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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Digital Maintenance Tach/Hour Meter,Battery Replacement,Dual-Color Backlight for Motorcycle Small Gas Engine Outboard Motor Pressure Washers

Product ID: 38211537

Details

Brand
Runleader
Material
Acrylonitrile
Item dimensions L x W x H
2.64 x 1.38 x
Thread Type
Wired
UPC
737590266744

⏱️Tracks total & job hours precisely

⚙️RPM range 0-20,000 with max recall

🔴🟢Dual-color backlight RPM alerts

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VT8652

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Description

⏱️ Stay in control, never miss a beat with Runleader’s smart tach/hour meter!

DYNAMIC RPM MONITORING - Accurately measures engine speed up to 20,000 RPM with instant max RPM recall and alert warnings.
PRECISION HOUR TRACKING - Monitor total run time and specific job intervals for flawless maintenance scheduling.
DURABLE USER FRIENDLY DESIGN - Waterproof IP65 rating, replaceable CR2032 battery, and data retention even after power off or battery change.
INTUITIVE DUAL BACKLIGHT DISPLAY - Green for normal operation, red flashes to warn when RPM limits are exceeded—stay ahead of engine stress.
EFFORTLESS INSTALLATION VERSATILITY - One-wire hookup with flexible 68.8-inch cable, stick or screw mount anywhere on your equipment.

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

Specifications

Brand	Runleader
Material	Acrylonitrile Butadiene Styrene (ABS)
Item dimensions L x W x H	2.64 x 1.38 x 0.69 inches
Thread Type	Wired
UPC	737590266744
Manufacturer	Ningbo Jiangbei Run Leader Electronics Co., Ltd
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

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VT8652

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Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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