Remove the flywheel magnet cover and oil pressure sensor. Install the upper bearing into the con- necting rod 1 and the lower bearing into the connecting rod cap 2. To make the delivery process smooth and efficient, the predelivery checks should be completed as explained below. Check the teeth and dogs of the reverse gear for cracks or wear. The direction mark should face the flywheel.
Check the ignition spark using the spark gap tester. Install the spark plugs, and then tighten them to the specified torque. Modifications could make the motor unfit or unsafe to use. Exhaust gas from each cylinder flows directly into the exhaust manifold to obtain a compact design for the exhaust system. Pour the specified amount of the recom- mended engine oil into the oil filler hole.
Water separator warning indicator Put the engine in the desired position, Stop the engine. Free file collection Here you can download file Yamaha F250 Outboard Service Repair Manual Pid Range 6p2 10028951035780 33l Mechanical Control Mfg April 2005 May 2011. Measure the Rectifier Regulator output peak voltage. Fuel system Check the electric fuel pump operation. Be sure to b Previous contact width turn the cutter evenly downward at a pres- c Specified contact width. Install new O-rings 6 onto the main 5. Hold the power trim and tilt unit in a vise using aluminum plates a on both sides.
Remove the valve shim 7 from the valve lifter 8 using compressed air. Install the thrust washer 0, forward gear A, and dog clutch B using a press. Using a hexagon wrench, turn the timing Checking the timing belt and belt tensioner 1 clockwise to push the sprockets timing belt, increase strength gradually, 1. S63P6500 Disassembling the forward gear Ring nut wrench 4 1: 90890-06512 1. È S69J1240 È Hour After test run 1.
Install the cylinder head cover bolts, and then tighten them to the specified torques in two stages. Spark plug part number pair it immediately. Intake air volume is calculated according to engine speed, Intake air pressure, and throttle position, and then the fuel injection volume is determined by the intake air volume to obtain a precise air and fuel ratio under all operating conditions. Align the groove in the impeller 5 with the Woodruff key 6, and then install the impeller onto the drive shaft. S68S6360J Drive shaft holder 6 1: 90890-06520 Pinion nut holder 2:.
Measure the gear height M2 from the thrust washer on the propeller shaft housing. Bearing outer race puller assembly 1: 90890-06523 2. Connect the battery leads B. Install the sleeve, drive shaft, and drive install them into the drive shaft housing shaft housing into the lower case, then to the specified depth. Repair or replace the defective Good condition? Checking the drive shaft 1.
Initial Every Refer to Item Remarks 10 hours 50 hours 100 hours 200 hours. Is the needle valve Replace the needle valve. There- fore the following procedures may not always apply. Install the timing belt 5 from the drive sprocket side with its part number in the S1280B upright position, turn the belt a half turn counterclockwise to align it, and then remove the pin 6. Have serviced by a Yamaha dealer. Measure the trim sensor resistance. Check the impeller 1 and insert car- tridge 2 for cracks or wear.
Shift rod push arm: 90890-06052 3. Otherwise, the outboard motor could sud- denly lower if the power trim and tilt unit should lose fluid pressure. Check the skeg and torpedo for cracks or Ball bearing attachment 3: damage. Assembling the forward gear 1. S63P5850 Cylinder block mark b Checking the oil pump 1. Always disconnect the black negative cable first to prevent the risk of shorting. Check the brush and circuit breaker for continuity.
Tighten the ring nut to the specified torque. Install the new dust seal 1 and new O- rings 2 and 3 onto the tilt cylinder end screw. Remove the flywheel magnet cover. Check the neutral switch for continuity. Is the needle valve Replace the needle valve.
Check the oil level and add oil if necessary. If the rated horsepower capacity of the boat is unknown, consult the dealer or boat man- ufacturer. Return to normal operating position. Consult your Yamaha dealer if the cause for the low oil pressure warning indicator cannot be found. Check the needle valve for bends or wear.