Floor Vacuum Gauges To Adjust Carburetors On A Motorcycle

The carb boots are in excellent shape they were brand new 10 years ago.

Floor vacuum gauges to adjust carburetors on a motorcycle.

The vacuum decrease may be such that the mixture leans considerably and the engine stumbles so other features in the carburetor are needed to compensate. The vacuum balancing gauges should be fitted to each inlet tract many japanese machines have either a removable screw or a capped tube on each inlet and the engine re started. P1 tools motorcycle vacuum carburetor synchronizer synchronization vacuum carburetor tuning synchronizer carb for honda yamaha kawasaki suzuki vacuum gauge set gs kz 550 650 750 4 5 out of 5 stars 81 58 99 58. There are a couple of methods you can use.

I need to take the tops off the carbs and manually sync em i did do a bench sync but i need to fine tune it. So you want to synchronize the carbs on your multi carbed motorcycle. Carefully remove the carb tool and reposition all vacuum hoses and plugs. In setting the carburetor idle point with vacuum gauge best results are obtained by first jacking up the rear wheels one inch from the floor starting the engine and putting the transmission into high gear then adjusting the throttle stop screw until speedometer indicates 7 miles per hour minimum.

I do think though that the cams are out of time. A vacuum gauge is irreplaceable when tuning a carburetor. P1 tools motorcycle vacuum carburetor synchronizer synchronization vacuum carburetor tuning synchronizer carb for honda yamaha kawasaki suzuki vacuum gauge set gs kz 550 650 750 4 5 out of 5 stars 81 58 99 58. Popular methods include a tiny pump of some sort built into the carburetor and for the cv carburetors the slide cannot move up due to lack of vacuum on the diaphragm at that moment.

Set includes 4 synchronizer gauges 1 2 with fixed plates vacuums and 4 rubber pipes 8mm x 5mm x 750mm. When i was a kid my father and bj taught me how to adjust a new or rebuilt carburetor by watching and listening to the engine. If you have vacuum gauges try that approach and if you don t opt for the ball bearing method. The vacuum gauge method generally how it s done in a motorcycle shop and the ball bearing method.

Finally adjust the engine s idle speed back to the factory specs if it changed. Use the abn carburetor synchronizer and adjustment tool kit vacuum gauge set gs kz 550 650 750 to synchronize the values of 4 carburetors as well adjust them at the same time synchronizer gauges. I did do a starter fluid vacuum leak check and it seems to be in good shape.