The standard plug for a 99 Vulcan classic is the NGK DPR5EA-9. The 9 stands for the preset 0.36 gap.
0.8 to 0.9
.031-.035
.032-.034
.030
TOYOTA CAMRY LE 1986 SPARK PLUG GAP SETTINGS
.8 to .9 mm
0.8/0.9
0.8 to 0.9mm
.031-.035
what is the spark plug gap setting for Toyota rav4 2000 2.0 l
.031-.033, .8-.9mm
.044