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Fuel spitting out of velocity stack
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So I have a 2005 VLX 600 with the Magnus upsweeps, TJs velocity stack, and TJ's performance kit with the long handle air fuel mix screw. I am running a 48 pilot, 148 main, and 2 shims on the needle. I am currently experiencing a weird problem where when I am on the throttle I feel fuel spitting out of the velocity stack and hitting my leg. It's not a lot and I can only feel it when riding in shorts (stupid to ride in shorts I know, but it's Florida, it's hot, and I only ride a mile down the road to work in shorts).
I have tried trimming the fuel by tightening the air mix screw but it doesn't change anything. It is probably a little rich as the plugs are pretty black (though the spark section of the plug is a good color), and the mpg is terrible, but it starts and runs great.
Should I try removing one shim from the needle, or backing down the main jet to a 145? Or could it be the float?
The bike was a barn find with 400 miles on it, but all the components in the carb seemed fine when I was taking it apart to tune it. This is the 3rd VLX 600 I've bobbed with the same parts, but the first time I've experienced this.
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TJ Admin Staff memberModeratorMember who has the rights to delete posts, and ban members form forum if they violate the rules.
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