BOTTOM END BOG ? ? - Yamaha ATV Forum
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post #1 of 3 Old 07-30-2018, 11:01 PM Thread Starter
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Ive recently picked up a pair of banshee .in know thier built in big way just not sure exactly how but they both have a problem.. the green one is gutless and bogs untill it hits its powerband then its insane , im not as young as i use to be and to ride that way it is very physically demanding and beats the hell out of you..the black one sounds great sitting still but soon as i want to move and put a load on it it bogs right out..they both start , sound and idle fantastic. To rev them in neutral one would think they were running perfectly. .ive no way in asking previousy owners as i purchased at a police auction and they've apparently been sitting in evidence for a while..Does anyone have a good idea what my probems may be and how i might fix them.
appreciate it....
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post #2 of 3 Old 07-31-2018, 01:08 AM
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i would start with a compression check and the fine tune the jetting, my guess is too big on the pilots but its just a guess with the limited info
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post #3 of 3 Old 08-08-2018, 11:49 AM
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I'd start by cleaning the carbs and putting new spark plugs in both of them.

Depending on where you bought them, any elevation difference in where you are riding them can cause problems. SOunds like they both need jetted if the carbs are clean.

01' Raptor 720, Stage 2, FCR'd
97' 250 Vitos Blaster
06' Rhino 450
94' Banshee T-5's, Vforce, ported, Cool Head, 2-1
06' Wolverine 450 - Stock!
06' LTZ 440
94' Vmax4 750, 96' 600 MountainMax, 07' Nytro(b00sTed)
06' Vmax 1200
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bad banshees bogging

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