Crank vent?
Here are some pics of the 77/78 foofoo valve. First shows it installed but without the tube attached yet [not on my bike]; second shows the parts. The small part is the actual valve that fits inside the unit.
I installed one of these on my 1980 to get additional case venting. It was a tedious install as the '80 has a 1/8 NPT fitting down there and as you can see in the pic the foofoo is much larger than that - i started with a 1/8 NPT 45` fitting [to get around my forward controls] and worked from there.
I did notice that the engine sounded and felt like it was running much more freely, and acceleration seemed more quick, with the extra vent.
I installed one of these on my 1980 to get additional case venting. It was a tedious install as the '80 has a 1/8 NPT fitting down there and as you can see in the pic the foofoo is much larger than that - i started with a 1/8 NPT 45` fitting [to get around my forward controls] and worked from there.
I did notice that the engine sounded and felt like it was running much more freely, and acceleration seemed more quick, with the extra vent.
Road Warrior
Joined: Sep 2006
Posts: 1,605
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From: nj
I have a 84 early with a gen. and mine is just vented to the air towards the back and towards the back sprocket and down towards the ground . Should I put a breather on it or just leave it alone. thanks
You should not put a breather on that line as it has the one internally. You might consider running the hose into the air cleaner - wait for other opinions on this tho.
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