Question about 1999 Suzuki VZ 800 Marauder

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Just had carbs rebuilt and jeted 110 in front 120 in back,has good idle but fall flat on face unber a load

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Stock jetting mains F/carb#90 R/carb#100
When you changed to larger jets your fuel to air ratio changed causing a richer mixture of fuel and out of balance fuel to air ratio=loss of power and performance.
you should have started if you where going experiment with jetting in increments like 95 for the front 105 for the rear, or just left the factory settings alone and maybe depending on what you want to
achieve a little more mid range performance shimmed up the needles.

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