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My Honda activa scooter's manual say to add 800 ml of engine oil when the strainer screen is cleaned.I have drained all the oil and cleaned the strainer screen. I bought 800 ml pack of manufacture's recommended oil but when I poured new oil and checked the dipstick it showed the oil level at upper level even before I poured entire content from the oil bottle.I mean still there is around 100 ml of oil left in the bottle and the dipstick already shows upper level mark.Should I still continue to add the left over oil from the bottle or follow the dipstick ?

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Run the engine, stop it, wait a few minutes and check again - there may be internal reservoirs that need filling : voids, pipes etc

  • I already did it.I have ridden about 100 kms after that but it is still the same – DhKo Jun 15 '17 at 7:42
  • Are you certain you drained ALL the oil, or just MOST of it - did you actually measure how much came out... If the level is correct at the moment, then it should be fine. – Solar Mike Jun 15 '17 at 7:45
  • yes i am sure that I drained out all the oil from the engine.I kept the drain bolt open for around 2 hours unplugged and even tilted my scooter to pour all the bad oil out.As you suggested i have even measured the drained out oil from the sump.It is around 700 ml(the expected quantity from the user manual) – DhKo Jun 15 '17 at 9:47
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    If you took out 700ml then why do you expect to refill with 800ml ? – Solar Mike Jun 15 '17 at 9:54
  • Thats' what the manual say and I think that makes a sense also since after 4000 kms of drain interval around 100 ml of oil might get consumed in form of leakages or miscellaneous reasons don't you think the same? – DhKo Jun 15 '17 at 11:31
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As @SolarMike says in his comment - you probably didn't get all of the old oil out when you drained it, so there was probably some already in there before you started adding it from the bottle.

Keep the last 100ml for topping up later - as long as the level in the engine is between the marks you'll be fine.

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