Yamaha 25 Owner's Manual

Also see for 25: Owner's manual

Contents

Maintenance55almost stall.9. Remove the outboard motor from thetest tank.10. Drain the cooling water completely outof the motor. Clean the body thoroughly.11. Install the silencer cover/cap and topcowling.EMU28402Lubrication1. Install the spark plug(s) and torque toproper specification. For information onspark plug installation, see page 60.2. Change the gear oil. For instructions,see page 63. Inspect the oil for the pres-ence of water that indicates a leaky seal.Seal replacement should be performedby an authorized Yamaha dealer prior touse.3. Grease all grease fittings. For further de-tails, see page 60.TIP:For long-term storage, fogging the enginewith oil is recommended. Contact yourYamaha dealer for information about foggingoil and procedures for your engine.EMU28423Cleaning and anticorrosionmeasures1. Wash down the exterior of the outboardmotor with fresh water and dry off com-pletely. NOTICE: Do not spray waterinto the air intake. [ECM01840]2. Spray the outboard motor exterior with“Yamaha Silicone Protectant”.3. Wax the cowling with a non-abrasivewax such as “Yamaha Silicone Wax”.EMU28451Cleaning the outboard motorAfter use, wash the exterior of the outboardmotor with fresh water. Flush the coolingsystem with fresh water.EMU28460Checking painted surface of motorCheck the motor for scratches, nicks, or flak-ing paint. Areas with damaged paint aremore likely to corrode. If necessary, cleanand paint the areas. A touch-up paint is avail-able from your Yamaha dealer.EMU37160Periodic maintenanceWARNINGEWM02010These procedures require mechanicalskills, tools, and supplies. If you do nothave the proper skills, tools, or suppliesto perform a maintenance procedure,have a Yamaha dealer or other qualifiedmechanic do the work.The procedures involve disassemblingthe motor and exposing dangerous parts.To reduce the risk of injury from moving,hot, or electrical parts: Turn off the engine and keep the key(s)and engine shut-off cord (lanyard) withyou when you perform maintenanceunless otherwise specified. Allow the engine to cool before han-dling hot parts or fluids. Always completely reassemble the mo-tor before operation.Maintenance, replacement, or repair ofthe emission control devices and sys-ZMU02871