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Anatomy of the Airbox
While cleaning up the airbox Andreas sold me, I had a chance to look in at the marvels inside of it. Two out of the 4 plastic 'pipes" that come up from the bottom of it and end at the throat of each inlet to the carb are split down their seam. It looks like this is some kind of blowby scavenge for the oil breather? Could someone explain this to me, as I wonder if I need to repair these split pipes for all to be happy happy?
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Bone stock 1980 Special except for the exhaust and crashbars. Oh yeah, and the scabbard for the Winchester Defender.
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You are correct, it is just a way to scavenge crank case gases. I would not think it would really make any difference if the pipes were cracked or not on the way the bike runs. Plenty of people ditch all of that setup when they go to pods anyways.Nathan
KD9ARL
μολὼν λαβέ
1978 XS1100E
K&N Filter
#45 pilot Jet, #137.5 Main Jet
OEM Exhaust
ATK Fork Brace
LED Dash lights
Ammeter, Oil Pressure, Oil Temp, and Volt Meters
Green Monster Coils
SS Brake Lines
Vision 550 Auto Tensioner
In any moment of decision the best thing you can do is the right thing, the next best thing is the wrong thing, and the worst thing you can do is nothing.
Theodore Roosevelt -
I would agree, The setup is part of the emissions control requirements of that time period. As Nate indicated, it simply takes the crankcase vent gases and "ports" them to each cylinder. While it might not be 100% as efficient with the cracks in those pipes, I seriously doubt anyone would notice a change in performance without some gages and sensors.Life is what happens while your planning everything else!
When your work speaks for itself, don't interrupt.
81 XS1100 Special - Humpty Dumpty
80 XS1100 Special - Project Resurrection
Previously owned
93 GSX600F
80 XS1100 Special - Ruby
81 XS1100 Special
81 CB750 C
80 CB750 C
78 XS750Comment
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Well in that case then, we all concur, and I'm gonna use some gorilla tape to wrap them up. That'll be good enough, rather than disassemble, find magic glue, and try to get them fixed.
Bone stock 1980 Special except for the exhaust and crashbars. Oh yeah, and the scabbard for the Winchester Defender.Comment
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I wouldn't tape them, it might not hold over time and could mess with the air flow. If you really want to do something use some RTV to reseal them, or just leave them alone.Nathan
KD9ARL
μολὼν λαβέ
1978 XS1100E
K&N Filter
#45 pilot Jet, #137.5 Main Jet
OEM Exhaust
ATK Fork Brace
LED Dash lights
Ammeter, Oil Pressure, Oil Temp, and Volt Meters
Green Monster Coils
SS Brake Lines
Vision 550 Auto Tensioner
In any moment of decision the best thing you can do is the right thing, the next best thing is the wrong thing, and the worst thing you can do is nothing.
Theodore RooseveltComment
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Fred Hill, S'toon
XS11SG with Spirit of America sidecar
"The Flying Pumpkin"Comment
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I might be Leary of putting something in there that can get sucked into the engine if it comes loose like tape might.Life is what happens while your planning everything else!
When your work speaks for itself, don't interrupt.
81 XS1100 Special - Humpty Dumpty
80 XS1100 Special - Project Resurrection
Previously owned
93 GSX600F
80 XS1100 Special - Ruby
81 XS1100 Special
81 CB750 C
80 CB750 C
78 XS750Comment
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If ya want I have a set that are not cracked I can send you and a pic or two of an easy way to re-assemble them with no hassle.2-79 XS1100 SF
2-78 XS1100 E Best bike Ever
80 XS 1100 SG Big bore kit but not fully running yet.
Couple of more parts bikes of which 2 more will live!Comment
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Thanks Ras, but these are pretty easy to fix. I certainly appreciate the offer though! Thanks again!Bone stock 1980 Special except for the exhaust and crashbars. Oh yeah, and the scabbard for the Winchester Defender.Comment
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