An adaptable engine usage meter includes engine monitoring circuitry arranged within a front housing. Three different rear housings can be interchangeably attached to the front housing. A first rear housing includes a concave back portion, so that in conjunction with a complementary concave mounting bracket, it allows the meter to be attached to a round handlebar, such as that on a push mower. A second rear housing is slightly narrower than the front housing, so that a shoulder is formed when they are attached together. The second rear housing allows the meter to be mounted on an instrument panel by fitting it through a cutout until the shoulder engages the panel. When either the first or second rear housing is used, the circuitry in the front housing is connected to the ignition wire and the ground of an engine via a cable extended through the rear housing. A third rear housing includes a combination sensor and mounting clip rigidly attached thereto, so that it allows the meter to be clipped and supported directly on the ignition wire. A ground wire extended through the third rear housing can be connected to a grounded portion of the engine. When installed, the engine usage meter accurately monitors engine usage and displays its total running time, so that regular engine maintenance can be performed according to schedule.
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