Spark Plug for 2010-2011 KTM 990 Supermoto R & More - NGK 4742

NGK 4742 spark plug for the 2010-2011 KTM 990 Supermoto R 999cc and other vehicles ignites the fuel and air mixture in the combustion chamber. Like other NGK spark plugs, it threads into the cylinder head and sparks across a gap between its electrodes.

• Part of the NGK Laser Iridium line
• Fine wire iridium alloy center electrode for consistent performance
• Iridium's density is 6x that of platinum, and it has an extremely high melting point
• Solid copper core, 98% pure, for heat dissipation, conductivity and wide heat ranges
• Trivalent metal plating resists corrosion and seizing for easier installation and removal

Quick facts

• Part: NGK 4742 spark plug
• Fits: 2010-2011 KTM 990 Supermoto R 999cc and other vehicles
• Condition: New

Hard starting, a misfire or a rough idle can mean a plug is worn. These signs alone do not prove the plug is at fault, since a weak battery can cause hard starting too.

Fits

The 2010-2011 KTM 990 Supermoto T 999cc and the 2007-2008 KTM 990 Super Duke 999cc take this plug as well, along with other models. Open the "Vehicles it fits" section to check your exact model and engine.

Specifications

In the box

This listing holds one spark plug, and the fitment calls for one per application.

Interchange: 61139093000 · KR8DI