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2001 raptor 660 cutting out at low rpm

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So I have a 2001 raptor 660

Mods

686 big bore kit

Cp 12:1 compression piston

Stage 2 hot cam

Dual k&n filters with no air box

Between a 180-190 main jet not sure about the pilot jet.

Metro Atlanta ga for elevation.

The problem is when you take off in first it'll go then cut out as if the gas is off then take off again and keep doing that until you go mid to full throttle. Mid to full throttle it runs fine no problems at all. Very strong on full throttle. But if you try to just cruise and idle in like 1st or second it runs like the gas is off and it's about to run out of fuel.

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Pull the carbs and clean them both..one carb could cause that issue.find out what the air/fuel screws are at and the pilot jets..did the issue just start?

Also check float height on both

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