Reminder: Please check the dimensions in the size chart to ensure compatibility with your vehicle
A7TC（Red three claw）:
High Performance 3-Electrode Spark Plug A7TC for 50CC-150CC ATV Motorcycle
Suitable for GY6 50CC 70CC scooter, beam motorcycle 48CC 50CC 60CC 80CC JH70 DY90 DY100 100CC 110CC
Corresponding Model: A7TC、A7RTC、CR6HSA、CR7HSA、CR7HGP、C6SHA.
D8TC（Red three claw）:
Material: Metal
Compatible with the following spark plugs: D8TC、D8EA、DR8EA.
Fits CG Vertical Engine Series: 125cc 150cc 200cc 250cc off-road，all-terrain vehicle motorcycle.
For CG125 CF250 CH250 engine series with CVI belt drive 250CC
Moped scooters and ATVS Quad Bikes 4 Wheelers,Dirt Bikes, GY6.
Note: Please be sure to install the spark plug before starting the test. If the spark plug is not installed, the main control will burn out, which means that the green light is not on during the test
Car Spark Plug Test principle:
In automobile ignition system, the high-voltage ignition coil generates a high-voltage (10000 volts or more), and the spark plug diverts it from high -tension ignition coil into the cylinder engine, spark between the spark plug electrodes will ignite the mixture. The Detector could tell the good spark plugs from the bad by the strength of the spark.
1. Please Turn Off Power before you place spark plug
2. The Spark Plug Tester is a high-voltage detector, so do not touch spark plug with hand at work to avoid danger.
The higher the frequency, the stronger the spark strength.
Car Spark Plug Tester User Manual:
1.Place the Spark Plug into tester hole 1 or 2; If you want to compare the new spark plug and old one, place new spark plug into hole 1 and the old on into hole 2
2.Connect to power supply
3.Turn the key switch 4 clockwise to turn on tester, indicator 3 will light up, tester is now working at 1000rpm/min.
4. Again turn the key switch 4 clockwise,you can adjust the working frequency between 1000rpm to 5000rpm/min.
Plug: EU plug
Package Includes:
Spark plug tester*1
Instruction manual *1
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