oil viewing glass misted up on the inside

[mic]

hi

my viewing glass was always clear but recently has misted up on the inside. i cant even open the screw thing (dipsticky bit) its been put on so tight. bike still runs fine, is always garaged and kept under a shelter dry when at work.

is it bad?

1999 zzr600

cheers
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zzr600

[YBR Ric]

Depends on what's causing the misting.

Might simply be the lower operating temperatures at this time of year which means the engine needs a longer run time or journey to burn off water condensate.

[CaNsA]

Prolly just condensation.

As for the filler cap being stuck, get some pliers and a cloth on that bastard.

[mic]

yea i was gonna plier it but as its still got loadsa oil in i wasnt gonna bother till it needs some. i did wonder if it was tight due to pressure (linking to misting) but if its not bad ill leave it for now
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zzr600

[ZRX61]

Kaw's have a habit with the oil filler cap mysteriously tightening up since you last had the cap off. They've done it for decades.
As for the condensation, go for a ride that will get the engine up to decent temp & when you stop, pop that cap off for a while.
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They're not one night stands, they're auditions.

[SteveZZR]

It's fine, my ZZR does this, as did the last one, as did the original motor in my current one.

Go for a good long blast and it'll evaporate.

They all do it this time of year, it'll go out the crank breather when you warm the motor properly