NGK 6773 spark plug for the 2017-2019 Kawasaki KAF400 Mule SX 4X4 401cc and other vehicles ignites the air-fuel mixture in the cylinder. It is one of the NGK spark plugs suited to engines with factory nickel alloy plugs, and it is not recommended where the factory plugs are precious metal.
- NGK Standard line plug with a nickel-tip center electrode for consistent performance
- High grade alumina silicate ceramic insulator for dielectric performance
- Triple gasket sealing to prevent combustion gas leakage
- Solid 98% pure copper core for heat dissipation and conductivity across wide heat ranges
- Cold-rolled threads to prevent cross-threading and damage to cylinder heads
- Trivalent metal plating for anti-corrosion and anti-seizing properties
Quick facts
- Part: NGK 6773 spark plug
- Fits: 2017-2019 Kawasaki KAF400 Mule SX 4X4 401cc and other vehicles
- Material: Ceramic insulator, copper core, nickel center electrode tip
- Condition: New
A worn plug can show up as hard starting, a misfire or a rough idle. A loose plug wire, a dirty air filter or a fuel delivery problem can be behind the same symptoms, so track down the cause before you buy plugs.
Fits
The 2017-2019 Kawasaki KAF400 Mule SX 4X4 401cc, the 2017-2019 Kawasaki KAF400 Mule SX 4X4 XC 401cc and the 2024 Kawasaki KAF400 Mule SX 4X4 XC LE 401cc are among the machines it fits, along with many Kawasaki, Gas Gas, John Deere, Bobcat and Harley-Davidson models. This listing is one plug. If your machine is not named here, look up its year and engine in the "Vehicles it fits" section.
Specifications
Fit and size
- Thread size: M14 - 1.25 (metric)
- Reach: 19.0 mm (0.750 in)
- Seat type: flat, with crush washer
- Heat range: 5
- Pre-gap: 0.9 mm (.036 in)
- Insulator height: 56.0 mm (2.20 in)
- Center electrode insulator tip projection: 3.0 mm (0.12 in), mid projection
Build and materials
- Resistor type: yes, 5000 ohm
- Center electrode: copper core, nickel tip
- Ground electrode: one, J-gap, nickel tip
- Terminal: removable nut
- Insulator material: ceramic
- NGK part number: BPR5ES BLYB
- Condition: new
- Country of origin: Japan
In the box
One spark plug with a crush washer.
Interchange: BPR5ES BLYB
Frequently Asked Questions
Does the NGK 6773 fit the 2017-2019 Kawasaki KAF400 Mule SX 4X4 401cc?
Yes. NGK 6773 is listed for the 2017-2019 Kawasaki KAF400 Mule SX 4X4 401cc and for many other machines. The "Vehicles it fits" section covers yours if it is not named on the page.
What thread size and reach does the NGK 6773 spark plug have?
NGK 6773 has an M14 - 1.25 metric thread and a 19.0 mm (0.750 in) reach. It seats flat with a crush washer and has a heat range of 5.
Does this spark plug include a crush washer?
Yes. The washer comes with the plug. The terminal is a removable nut, and the listing is for a single plug.
Is BPR5ES BLYB the same plug as NGK 6773?
Yes. NGK lists this spark plug under both 6773 and BPR5ES BLYB, so either number finds the same plug.
Can I use this nickel spark plug where the factory plugs are precious metal?
No. This plug is not recommended for engines with factory precious metal plugs. It suits engines that have factory nickel alloy plugs.
