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406 banshee falling flat on top end run

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Old Oct 22, 2007 | 12:34 AM
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Trailblazer
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Default 406 banshee falling flat on top end run

hi i have abanshee 406 vitto cool head boost bottel stock bore and 2 carbs tommey pipe all around
my problem is today i rode for 7 or 8 hours no problem at all but rite at the end of the day coming out of woods and hit the pavement i opend it up wide open 6th gear for about a minute it did fine but then before even hitting max speed it just died completly out like out of gas
i kick and kick it sputts or backfires like a fouled plug so i changed plugs still no good but i caught it in gear it did run to get me home but wont idel at all now the idel screws have littil or no effect when i trune them
this has happend one other time when i ran it wide open for a minute but i thought it was dirt in my tank i blew in it and it fired rite up but this time it didnt work
like i said all day long climbing hills wide open running laps wde open no problem but soon as i hit the pavent in 6th it dies after a minute into the band
could this be reed vavles maybe any help here i ahte having it sit here and do this to me lol... thanks
 
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