TIMING GAUGE TOOL 14mm

Suitable for 14mm spark plug threads. Screws in place of the spark plug. When the flywheel is gently turned, the tool will indicate top dead centre. Tool micrometer adjusting body can then be rotated to establish the required 'advance' position to set up the timing. | 1mm pitch | 1 Full rotation will move upwards/downwards 1mm. | Can be used on both a 2-stroke engine and a single cylinder 4-stroke.