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Breather box

So I've been thinking about installing a breather box in my Spyder. It is currently vented only from the oil filler neck to the left carb. This isn't enough for a 2276. I get oil in that carb all the time.

The idea I had was to get a piece of 2.5 " aluminum pipe about 30" long and cap off the ends. Then welding on some mounting tabs, drilling 5 holes and welding 5 barb ends onto it. This tube would be mounted to the frame tube and it'd be out of the way, allowing me to do regular maintenance. The barb end for the oil filler neck would come out the bottom of the tube to act like a drain. All the others would come out the side. Of course the barbs would have rubber hoses going to there designated places. I was thinking about .5" hose.

A few questions to those in the know:

-Would the 2.5" x 30" pipe be enough volume? Something should be better than what's there now.

-Is a vent coming from the fuel pump cover plate necessary or even effective?

-Should I have all, but the vent going to the carb, come out the bottom of the tube?

-Should I just forget about venting to the carb and just install a small air filter in that position?

Thanks in advance.

breather

BTW, the tube in the picture is a roll of paper.

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Last edited by Carlos G
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