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HOUR METER TOPGUN
HM3 Hour Meter, Universal
Universal hour meter designed to track engine run time on any motorcycle or spark-ignition engine. Ideal for maintenance scheduling, service tracking, and performance monitoring.
Quick Facts:
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Weight: 0.04 kg
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Compatibility: All motorcycles and engines with a spark plug
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Hardware Included: Hour meter, pick-up wire, two screws
Installation Instructions:
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Wrap the Pick-Up Wire:
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Wrap the included pick-up wire around the spark plug wire 5 times, starting about 4 cm from the spark plug boot.
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Secure the wrap with a zip tie.
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Test Signal:
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Insert the pick-up wire into the rear of the meter.
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Start the engine; the meter should detect the ignition signal.
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If successful, the timer icon on the LCD will flash. Wait at least 6 minutes for the timer to register 1/10 of an hour.
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If the meter does not pick up the signal, slide the pick-up wrap closer to the spark plug boot.
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Final Installation:
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Run the pick-up wire along a throttle cable, keeping it away from engine heat and moving parts.
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Leave about 8 cm slack for spark plug removal.
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Mount the meter in a convenient location on the frame.
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Securing Methods:
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Screws: Drill a 2.5 mm hole and secure using the provided screws.
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Zip-Tie/Double-Sided Tape: Attach using double-sided tape and secure with zip ties for non-drilled mounting.
Features & Benefits:
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Tracks engine run time accurately
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Compatible with virtually any spark-ignition engine
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Compact and lightweight design
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Ideal for maintenance scheduling and service intervals
A versatile and easy-to-install solution to monitor engine hours and keep your motorcycle or equipment running at its best.

