DUAL-POWER FLEXIBILITY, RECHARGEABLE PLUS 12V
BACKUP: Most timing light with tachometer work only when clipped to a 12V battery. KT80 battery powered timing light can run on its built-in rechargeable battery for quick checks when access is tight or the vehicle battery is weak. For longer sessions, connect the 12V backup clips and keep working without interruptions. Finish the job with stable power, not workarounds.
VOLTAGE (0-35V) SHOWS WHAT IS REALLY HOLDING YOU BACK: When timing will not stay consistent, power is often the hidden issue. Check battery voltage, alternator charging, and voltage drop while you tune, so you know if the ignition is being fed properly before you touch timing again. One quick check can prevent wasted adjustments and repeated re-timing a smart gift for a man who actually enjoys diagnosing the real problem.
DWELL CHECK HELPS EXPLAIN WHY TIMING KEEPS CHANGING: If the engine still runs rough after you set timing, the trigger side of the ignition may be unstable. A dwell check helps flag distributor point and ignition control inconsistencies before they turn into hard starts or rough idle. Verify ignition stability while you tune, then fix the cause instead of re-timing again and again.
MADE FOR DISTRIBUTOR GAS ENGINES, 6V & 12V
INCLUDED: Built for distributor-ignition 2 and 4-stroke gas enginesclassic cars, vintage motorcycles, tractors, and restorations. Also pulls duty as a marine timing light on inboard gas boats with distributor ignition. One tool, one workflow across everything you wrench on.
Note: Not for diesel, 24V systems, or distributor-less ignition (COP, DIS, CDI).