 8Weight PERFORMANCE 8Full throttle operating range 8Maximum output 8Idling speed (in neutral) ENGINE 8Engine type Displacement Bore × stroke 8Ignition system 8Spark plug Spark plug gap 8Control system 8Starting system 8Battery capacity Minimum cold crank peformance Minimum reserve capacity 8Alternator output 8Starting carburetion system DRIVE UNIT 8Gear positions Gear ratio 8Trim/tilt system 8Propeller mark FUEL AND OIL 8Fuel Fuel tank capacity 8Recommended engine oil Fuel/oil ratio 8Recommended gear oil Gear oil quantity TIGHTENING TORQUE 8Spark plug 8Propeller nut N·m (kgf·m, lb·ft) N·m (kgf·m, lb·ft) 25 (2. 5, 18) 17 (1. 7, 12) L (US gal, Imp gal) Regular unleaded gasoline (P. O. N. : minimum 86) 25 (6. 6, 5. 5) YAMALUBE, 2 STROKE OUTBOARD OIL or an equivalent TC-W3 certified outboard oil 100 : 1 Hypoid gear oil (SAE 90) 250 (8. 5, 8. 8) Forward-Neutral-Reverse 2. 08 (27/13) Manual J cm3 (cu. in. ) mm (in. ) NGK mm (in. ) 2-stroke, L2 246 (15. 01) 56 × 50 (2. 20 × 1. 97) C. D. I B7HS-10 0. 9~1. 0 (0. 035~0. 039) Tiller control Manual start -- -- -- 12-(80) Choke valve start system r/min kW (HP) r/min 4, 500~5, 500 7. 3 (9. 9) at 5, 000 r/min. 700~800 S S S mm (in. ) mm (in. ) mm (in. ) mm (in. ) kg (lb. ) 873 (34. 4) 1, 040 (40. 9) 332 (13. 1) 440 (17. 3) 36. 6 (79. 4) Unit 9. 9MHA V-AH (kc) Amps at -17. 8°C (0°F) minutes at 26. 7°C (80°F) V-A (W) cm3 (US oz, Imp oz) 4-1 E 15MHA -- -- 873 (34. 4) 1, 040 (40. 9) 332 (13. 1) 440 (17. 3) 36. 6 (79. 4) 4, 500~5, 500 11. 0 (15) at 5, 000 r/min. Fill the tank with fresh water to above the level of the anti-cavitation plate. Remove the cap a for fogging on the silencer cover. Run the engine at a fast idle for 10~15 minutes. Just prior to turning off the engine, quickly spray "Yamaha Stor-Rite Engine Fogging Oil" (Part No. LUBSTRRT-12-00) into the silencer cover. When properly done, the engine will smoke excessively and almost stall. Install the cap and the top cowling. 2 Lowest water level a 4) 5) 6) q w 7) 605024 8) 4-5 1 Water surface E EMK26010 Lubrication 1) Remove the spark plugs, and spray a 10 second spray of Yamaha Stor-Rite Engine Fogging Oil into each cylinder. Grease the spark plug threads and reinstall the spark plugs and torque to proper specification. (Refer to the Periodic Maintenance section, "Cleanning and adjusting spark plug. "). 2) Turn the engine over with the stop lanyard disconnected to work the fogging oil into the piston rings. (Refer to the Periodic Maintenance section, "Changing gear oil. "). [. . . ] If a question or problem arises regarding warranty, first contact the owner of the dealership. Since all warranty matters are handled at the dealer level, this person is in the best position to help you. If you are still not satisfied and require additional assistance, please write: YAMAHA MOTOR CORPORATION U. S. A. CUSTOMER RELATIONS DEPARTMENT P. O. Box 6555 Cypress, California 90630 When contacting Yamaha Motor Corporation, U. S. A. [. . . ]