What are the ppr? i need it set to 2 since it’s reading double my rpm

We think you would like to know how to set the engine firing patterns(the default value is 1P1R) to adjust the RPM accuracy, which suitable to gas engine type 4 stroke 2 cylinder or 2 stroke 1 cylinder, so first you must sure what's the type of your engine then switch the 1P1R to followed 1P2R,2P1R......according to the comparison form into user manual, another important thing that's the signal wire must 5-8 circles on the spark plug.

can the signal wire be extended?

Yes you can splice a wire on to it make the signal wire longer.

Should I wrap the pickup wire around the head of the ignition coil or the spark plug wire (4 stroke)?

Around The wire near the boot on the plug

Does hour meter count only the hours the motor is ACTUAL running?

yes. the TOT hours will count when machine is running. but it will display when machine is off, and the RPM value will be displayed when machine is on.

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⏱️ Stay in control, keep your engine running like clockwork!

DURABLE RELIABLE - Waterproof IP65 rating with user data retention after battery replacement and backed by 2 years of expert support.
DYNAMIC RPM MONITORING - Accurately measures engine RPM up to 20,000 with max RPM recall and real-time alert warnings.
EFFORTLESS INSTALLATION - One-wire hookup with flexible 68.8-inch cable and versatile stick or screw mounting for any small engine setup.
PRECISION HOUR TRACKING - Monitor total run time and specific job durations to never miss critical maintenance windows.
INTUITIVE DUAL BACKLIGHT DISPLAY - Green for normal operation, red flashes to warn when RPM limits are exceeded—stay ahead of engine stress.

The Runleader Digital Maintenance Tach/Hour Meter is a compact, waterproof device designed for small gas engines. It tracks total and job-specific running hours, measures RPM up to 20,000 with alert warnings, and features a dual-color backlight display. Easy to install with a single wire and powered by a replaceable CR2032 battery, it ensures reliable maintenance scheduling and engine monitoring for riding lawn tractors, generators, chainsaws, and more.

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Manufacturer	Ningbo Jiangbei Run Leader Electronics Co., Ltd
Brand	Runleader
Item Weight	2.89 ounces
Product Dimensions	2.64 x 1.38 x 0.69 inches
Item model number	HM032R
Batteries	1 Lithium Metal batteries required. (included)
Is Discontinued By Manufacturer	No
Manufacturer Part Number	HM032A

Runleader Digital Maintenance Tach/Hour Meter,Battery Replacement for Small Gas Engine,Used on Riding Lawn Tractor Generator Compressor Chainsaws Outboard Motor Pressure Washers

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