NGK Spark plug MR7F

NGK MR7F is a high-quality standard spark plug that offers reliable ignition power and durability. It is designed to meet the strict requirements of original equipment manufacturers (OEM), making it an excellent choice for both maintenance and repair.

The MR7F is a common spark plug in Polaris ATVs (including 570, 900, and 1000 models). See below for a more detailed list of model-specific compatibilities.

This plug is known for its excellent thermal conductivity, which prevents engine knocking and saves fuel by ensuring a clean combustion process. Whether it's a cold start in the morning or a long ride in the heat, the MR7F keeps your engine running smoothly.

Features

• Reliable starting: Optimized spark gap and electrode design guarantee ignition even in difficult conditions.
• Long service life: Special nickel alloy protects against wear and corrosion.
• Wide heat range: Effectively prevents carbon fouling and overheating.

Technical Specifications

• Thread diameter: 10 mm
• Thread length: 12.7 mm
• Hex size: 16 mm
• Electrode material: Nickel
• Resistor: Yes (5 kOhm)
• Heat range: 7
• Spark gap: 0.7 mm (pre-set)

Common Fitments

NGK MR7F is a very common spark plug in many popular small engines, scooters, and ATVs. Typical applications are listed below:

All-Terrain Vehicles (ATV)

Polaris:

Sportsman 570 2014-
Sportsman 450 H.O 2016-2023
Sportsman ACE 325 / 570 / 900 2014–2019
Ranger 570 2014–2022+ (Full Size, Mid Size ja Crew-mallit)
Ranger 900 XP 2015–2019.
Ranger 1000 XP 2017–2022+ 
Ranger ETX 2015–2016.
RZR 570 2012–2021
RZR 900 / 900 S / XP 900 2011–2020.
RZR 1000 / XP 1000 / XP 4 1000 2014–2022+.
RZR RS1 2018–2020+.
General 1000 / 1000 XP 2016–2021+

Note: Always check your vehicle's manual or the old spark plug for the correct type before installation to ensure compatibility.