Spark Plug NGK 4313 LMAR8A-9

NGK LMAR8A-9 Spark Plug

NGK Standard series spark plugs are widely recognized for their durability and reliable performance. These plugs are manufactured using advanced technologies that ensure a stable spark, superior heat dissipation, and corrosion resistance, even under high engine loads.
 

Key Features:

• Premium Insulation: The pure alumina silicate ceramic insulator provides exceptional strength and efficient heat transfer.

• Copper Core: An integrated copper core aids in rapid heat removal, protecting the spark plug from overheating.

• Triple Seals: A patented sealing system prevents combustion gas leakage and ensures stable compression levels.

• Anti-Corrosion Protection: Trivalent metal plating provides superior anti-corrosion and anti-seizing properties, preventing the plug from "sticking" to the cylinder head.

• Safety: Corrugated ribs on the insulator prevent flashover (surface discharge).

Technical Specifications

• Thread Diameter: 10 mm

• Thread Pitch: 1.0 mm

• Reach (Thread Length): 26.5 mm

• Hex Size: 14 mm (9/16")

• Gap: 0.9 mm

• Heat Range: 8

• Resistor: 5,000 Ohm

Fitment

This spark plug is the standard or recommended application for many popular motorcycles and ATVs:

Triumph (2015–2024):

• Bonneville Series: T100, T120 (Black/Gold Line/Stealth Edition), Bobber (Black/TFC), Speedmaster.

• Scrambler Series: 900, 1200 X, 1200 XC, 1200 XE (Gold Line/Sandstorm/Steve McQueen Edition).

• Speed Twin: 900, 1200.

• Rocket 3: R, GT, TFC, Black, Storm R, Storm GT.

• Thruxton: 1200, 1200 R, RS, TFC.

• Street Series: Street Twin, Street Scrambler, Street Cup.

Yamaha:

• MT-07 / FZ-07: (from 2015)

• XSR700: (from 2018)

• XMAX 300 (CZD300): (from 2018)

• Wolverine X2 / X4 (YXE85/YXF85): (from 2018)

Honda:

• NSS300 Forza / Forza ABS: (2014–2016)

Who is this for?

• Motorcycle Owners performing maintenance. NGK is the Original Equipment Manufacturer (OEM) for many top brands.

• Long-Distance Travelers. Thanks to their reliable construction, these plugs offer a longevity of up to 48,000 km (30,000 miles).

• Riders who value engine performance. The precise heat range ensures easy starting and smooth engine operation.