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TOPIC: gas tank vent
#203313
chromepony (User)
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gas tank vent 2 Years, 11 Months ago  
I'm in the process of "going pumpless".I've changed the needle oriface in the carburetor & eliminated the rollover valve in the tank vent line. I noticed that the opening in the tank vent itself is very small. Any need to enlarge this opening, or will it allow for proper tank venting as is? Thanks.
 
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#203315
Musky (User)
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Re:gas tank vent 2 Years, 11 Months ago  
Ride the bike first and see how it goes. You might not need to do anything. The tank vent isn't as easy to open up as it looks. It isn't a straight tube. It's an elbow. Most people vent the gas cap if they need more air.
 
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#203317
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Re:gas tank vent 2 Years, 11 Months ago  
I would highly recommend what Musky suggested... unless you wanna do what I did with a new tank and drill into the sidewall ...
 
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#203327
Roadkill1962 (User)
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Re:gas tank vent 2 Years, 11 Months ago  
Vent the gas cap...complete instructions are in the Tech Section, and it's not even a 15 minute job.

RK
 
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#203390
chromepony (User)
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Re:gas tank vent 2 Years, 11 Months ago  
Thanks for the info. I'll put it back in the street & see how it goes. Film @ 11.
 
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#203415
DocShadow (Admin)
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Re:gas tank vent 2 Years, 11 Months ago  
chromepony wrote:
I noticed that the opening in the tank vent itself is very small. Any need to enlarge this opening, or will it allow for proper tank venting as is? Thanks.

The vent does not usually plug up and it's big enough to let air in to replace the gas used. If you want you can enlarge that hole ... not a big deal job if you're careful.

Doc
 
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#203784
06MidnightStar (User)
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Re:gas tank vent 2 Years, 11 Months ago  
My 2 cents:

Vent the gas cap AND lose the fuel vent line.

Replace the fuel vent line with a foam filter pad from a small, disposable painbrush. The handle from the foam brush can be easily removed. Slide the foam pad over the nub on the tank and secure with a small cable tie.
 
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Last Edit: 2009/06/15 12:36 By 06MidnightStar.
 
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2006 Midnight Silverado, MaxFlo Air Kit, Roadhouse Classics 2-1 Pipes:
OEM manifold, 190 Main, 37.5 Pilot, Needle (3rd groove, OEM white spacer), Maxmix Pro PMS (2.5 turns out), Accel Pump Duration (1 turn out, nut in front), Float Height (w/carb upside down): 16mm, 43+ MPG
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#207320
chromepony (User)
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Re:gas tank vent 2 Years, 11 Months ago  
That's an excellent idea! Thanking you very much.
 
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