NGK BPR 6 ES spark plug, for Honda GX160 to GX390
NGK is the world's leading manufacturer of spark plugs.
NGK spark plugs guarantee the highest quality and are used by many Japanese and European motorcycle manufacturers.
State-of-the-art production facilities, major investments in research and development, and a strong commitment to motorsport, from Formula 1 to two-wheel motorsport, make NGK spark plugs so successful.
Details:
B = Thread diameter: 14.0 mm, wrench size: 20.8 mm
R = With interference suppression resistor (5 kOhm)
8-11 = Heat rating
8 = Cold, winter weather (up to approx. 15 degrees)
9 = Normal temperatures, rain (up to approx. 20 degrees)
10 = summer weather (from approx. 20 degrees)
11 = hot summer weather (25 - 35 degrees)
E = thread length: 19.0 mm
G = with nickel electrode
ATTENTION:
Spark plugs should be installed with a suitable torque wrench to ensure proper installation.
To avoid damage to the spark plug or engine due to improper installation, tighten them to the following values:
Aluminium cylinder head = 25-30 Nm
Cast iron cylinder head = 25-35 Nm