Mercury Free Carburetor SyncPro™ Tool

Precise four-channel vacuum indicator designed specifically for intake synchronization of engines with multiple carburetors or throttle bodies; Includes manometer fluid, hoses, 5 mm adapters, in-line restrictors and instructions; Spill-proof design means the tool can be stored in a horizontal or vertical position; For use with any two-, three- or four-cylinder 4-stroke engines; 5 mm adapters are used on many Honda and Suzuki models; Includes hang hook to clip onto the handlebars for easy use; Most Kawasaki models do not need adapters; Unaffected by barometric pressure changes; Mercury-free design