Yamaha YFM 80 Badger _ year 2000_2001
Wrench size 16 mm
External thread [mm] 10.0 mm
Thread length [mm] 12.7 mm
Spark plug connection version M4
Iridium center electrode
1-ground electrode
suppressed, 5 kOhm
with flat sealing seat
Spark position [mm] 1.65 mm