If the unit is full and continues to fall down slowly you probably have a damaged o ring on the manual valve.
See full version: How do I bleed air from Yamaha 150 trim/tilt
If the unit is full and continues to fall down slowly you probably have a damaged o ring on the manual valve.
Is there a way to bleed these things?
4. Cycle the tilt & trim up & down 4 or 5 times
5. With the tilt fully up re-check and top up as required. [links]
1. Tighten the manual valve fully clockwise.
2. Power the power tilt & trim fully up.
3. Remove reservoir filler cap & check level. Add fluid until it overflows. Replace cap.
My trim/tilt sounds like it is passing air, goes up some and comes back down slowly after letting off the switch.
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There is no reason to remove or disable the oil injection system. Fix the alarm. If you know which end of a screwdriver to hold you should be able to remove and replace the tank. more
Secondary question - how easy is it (for an amateur) to replace the oil tank - which Dr Google says is how you replace the oil sensor?
Was about 20 mins out on the river when the engine alarm started a continuous tone - no bipping, just straight to full scream.
Sounds like a good time to pull that junk and run premix.
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