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Valkyrie Riders Cruiser Club > General > 1500 Tech Board > run bike with out air box?
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Author Topic: run bike with out air box?  (Read 1100 times)
flsix
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Posts: 1945


South Carolina
« on: February 06, 2013, 01:54:21 PM »
I'm ready to run the fat girl after doing some carb work and desmogging her.  :cooldude:Have you ever run a Valk without the air box and tank mounted?
Seems it might run lean without any air restriction. Wouldn't run it long just see if all is well before finishing the project up.
Thanks for any help.
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2013 F6B    

           ESCHEW OBFUSCATION
98valk
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Posts: 13531


South Jersey
« Reply #1 on: February 06, 2013, 02:28:29 PM »
just idling is fine. yes I have done it.
« Last Edit: February 06, 2013, 03:58:59 PM by CA » Logged
1998 Std/Tourer, 2007 DR200SE, 1981 CB900C  10speed
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hubcapsc
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Posts: 16788


upstate

South Carolina
« Reply #2 on: February 06, 2013, 02:32:13 PM »

I started my old Datsun pickup truck after rebuilding the carb, but before
putting the air-filter canister and stuff back on. It barely ran, I figured I'd
really screwed it up. It was good-to-go for another 100,000 miles after I
put the air filter canister back on, though...

Don't know about Valkyries...

-Mike
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AZdougness
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Posts: 46
« Reply #3 on: February 06, 2013, 02:42:09 PM »
Search the forum about air box modifications... With the exception of a very few cases it improved, almost everybody else ended up having to purchase an OEM airbox again. There are better options for getting a few extra ponies than messing with the airbox. My 2 cents anyway.
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Valkpilot
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Posts: 2151


What does the data say?

Corinth, Texas
« Reply #4 on: February 06, 2013, 02:46:07 PM »
Quote from: AZdougness on February 06, 2013, 02:42:09 PM
Search the forum about air box modifications... With the exception of a very few cases it improved, almost everybody else ended up having to purchase an OEM airbox again. There are better options for getting a few extra ponies than messing with the airbox. My 2 cents anyway.

I don't think he intends to run it permanently this way.  It sounds like he just wants to be sure it runs before going to the trouble of mounting the airbox and tank.
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flsix
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Posts: 1945


South Carolina
« Reply #5 on: February 06, 2013, 06:01:06 PM »
CA, thanks for your advice.
Valkpilot, that's right , I do not want to run it for more than a minute or two and it's only to see if all the work that was done is right. I'd rather find a problem now than after the air box and tank are back on the bike.
Thanks for the feedback.
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2013 F6B    

           ESCHEW OBFUSCATION
mmurffy03
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Posts: 791


03 standard

toms river new jersey
« Reply #6 on: February 06, 2013, 06:41:20 PM »
after my slow jet change out and my desmog i fired my bike up and let it idle with no airbox at all but it would only rev to about 2 grand
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fordmano
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Posts: 1457


San Jose, CA. 1999 I/S 232 miles when bought 11/05

San Jose, CA.
« Reply #7 on: February 06, 2013, 08:20:42 PM »
It will be fine just running it to finish up your tuning/adjustments (wont be very accurate) and or verifying she still fires up.

Sounds funny as all hell with the sliders slapping up and down, but it looks kinda neat seeing them slap up and down.

For proof that I really ran it without the airbox,,,, LOL!
powered by Aeva
« Last Edit: February 07, 2013, 11:28:52 PM by fordmano » Logged


What Exactly is Normal? crazy2 crazy2

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Oklahoma_Valk
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Posts: 375


Central OK
« Reply #8 on: February 07, 2013, 10:12:03 PM »
Doesn't hurt a thing. Will run but won't run right. You can at least confirm that u r firing on all cylinders.
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Let those who ride decide.
flsix
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Posts: 1945


South Carolina
« Reply #9 on: February 08, 2013, 04:21:12 AM »
Yep.....runs fine and have everything but the tank back on the bike.
Thank you to everyone for their advice.
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2013 F6B    

           ESCHEW OBFUSCATION
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