Honda motorcycle parts
Choose your model and year to see parts listed for your bike.
Choose your model and year to see parts listed for your bike.
1984 Honda CB450SC Nighthawk · Tools, Hardware & Other Buying guide
The two-gauge synchronizer combines the measuring instruments with a mountable bracket, hoses and adapter extensions. Assess that complete setup against the installed carburetors, the available connection access and a usable position for reading the gauges.
List the instruments and connection pieces you already own before ordering another measuring setup. This kit names gauges, bracket, hoses, dampening valves, two extension lengths and instructions together. That helps avoid duplicate equipment purchases, while any connection outside the specified 5mm-thread arrangement still needs its own compatibility check.
The supplied extensions have different lengths, but both use 5mm threads. Check the connection location and surrounding access on the fitted carburetors before deciding whether either will work. A typical Honda thread description cannot settle the actual thread, clearance or reach on a motorcycle with changed carburetors.
Check the space around each fitted connection against the supplied 65mm and 180mm extensions. Both have 5mm threads. Verify the thread as well as reach, especially where replacement carburetors or surrounding components change the available access.
The bundle already names two gauges, a mountable bracket, hoses, dampening valves, 65mm and 180mm extensions with 5mm threads, and instructions. Compare those contents with your existing equipment before buying separate accessories for the same measuring task.
Dampening valves are included to steady the vacuum pulses and reduce needle jump. Use them with the instructions supplied for the gauge setup; their stated purpose is to make the needles easier to read while comparing the vacuum readings.
Send your model and year, plus photos of your existing part and any changes to the original setup.
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