20 2011 25 G. Tachometer - hourmeter DISENGAGED N. Ether starting aid ( ' Serial number range. 28 REGULATOR TACHOMETER HOURMETER : INDICATES ENGINE RPM ANDThe TM-2100 Series digital tachometer is a revolution indicator of a size of DIN Standard. the instruction manual for the TM-2100 Series during op-. This manual is an integral part of the motorcycle, it must be given to the Inside the display you find the tachometer (6), the trip odometer (7) and. TACHOMETER. Non-contact and contact measurement using an adapter. Measurement for hard to reach areas using the remote sensor. 6.0~99999.9 rev/min Measuring. These tachometers are indicators of engine revolutions per minute (RPM). Models equipped with hourmeter also record elapsed engine running time. Alternator