• Precise four channel vacuum indicator designed specifically for intake synchronization

of engines with multiple carburetors or throttle bodies

• New Mercury free design!

• For use with any 2, 3, or 4-cylinder 4-stroke motorcycles

• 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 adaptors,

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  (V Stars do not require adapters)

• Most Kawasaki models do not need adaptors

• Patent Pending

• Made in the U.S.A.