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1981 Honda CB400TB Hawk Carburetor Tools

For synchronization work on the 1981 Hawk, this universal kit provides two gauges so both carburetor readings can be compared. Check the vacuum-test connections and adapter reach before ordering, and use the Honda procedure for preparation and adjustment rather than guessing from gauge movement.

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Universal motorcycle carburetor synchronizer vacuum gauge 2 carb synchronizer

Universal Motorcycle Carburetor Synchronizer Vacuum Gauge ~ 2 Carb Synchronizer

$54.95 USD
37-0003
Carburetor and throttle body synchronizer kit for bikes with 2 Carbs. Makes synching your carburetor setup fast and easy! For use with Honda, Kawasaki,...
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1981 Honda CB400TB Hawk · Carburetor Tools Buying guide

Check the test connections before the kit

The kit contains two gauges, hoses, a mountable bracket, dampening valves and threaded extensions. Its two-carb layout suits the type of comparison required, while the connections still need checking on the actual motorcycle.

Parts to consider

Universal Motorcycle Carburetor Synchronizer Vacuum Gauge ~ 2 Carb Synchronizer Two-carb vacuum gauge kitTwo gauges, bracket, hoses, dampening valves, instructions and 5 mm-thread extensions in 180 mm and 65 mm lengths.View part

Review the complete tool package

Two gauges, a mountable bracket, necessary hoses, dampening valves and instructions are included. The extensions have 5 mm threads and are supplied in 180 mm and 65 mm lengths. Check thread and access at the actual test points rather than assuming a universal description confirms every adapter detail.

Use the correct Hawk procedure

Honda’s 1981 addendum describes comparing vacuum readings and fitting gauge adapters in the cylinder head. Follow that procedure together with the tool instructions. Synchronization is an adjustment operation; a gauge kit does not replace diagnosis of leaks, worn components or an engine that is otherwise out of tune.

Buying questions

Are hoses and dampening valves included?

Yes. The kit includes hoses and dampening valves as well as two gauges, a bracket, extensions and instructions. Check the full package against the test arrangement before beginning work.

Does the 5 mm description guarantee adapter fit?

No. It identifies the supplied thread size but does not establish every detail of a changed test connection. Compare the actual threads and available access before purchasing or fitting an adapter.

When should I synchronize after other carburetor work?

Complete the required service checks and repairs first, then follow Honda’s synchronization procedure. An intake leak or damaged component can undermine the comparison, so resolve those faults before adjusting the balance.

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Send your model and year, plus photos of your existing part and any changes to the original setup.

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