Precise four-channel vacuum indicator designed specifically for intake synchronization of engines with multiple carburetors or throttle bodies Mercury-free design For use with any two-, three- or four-cylinder 4-stroke engines Spill-proof design means the tool can be stored in a horizontal or vertical position Easy-to-read scale for precise synchronization Unaffected by barometric pressure changes Includes hang hook to clip onto the handlebars for easy use Rugged, impact-resistant ABS enclosure with convenient storage area for adapters, etc. Rubber feet on enclosure bottom help prevent sliding Includes manometer fluid, hoses, 5mm adapters, in-line restrictors and instructions 5mm adapters are used on many Honda and Suzuki models Optional 6mm adapters are available for use on most Yamaha models Most Kawasaki models do not need adapters Patent pending
Video presentation for replacement hose set
