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running lean bandaid? (Read 89 times)
Greg
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running lean bandaid?
06/06/12 at 16:11:14
 
I know I need to re-jet. I ordered them from Lancer. Until they get here and I get them installed can I ride with half choke? Do I even need to worry about it? Will running lean hurt my scooter or is it just a performance thing? I de-snorkeled my air box and added a Thrush glasspack muffler.
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arteacher
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Re: running lean bandaid?
Reply #1 - 06/06/12 at 16:19:31
 
"De-schnorkled"?
You removed the air box?
Easiest would be to put the stock air filter back in 'till you re-jet.
Running lean is hard on the exhaust valves.
And the choke only enriches it in the low to midrange throttle, running on the freeway is probably not a good idea.
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Greg
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Re: running lean bandaid?
Reply #2 - 06/06/12 at 16:26:50
 
I removed the rubber thing on top of the air box. I still use a stock filter if that matters.
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arteacher
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Re: running lean bandaid?
Reply #3 - 06/06/12 at 16:42:43
 
The restriction is the filter. I don't like cone filters because they don't have as much surface area (most of them) as the stock. I replaced the stock filter with a K&N, in the stock air box. That snorkel moves the air lower in the box, so the entire surface of the filter is used, not just the top.
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white '07, Raask exh, Corbin seat, slipstreamer shie, Raptor, Routy's fwd controls, Baron tach, Frisco bars, Isogrips, Headlight and taillight modulators, Dial-a- jet, AME 9 deg chop kit, K&N air flt
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Greg
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Re: running lean bandaid?
Reply #4 - 06/06/12 at 16:56:37
 
So does removing the rubber snorkel make it run leaner or richer?
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arteacher
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Re: running lean bandaid?
Reply #5 - 06/06/12 at 17:13:20
 
Greg wrote on 06/06/12 at 16:56:37:
So does removing the rubber snorkel make it run leaner or richer?

Nope. When you open up the breathing in a motor you have to open up both sides. Your glass pak muffler opens up the exhaust, but you haven't opened up the intake. A K&N or cone filter will do that. You probably haven't changed the mixture that much- just made it louder.
Did you have to adjust the idle mixture screw to get it to run better after the muffler change?
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white '07, Raask exh, Corbin seat, slipstreamer shie, Raptor, Routy's fwd controls, Baron tach, Frisco bars, Isogrips, Headlight and taillight modulators, Dial-a- jet, AME 9 deg chop kit, K&N air flt
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Greg
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Molon Labe

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Re: running lean bandaid?
Reply #6 - 06/06/12 at 17:48:46
 
I am out about 3 turns out. At very light throttle, it is fine. Like to maintain a 30mph speed in 3rd gear. Twist just a little and it stammers. When I hammer it, it seems to go fine.
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Kyle
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Re: running lean bandaid?
Reply #7 - 06/06/12 at 19:40:49
 
arteacher wrote on 06/06/12 at 16:42:43:
The restriction is the filter. I don't like cone filters because they don't have as much surface area (most of them) as the stock. I replaced the stock filter with a K&N, in the stock air box.


@arteacher - Did you have to rejet after switching to the K&N?
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arteacher
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Re: running lean bandaid?
Reply #8 - 06/07/12 at 03:27:39
 
Kyle wrote on 06/06/12 at 19:40:49:
arteacher wrote on 06/06/12 at 16:42:43:
The restriction is the filter. I don't like cone filters because they don't have as much surface area (most of them) as the stock. I replaced the stock filter with a K&N, in the stock air box.


@arteacher - Did you have to rejet after switching to the K&N?

No, because I hadn't opened up the exhaust then.
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white '07, Raask exh, Corbin seat, slipstreamer shie, Raptor, Routy's fwd controls, Baron tach, Frisco bars, Isogrips, Headlight and taillight modulators, Dial-a- jet, AME 9 deg chop kit, K&N air flt
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