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Fuel and Intake

Carburetors, Jet Kits, Air Filters, Fuel Filters, EFI Control Modules

Basic Carburetors Tech Talk:


Direct replacement for the stock spring and exactly like the old Merge Racing spring. Gives a much more consistent accelerator pump squirt. Eliminates the need for the 'O-ring mod', wire or zip-ties on the pump arm. Fits all Keihin FCR-MX carbs except '07-'08 CRF250/450.

 Not for the stock DR650 carburetor Fits FCR-MX conversion Only