The impressive F70 Midrange weighs in at up to 80 pounds lighter than its competitors, giving it class-leading power-to-weight. Its siblings, the F60 and F50, also boast the same, ingenious engineering, with fewer horses. This protection is standard on all the Yamaha Midrange , and horsepower four strokes.
Our 1-liter hp midrange features a two-piece upper case and 10 percent lighter pistons. Our 1-liter hp midrange offers light weight and exhilarating performance. A dynamite choice for the inshore angler, it gives you the option of dialing in trolling speeds in precise, RPM increments.
All Jet model weights include the jet pump assembly weight estimated. Midrange four strokes Mechanical or Tiller: 70 hp, 60 hp, 50 hp. Owners Manuals. View the 70 hp. Single Overhead Camshaft. Fuel Economy. Fuel Economy Precision Multi-Point Electronic Fuel Injection delivers the exact amount of fuel needed for optimum performance and efficiency. Powerful Hole Shot. A Yamaha 70hp outboard repair manual is a must-have item for any sailor, either novice or advanced.
These repair manuals are technical manuals specifically written for the care, maintenance, diagnostics, repair, and longevity of your outboard motor on your boat.
Knowing which manual to purchase and trust is as simple as checking out the below guide and choosing which one suits your experience level. Simply put, your Yamaha marine outboard motor is the propulsion system consisting of a self-contained unit located in the aft of your vessel which includes: the engine, gearbox, and propeller or jet drive, specifically designed to be affixed to the outside of the transom, or the rear surface of your boat.
Just like the user manual in the glove box of your car, these technical guidebooks typically detail basic functionality of your product for basic understanding. If you plan on properly maintaining your outboard motor, check into the other Yamaha manuals listed for advanced information to do it yourself. Historically, these Yamaha 70hp repair manuals were reserved for certified engine technicians. In recent years, these products have opened up to the public for self-management of the products they wish to maintain.
Lock plate The lock plate must be attached to the en- gine stop switch for the engine to run. The power trim and tilt switch is located on EMU the side of the bottom engine cowling.
Trim tab Top cowling lock lever s turn type 2. Bolt To remove the engine top cowling, turn the lock lever s and lift off the cowling. When in- EMU Trim rod tilt pin stalling the cowling, check to be sure it fits The position of the trim rod determines the properly in the rubber seal. Engine trouble warning indicator Tachometer 8. Set button This gauge shows the engine speed and has 9. Mode button the following functions. NOTE: The water separator and engine trouble warning indicators only operate when the en- gine is equipped with the appropriate func- tions.
Oil level indicator your boat under different conditions. Adjust the trim angle to the desired setting with the EMU Overheat warning indicator digital power trim and tilt switch.
Consult your Yamaha dealer if the problem can- not be located and corrected. EMU Overheat warning This engine has an overheat warning device. Oil injection models This engine has an oil level warning system. If the oil level falls below the lower limit, the warning system will activate. Page 27 Basic components ZMU 1. Con- wise the engine could be completely lost sult your Yamaha dealer boat if it accidentally falls off the transom.
Page Breaking In Engine Operation board if packed. If used, they must be of at least the same quality of material and strength and must be tightened securely. Page Preoperation Checks Check fuel line connections to be sure they are tight if equipped Yamaha fuel tank or Watch for oil flowing through the oil feed boat tank. After any air in the oil lines has Ring Free Fuel Addi- 25 L 6.
Fire or explosion could result. This engine uses the Yamaha oil injection system, which provides superior lubrication by ensuring the proper oil ratio for all operat- ZMU ing conditions. No fuel premixing is needed. Page Starting Engine Operation tank cap, loosen it 2 or 3 turns. Squeeze the primer pump with the outlet end up until you feel it become firm. ZMU If there is a fuel joint on the motor, firmly connect the fuel line to the joint. Page 36 Operation gine stop switch.
Do not attach the lanyard to clothing that could tear loose. NOTE: The start-in-gear protection device prevents the engine from starting except when in neu Page Warming Up Engine Place the throttle grip in the fully closed the lower case or the cooling water pilot position. Consult your Yamaha dealer if the problem cannot be located and corrected.
Move the gear shift lever quickly and Move the gear shift lever quickly and firmly from neutral to reverse. Remote control models Pull up the neutral interlock trigger if equipped and move the remote control lever quickly and firmly from neutral to forward. Page Procedure Operation ping the engine immediately after operating at high speed is not recommended. ZMU Tighten the air vent screw on the fuel tank cap if equipped. Page Adjusting Trim Angle Operation the boat, sea conditions, and running speed.
Increase speed gradu- Excessive trim for the operating condi- ally and watch for any signs of instabil- tions either trim up or trim down can ity or control problems. Performance and econ- omy are decreased because the hull of the boat is pushing the water and there is more air drag. Page Tilting Up And Down Operation motor trim angle may have little effect on the trim of the boat when operating. EMU Tilting up and down If the engine will be stopped for some time or if the boat is moored in shallows, the out- board motor should be tilted up to protect the propeller and casing from damage by colli- sion with obstructions, and also to reduce Otherwise the outboard motor could fall back down suddenly if oil in the power trim and tilt unit loses pres- sure.
Cruising in turbid water Yamaha strongly recommends that you use the optional chromium-plated water pump kit not available for some models if you use the outboard motor in turbid or muddy water Consult your Yamaha Propeller nut: dealer for further details.
Seal replacement should be per- gen gas; therefore, you should always formed by an authorized Yamaha dealer follow these preventive measures: prior to use. Charge batteries in a well-ventilated ar- Grease all grease fittings. Page Cleaning The Outboard Motor EMU Replacement parts If replacement parts are necessary, use only genuine Yamaha parts or parts of the same type and of equivalent strength and materi- als.
Any part of inferior quality may malfunc- tion, and the resulting loss of control could ZMU endanger the operator and passengers. Page Maintenance Chart When operating in salt water, turbid or muddy water, the engine should be flushed with clean water after each use. Initial Every 50 hours Item Page Cleaning And Adjusting Spark Plug When fitting the plug, always clean the gas- Instead, take the outboard motor to a ket surface and use a new gasket.
Wipe off Yamaha dealer. You should periodically re- any dirt from the threads and screw in the move and inspect the spark plug because spark plug to the correct torque. Page Inspecting Fuel Filter Check the fuel lines for leaks, crack, or mal- There will be fuel in the fuel filter.
Keep function. If a problem is found, your Yamaha away from sparks, cigarettes, flames or dealer or other qualified mechanic should re- other sources of ignition.
0コメント