4
③After running-in operation, run the engine at idle speed and use the washing tool to
flush the cooling water channel with fresh water.
9. After running-in operation, check the idle speed of the engine.
①Preheat the engine for 5 minutes.
②Measure the idle speed using tachometer.
If the specified value is not met, adjust it. Idle speed value: 900~1000rpm.
③After idle adjustment, accelerate the speed several times to check the engine stability.
Note:
Idle adjustment needs to be done by qualified maintenance personnel with
professional equipment; Adjusting at will may cause startup difficulty, weakness, jitter and
other faults of the engine.
Special tools and testing equipment
Various special tools and testing equipment will be used when repairing and maintaining
the outboard motor. Using these tools and equipment expertly and correctly can improve your work
efficiency and effectively avoid injuries to personnel and the outboard motor.
Special tools:
Clearance gauge Piston slideway Flywheel gripper and flywheel puller
Oil filter spanner Bearing puller Valve spring compressor kit
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