NGK BR8ES spark plug for the 1999-2013 Husqvarna WR250 249cc and other vehicles delivers the spark that ignites the air-fuel mixture in the cylinder. It belongs to the Standard line of NGK spark plugs and is made for engines originally fitted with nickel alloy plugs.
- NGK Standard line, sold in the yellow box packaging
- Nickel alloy center electrode for consistent performance
- Trivalent metal plating resists corrosion and seizing to ease installation and removal
- High grade alumina silicate ceramic insulator built for strong dielectric performance
- Solid 98% pure copper core for heat dissipation, conductivity and wide heat ranges
- Cold-rolled threads help prevent cross-threading and damage to cylinder heads
Quick facts
- Part: NGK BR8ES spark plug
- Fits: 1999-2013 Husqvarna WR250 249cc and other vehicles
- Material: copper core, nickel alloy center electrode
A worn or fouled spark plug can show up as hard starting, misfires or a rough idle. Before you replace the spark plug, rule out the ignition coil, the plug wire and the fuel supply, because a fault in any of them can also make an engine misfire.
Fits
This NGK Standard spark plug is a direct fit for the 1999-2013 Husqvarna WR250 249cc, the 2008-2009 Benelli Velvet 125 124cc, the 2004-2006 Moto Guzzi Breva 750 744cc and the 2007-2008 Breva 750 748cc, along with many other motorcycles, scooters, ATVs, snowmobiles and cars.
Specifications
Fit and size
- Thread: M14 - 1.25
- Thread reach: 19.0 mm (0.750 in)
- Hex size: 13/16"
- Seat: flat, with crush gasket
- Heat range: 8
- Gap: 0.8 mm (.032 in)
- Quantity per vehicle: varies by engine
Build and materials
- Tip: non-projected
- Electrode style: J-Gap
- Center electrode: nickel alloy
- Core: 98% pure copper
- Terminal: removable nut
- Sealing: triple gasket sealing against combustion gas leakage
- NGK stock number: 5422
In the box
This listing is one spark plug. The 1999-2013 Husqvarna WR250 249cc takes one, and the number of spark plugs varies by engine on other vehicles.
Interchange: 5422
Frequently Asked Questions
Is the NGK BR8ES the right spark plug for a 1999-2013 Husqvarna WR250 249cc?
Yes, the NGK BR8ES fits the 1999-2013 Husqvarna WR250 249cc, which takes one spark plug. If your vehicle or year is not named on this page, look it up in the "Vehicles it fits" section.
Can I use this BR8ES copper-core spark plug in place of factory precious metal plugs?
No. The NGK BR8ES is intended for engines that came with nickel alloy plugs and is not recommended where the factory installed precious metal plugs.
What thread size and reach does the BR8ES have?
This spark plug has an M14 - 1.25 thread with a 19.0 mm (0.750 in) reach, a 13/16" hex and a flat seat with a crush gasket.
Which heat range and gap does the BR8ES spark plug use?
This spark plug has a heat range of 8 and a 0.8 mm (.032 in) gap, with a non-projected tip and a J-gap electrode.
How does the trivalent metal plating help on this NGK spark plug?
The trivalent metal plating on this spark plug resists corrosion and seizing, which helps it thread in and come back out more easily.
