Spark plug gap : 0. If reverse gear must be replaced, pinion gear and sliding clutch should be inspected or damage. Rotate crankshaft to be open lift up valve. The subsequent pages give detailed procedures. Disconnect positive + terminal second. Tighten engine oil drain plug to specified torque.
Routine and in-depth maintenance and periodic repairs at home will save you money and prolong the life of your outboard motor. Replace drive shaft if splines are worn or twisted. Rotate crankshaft to open lift up valve and then remove camshaft housing bolts where shim is to be replaced. Start engine and allow to warm up, then shut engine off. Contents include General Information Specifications Periodic Inspection and Adjustment Fuel System Power Unit Lower Unit Bracket Unit Electrical Systems Trouble Analysis Tags: manual. Disconnect negative — terminal first.
It prolongs the life of your outboard motor. Remove oil level dipstick and wipe it clean. Place outboard motor upright on a level surface. This applies to both outboard motors used in salt water and motors used in inland lakes and rivers. Disconnect safety lanyard switch plate from emergency stop switch.
Remove 4 screws 2 on each side of water pump housing , washers, and isolators. Install oil pressure gauge in place of pressure switch hole. Even with diligent routine maintenance, outboard motors may require periodic repairs. To perform fuel mixture check O2 feedback operation, use personal computer and Diagnostic System software. Attach engine tachometer to ignition coil high tension cord. Move and hold throttle lever in full-open position. Scheduled outboard motor maintenance should occur frequently.
Remove bolts and air duct 3. Replace forward gear needle bearing if it is rusted or does not roll freely. While cranking engine with starter motor, note maximum compression pressure reading on gauge for each cylinder. When repairing an outboard motor, most home mechanics will find them easy to work with and repairs quick and trouble-free. It compensates for the initial wear that occurs during the life of the engine. Two tappets can be adjusted at the same time 5.
Remove drive shaft, pinion gear, pinion bearing and forward gear. Compression gauge Compression gauge hose Compression gauge hose attachment 5. If it is extremely worn or burnt, replace spark plug. The shim discs are easy to remove and refit. Replace pinion gear if it is chipped or worn.
Remove engine oil drain plug and gasket to drain engine oil. The subsequent pages give detailed procedures. After removing shim, measure thickness of original shim and determine correct thickness of shim for proper tappet clearance as calculated by following formula. Use a punch and hammer to remove bearing. Remove fifteen 15 bolts securing cylinder head cover 5 to cylinder head and remove cylinder head cover. Remove tappet holder 1 and tighten camshaft housing bolts to specified torque.
Connect negative — terminal second. After the engine has been flushed and the fuel lines and carburetor have been depleted, open the engine cowling and check for any leaks or other obvious problems. Remove bearing from gear using Universal Puller Plate 91-37241 and mandrel. Connect positive + terminal first. Disconnect the safety lanyard from the emergency stop switch prior to cranking the engine. Gear oil amounts : 1050 ml 35.
Exact Models Covered Covers All 1996-1997 Models World Wide : F8B F8-B , F9. If the bearing needs to be replaced remove it using Slide Hammer 91-34569A1. In this engine, the tappet clearance is increased or decreased by replacing the shim disc, made of a special wear resistant material, fitted to the top of the tappet. Replace cam follower if worn or pitted. In the event that you need to repair your outboard motor, it will likely be easier if you have been doing your own routine maintenance as you will be more familiar with the mechanics of your motor. Also, be sure to replace spark plug if it has a broken insulator, damaged thread, etc.
If bearing surface is damaged, replace drive shaft and corresponding bearing. Replace propeller if splines are worn, damaged or twisted. Another asset that makes outboard motor repair easier, is access to quality service manuals and parts catalogues. If reverse gear radial bearing is rusted or does not roll freely, replace bearing. Insert it fully into dipstick hole, then remove it to check oil level.