{"product_id":"hfwhok-small-engine-tachometer-digital-rpm-hour-meter-for-mowers-motorcycles-boats","title":"HFWHOK Small Engine Tachometer — Digital RPM \u0026 Hour Meter for Mowers, Motorcycles, Boats","description":"\u003ch2\u003eHFWHOK Small Engine Tachometer: Digital RPM \u0026amp; Hour Meter\u003c\/h2\u003e\n\u003cp\u003eThe HFWHOK tachometer delivers clear, dependable engine readings for a wide range of gasoline engines. It clamps to a spark plug wire and uses battery power, eliminating the need for external power cables. Designed for simple installation and reliable data retention, it helps you monitor RPM and engine hours with minimal setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat makes it practical\u003c\/strong\u003e is how it combines a compact design with thoughtful features: a stable mounting bracket on tubular frames, a direct signal from the spark plug, and memory that persists when you replace the battery. The device supports wireless sensing up to a few centimeters away, making it adaptable to crowded or awkward spaces on compact machines and vehicles.\u003c\/p\u003e\n\u003ch3\u003eKey features and benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n    \u003cstrong\u003eInstallation and signal pickup:\u003c\/strong\u003e The sturdy bracket fixes securely on tubular surfaces; clamp the spark plug wire to receive a signal without messy wiring, offering dependable readings with long service life.\n  \u003c\/li\u003e\n  \u003cli\u003e\n    \u003cstrong\u003eDigital controls and sensing:\u003c\/strong\u003e Includes TOT, JOB, SVC, MAX RPM, RPM alarm, CLOCK, battery detection, memory, auto sleep, and reset. Wireless sensing works within an optimal 3–5 cm distance for flexible positioning.\n  \u003c\/li\u003e\n  \u003cli\u003e\n    \u003cstrong\u003ePerformance range and display:\u003c\/strong\u003e 0–18,000 RPM with ±10 RPM accuracy. Timing from 0–9,999 hours, 0.1-hour precision, and a compact 40×22 mm display on a 2.2 m wire—suitable for dashboards or tight panels.\n  \u003c\/li\u003e\n  \u003cli\u003e\n    \u003cstrong\u003eMaintenance and visibility:\u003c\/strong\u003e SVC countdown defaults to 50 hours and is adjustable up to 500 hours. Green backlight aids normal use, while red backlight highlights when RPM alarm is active; the alarm is programmable.\n  \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-world use cases\u003c\/h3\u003e\n\u003cp\u003eWhether you’re tuning a hand-push mower, checking a motorcycle, or monitoring a snowmobile, HFWHOK provides a practical monitoring companion. It pairs well with off-road vehicles, beach cars, ATVs, and boats, offering a reliable snapshot of engine performance and usage time without requiring complex setup.\u003c\/p\u003e\n\u003ch3\u003eWhy choose HFWHOK\u003c\/h3\u003e\n\u003cp\u003eThe design focuses on user needs: easy mounting, clear data, and adaptable sensing in varied environments. The device stores data even when changing the battery, and a battery alert helps you stay informed. Use cases emphasize possibilities for better engine awareness and routine checks, not guarantees.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this tachometer compatible with different engine types?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It supports many gasoline engines and reads signals via the spark plug wire.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How is installation and power handled?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Mount with the included bracket on a tubular surface; it runs on battery power with no external power needed.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"HFWHOK","offers":[{"title":"Default Title","offer_id":42468412981333,"sku":"B0FLJSRX8R","price":37.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/hfwhok-small-engine-tachometer-bracket-installation.jpg?v=1778072299","url":"https:\/\/plentytorque.co.uk\/products\/hfwhok-small-engine-tachometer-digital-rpm-hour-meter-for-mowers-motorcycles-boats","provider":"PlentyTorque","version":"1.0","type":"link"}