The lanyard is attached to the engine stop switch. . Visually inspect the fuel system for deterioration or leaks. While cranking engine with starter motor, note maximum compression pressure reading on gauge for each cylinder. Install compression gauge hose attachment into plug hole, then connect compression gauge hose to gauge hose attachment and compression gauge. Yamaha Lf225 Hp Outboard Service Repair Manual Pdf can be very useful guide, and Yamaha Lf225 Hp Outboard Service Repair Manual Pdf play an important role in your products.
Then shift position is in neutral and the fuel is reaching the carburetor. This induced voltage of sufficient amplitude causes the spark plugs to fire. We urge you to keep it maintained properly to ensure the safety of you and your passengers and retain its dependability. Check outboard for tightness on transom. This system provides quick voltage buildup and strong spark required for high power and high performance engines.
Most all service manual chapters start with an assembly or system illustration, diagrams, exploded parts view, quality pictures, service information and troubleshooting for the section. Not only does this allow the engine to develop full power, but equally important is the fact that the engine also will be operating in an rpm range that discourages damaging detonation. Performing the scheduled maintenance is very important. The problem is that once you have gotten your nifty new product, the Yamaha Lf225 Hp Outboard Service Repair Manual Pdf gets a brief glance, maybe a once over, but it often tends to get discarded or lost with the original packaging. As the flywheel rotates, electrical power alternating current is produced by the capacitor charging coil. Move and hold throttle lever in full-open position.
If you dont know the source of the trouble, go to the troubleshooting page located at the end of the manual for a list of causes and effects to determine the problem. After Payment you will be redirected to the download page. There are no incorrect wiring connections. When the ignition driver is off, the D. This, of course, enhances overall reliability and durability of the engine. Maintenance and troubleshooting are covered in each manual as well as wiring diagrams. Disconnect the safety lanyard from the emergency stop switch prior to cranking the engine.
This kit contains the wiring harness for the battery connection. This power is rectified by diodes so that direct current voltage is utilized by the ignition system. It compensates for the initial wear that occurs during the life of the engine. These can be diagnosed by a compression test, or by tracing top-end noise with a sounding rod or stethoscope. Start engine and allow to warm up, then shut engine off.
Our Yamaha manuals will guide you step by step from the easiest to the most difficult tasks on your marine engine. The subsequent pages give detailed procedures. The voltage discharged to the primary winding of the ignition coil causes a surge of high voltage to be induced in the secondary winding of the ignition coil. Each book contains hundreds of photos with instructions on exactly how to maintain your motor. Follow the Maintenance Schedule recommendations to ensure that the engine is in peak operating condition. The subsequent pages give detailed procedures. All service manual chapters start with an assembly or system illustration, diagrams, exploded parts view, quality pictures, service information and troubleshooting for the section.
Fix your problems now, download the pdf service manual directly to your computer in just seconds. An optional Yamaha high output 10 Amp alternator kit 856557A1 is also available for manual start models. If the performance is poor at low speeds, check for a white smoke in the crankcase breather tube. If you dont know the source of the trouble, go to the troubleshooting page for a list of causes and effects to determine the problem. This secondary loss, however, can be regained by switching to a smaller pitch propeller that allows the engine to again run at recommended rpm. For boaters to realize optimum engine performance under changing weather conditions, it is essential that the engine have the proper propeller to allow it to operate at or near the top end of the recommended maximum rpm range at wide-open-throttle with a normal boat load. Check steering system for binding or loose components.
Compression gauge Compression gauge hose Compression gauge hose attachment 5. Follow the Maintenance Schedule recommendations to ensure that the engine is in peak operating condition. Pay throug Paypal or with Credit Card. The rigging and engine settings are correct and engine is free from any hull problems. These sensors include the crank position sensor, engine temperature and oil pressure sender.
This service manual describes the service procedures for the complete Yamaha Outboard motor. A very simple download at a great price! Disconnect safety lanyard switch plate from emergency stop switch. Covers everything you need to know to fix your engine. Check propeller blades for damage. Visually check steering link rod fasteners for proper tightness.