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Old 10-03-2014, 09:04 AM   #1
Iranian OP
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oil check

Hi,

It sound's little bit silly to ask about oil check but in my honda book it is written the oil should be checket after that the engine been running for 2-3 minits. Why? I always been thinking that the oil should be checked when it is cold.

My bike has been at standstill for two week's and this morning I checked the oil before I drove a way. When the engine was stone cold, the oil was between max and min, closer to min.

When I came home after visiting Intermot I shot off my eninge and let it rest a couple of minits and now it should between max and min but closer to max?

Could some one explain it for me? I have no mechanical knowledges?


Regards,

Iranian
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Old 10-03-2014, 09:31 AM   #2
LowOnFuel
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Oil expands as it gets hot.
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Old 10-03-2014, 09:49 AM   #3
inline4
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Cool2 dry or wet sump ?

Makes a diff.
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Old 10-03-2014, 09:50 AM   #4
LuciferMutt
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What bike is it?

If it's a dry sump engine (Most (all?) Harleys), the oil lives in a tank, not the crankcase.

If the bike has been sitting for some time and is cold, some of the oil in the tank can drain down into the crankcase and the reading you get in the tank will be falsely low.

If the bike has just been run, all (save for what's in the lines and passageways) the oil is back in the tank again.

On a wet sump bike, yes, hot oil expands.
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Old 10-03-2014, 09:59 AM   #5
Iranian OP
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I have a cbf 500 from 2007. So my reading when it was stone cold was false and the one I read after riding it today is correct?
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Old 10-03-2014, 10:23 AM   #6
Bar None
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Quote:
Originally Posted by Iranian View Post
I have a cbf 500 from 2007. So my reading when it was stone cold was false and the one I read after riding it today is correct?
Should not be that much different hot or cold on a wet sump bike.
Engine oil w/o filter:
2,9 L SAE 10W-40
Engine oil with filter:
3,1 L MIN. API SE
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Old 10-03-2014, 10:24 AM   #7
Super Sneaky Steve
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But what's better? Regular or Synthetic?















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Old 10-03-2014, 11:10 AM   #8
Iranian OP
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Honda have always poured castrol gp1, partly syntethic into my bike. Between max and min is about 2 dl.
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