This mercury carburetor synchronizer tuner (carb synch tuner or manometer) synchronizes up to 4 carburetors at a time. DOES NOT include mercury vial so can ship internationally. Requires about 65 to 70 grams of mercury.
It has a sheet steel body with clear markings incremented every 2cm from 2 to 54 for simple accurate tuning and includes hose, line restrictors, 5mm (for Honda, Kawasaki and Suzuki) and 6mm (for Yamaha and many European motorcycle) adaptors and easy to follow instructions. By Barracuda®.
Maintenance schedule: Honda recommends checking your carburetor idle speed every 4000 miles and your carburetor choke every 8000 miles. Synchronize your carburetors every 8000 miles or 12800 km.