Originally Posted by Stephan Tanchak
My red top is in the box, but with no vent tube. They are a sealed cell battery so they don't need to be vented.

I'll pick up a battery post some time later this year to clean it up.


Here's a picture I was looking for to explain why venting is necessary.

[Linked Image]

One of the 4 optima red top batteries I've owned, that failed, was hissing from that relief port.

I wouldn't like that to happen inside the trunk, which is basically the cabin.

Just my opinion though.

'99 GSX GT35R
'03 CBR 600RR