Timorn Handheld Digital Tachometer for Small Engines — RPM to 25,000, Hour Meter & IP67

The Timorn Small Engine Tachometer is a compact digital RPM and hour meter that monitors engine speed, logs run time, and provides programmable maintenance reminders for generators, lawn equipment, motorcycles, ATVs and marine outboards.

This all-in-one handheld tachometer and hour meter combines inductive RPM sensing with two-hour tracking channels and a programmable rev limiter to help you monitor engine performance and schedule service. Built for small engines and universal ignition types, the unit stores total run time, records peak RPM up to 25,000, and flashes a red backlight when a stored maintenance interval arrives. Its IP67 water resistance, selectable refresh rates, and replaceable battery make it useful in wet or dirty work environments.

How does this tachometer measure RPM on small engines?

The Timorn tach uses an inductive pickup: loop the sensor wire around the spark plug lead and the unit senses ignition pulses to calculate RPM. It displays live engine speed digitally, supports selectable refresh rates, and can recall the maximum recorded RPM for diagnosis.

• Inductive pickup—no direct wiring to ignition coil required
• Real-time RPM readout with 0–25,000 rpm range
• Refresh rate options: 0.5s or 1s for faster or smoother updates
• Max RPM recall and programmable rev limiter for engine protection

Can it track running hours and manage maintenance schedules?

Yes—this tachometer includes an unresettable total run-hour counter plus a resettable job timer so you can monitor overall usage and track individual jobs or separate engines. The device stores two separate service reminders and signals you with a red backlight and flashing icon when a scheduled interval is reached.

• Total run time shown up to 6,000 hours with 0.1h accuracy
• Resettable job timer for tracking specific tasks or second engine
• Two independent service reminders with visible red backlight alert
• Data retention during battery replacement via memory function

Which engines and vehicles are compatible with the Timorn tachometer?

The meter supports both 2-stroke and 4-stroke ignition patterns and handles a wide range of cylinder counts so it fits motorcycles, small tractors, generators, lawn mowers, marine outboards and more. Its universal design works with common models like GY6 and popular inverter generators.

• Compatible with 2-stroke (single/twin/3/6) and 4-stroke (single to 12 cylinders) ignitions
• Works with motorcycles, ATVs, dirt bikes, compressors, chainsaws, lawn tractors
• Suitable for portable generators (EU2000, EU2200, EU3000 family, etc.)
• Compact form factor for cramped engine bays and field service

How durable and easy to use is the device in real-world conditions?

The Timorn unit is built for outdoor and workshop use: it has an IP67 rating for water resistance, selectable backlight duration and an auto-sleep mode to preserve battery life. Installation is straightforward—wrap the sensor wire five turns around the spark plug wire and secure it with the included tie.

• IP67 water-resistant housing for wet or dusty environments
• Simple inductive installation—no engine disassembly needed
• Replaceable battery with stored data recovery after change
• Auto sleep and backlight timing to extend battery life

Who is this for: The Timorn Small Engine Tachometer is aimed at DIY mechanics, landscapers, boat owners, RV and generator users, and small-farm operators who need a reliable, portable way to monitor engine speed and total operating hours. It's especially useful for anyone maintaining multiple engines or scheduling preventative service on equipment that sees intermittent use. The combination of RPM monitoring, hour logging, programmable reminders and robust weatherproofing makes it a practical diagnostic and maintenance tool for hobbyists and professionals alike.