low end booggggggg help

[antd913]

whats up guys , well here is my symptoms 2001 banshee starts firts kick idles nice . has slight bogg 0-1/8 throttle cold . when she warms up the bogg becomes much worse .  1/8-wot she hits hard no issues . plugs are comming out black and appaer to be rich which is what i think is my issue . i just would like to get your guys opionion before i lean her out .so paranoid of leaning out and blowing it up . Any help you guys can give it would be much appreciated .  I  will list my modes bellow .

 

2001 banshee

ride at sea level

t5 pipes

keihin 28mm pwk carbs

​boss billet  intake

noss coolhead 22cc domes

no airbox k&n  individual filters

tores removed

stock bore and pistons ( comp is 130 each )

carbon fiber reeds (stock cages )

premix 24-1 castor 927 premix / 97 oct pump gas

 

carb settings

150 main

48 pilot

needle 2nd clip

air screw 1 1/2 turns out

 

 

 

[Surfrjag]

It shouldnt be rich with those setting but we dont know what needle you have. Take some time and go over your electrical and check those reeds out. They directly effect response at initial theottle opening

[antd913]

Reeds are good . they are seated good no cracks . electrical is solid . got good blue spark . I checked harness out all good . it's the black spark plugs that is killing me . They look rich . and the bogg getting worse when it warms up seems everything symptomatic of a rich running pilot circuit .

 

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[Surfrjag]

New plugs didnt help?

Old fuel?

Try turning your air screws out to 2.5 and see if it helps?

[antd913]

Yes New plugs do help but quickly get black , fuel is fresh . I will try the airscrew ajustment . if it improves do you think drop a pilot jet size and bring airscrew back to 1 1/2 turns out.

 

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[Surfrjag]

Exactly

[antd913]

I will try it out this afternoon . I will post the results . hopefully get it dialed in before I go on a 4 day ride in upstate ny for memorial day .

 

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[banshee#527]

Where do you ride in NY? I've been out of the scene for awhile and looking for some riding spots.

[registered user]

yep I would try the airscrew 2.5-3.5 out. if bog decreases youll want to try bigger pilots. might need to try smaller diam needle as well

[Surfrjag]

He ment smaller pilots ^

and leaner needle

Find out what needle you have.

Also clean your air filters if its been a while.

[registered user]

no I didn't meen smaller pilot and needle. a bog from my experience is one or more of the circuits to lean. my mistake on the airscrews, meant he should turn them in and see if the bog changes for the better

[antd913]

Banshee#527 ..I live on long island . No good spots to ride here anymore . unless you want to spend your day running from cops . most of the local pay to ride tracks suck and don't like people with banshee believe it or not . I ride mostly in upstate ny I have 70 acres to ride on .

 

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[banshee#527]

Where upstate? I live in Putnam County just north of Westchester. My family has 47 acres upstate in Chenango county, Sherburne I believe, but they are looking to sell.

[antd913]

ok so,  I just put 45 pilot jet in and idle screw  at 1 1/2 , and moved needle clip to the 3rd position . took It out for a quick ride and seemed to be more responsive low end , pulled the plugs and they are much lighter in color ( white with a little brownish color ) . I thnk I'm close with some minor airscrew adjustments needed ,I will have a better idea  when I get a chance to ride it for more time hopefully its just aircrew adjustments from here on out .

[antd913]

my property is in town of Decatur in Schoharie county . 4hrs north of nyc .