Oil Levels on dirt bike

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11/6/2020 10:42 AM

Hey everyone, just trying to get some opinions on best oil level preferences. Do you guys like oil a little lower or higher within the suggested marks. Obviously not too low or over filled.

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11/6/2020 10:45 AM

Pretty much right on the mark.

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11/6/2020 10:46 AM

measure and fill your oil per your manual. your wallet will thank you.

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11/6/2020 10:56 AM

Somewhere between not enough and too much. On the hash marks of the dip stick or middle of the window

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11/6/2020 10:58 AM

If the manual says 850ml i usually put 860-870
Also, if you want to help your engine buy a bigger clutch case.
It can help a lot.

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rarararaataatatatata

11/6/2020 11:06 AM

I've found that from manufacturer to manufacturer the oil fill process to be slightly different. I've always had differing results based on the level right after fill, the level after idling for a few minutes immediately a fill and then also the level after a 20 minute moto and settling on the stand for 5 minutes. I usually take the level after running the bike for a few minutes and through the gears, and then check the level after sitting on the stand for 5+ minutes when the oil is hot.

Note: some older bikes with an external oil tank can take a bit for the oil to be pumped fully into the tank and that can also affect the level.

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Kawasaki, The Bike That Builds Champions

11/6/2020 11:11 AM

fatpurplepanda wrote:

measure and fill your oil per your manual. your wallet will thank you.

this.

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11/6/2020 11:43 AM

Lower the better! There’s less oil in the crankcase means less drag on the motor!

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I'll keep my guns, freedom and money, and you can keep the "change"

11/6/2020 12:07 PM
Edited Date/Time: 11/6/2020 12:08 PM

sight glasses aren't meant to be an accurate way to measure oil fill levels. Kawis are notorious for having the sight glass look low or over full depending on what position the motor is in. I've seen people royally screw up the mount of oil in their engines trying to chase the proper fill line. Some bikes are better than others when it comes to the sight glass. Its really just a way to make sure there is oil in the bike.

Always measure. Plus it makes the oil change go much faster.

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11/6/2020 12:08 PM

I like to have exactly how much it says to have lol, but I’d rather have just a pinch to much than not enough. I’ve had to much oil in mine before it’s not pretty, it basically throws up

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11/6/2020 12:21 PM

HondaFan33 wrote:

Lower the better! There’s less oil in the crankcase means less drag on the motor!

That’s also extra weight to be carried around.

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11/6/2020 12:31 PM

MZ193 wrote:

If the manual says 850ml i usually put 860-870
Also, if you want to help your engine buy a bigger clutch case.
It can help a ...more

what lol

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11/6/2020 12:47 PM

About 350

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11/10/2020 9:19 AM

fatpurplepanda wrote:

measure and fill your oil per your manual. your wallet will thank you.

fourfourone wrote:

this.

Another vote, get a simple pyrex or glass measuring cup. number never change. I have three bikes and none take the exact some spec for a reason I would assume.

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11/10/2020 11:05 AM

HondaFan33 wrote:

Lower the better! There’s less oil in the crankcase means less drag on the motor!

These ain't V8's the oil isn't held in a sump directly below the crank...

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Tomac and/or Anderson for 2020.....

11/10/2020 11:48 AM

I measure out an oz or 2 higher as well. I feel slightly higher will always be better than lower.

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11/10/2020 12:56 PM

fatpurplepanda wrote:

measure and fill your oil per your manual. your wallet will thank you.

Not always the case. Some bikes like to run less oil if the crankcase has a lot of pressure and it doesn't vent as well as it should.

Completely different animal but in my past life I was a master Harley tech (go ahead and insert Harley joke) and one of the first things we'd have a tech do when doing a PDI is remove some oil and go a few squares down on the dipstick. Before we did that we would have brand new bikes coming back with oil soak air cleaners.

I'm not suggesting running dangerously low but if you see oil trying to escape places it shouldn't try a few ounces less. You should be changing it often enough that it will never effect the life of any components.

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11/10/2020 4:47 PM

In general it is safest to measure the exact spec from the manual to put back in the bike as recommended above.

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11/10/2020 4:57 PM

If it’s leaking oil, then it’s got oil!!! tongue Oh and plus you’ll never have to change it grin

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11/10/2020 7:24 PM

I'm glad I read this. I never thought oil levels needed to be that precise. On my KTMs I just fill it til it starts leaking out the oil level hole.

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