2006-2009 Suzuki LT-R450 Service Manual, Page 359Get this manual
ELECTRICAL SYSTEM
INSPECTION
IGNITION COIL PRIMARY PEAK VOLTAGE Remove the front fender, side covers and fuel tank(c::::7" 5-3 and 7-6) Disconnect the fuel pump coupler CD
Remove the spark plug cap Connect new spark plug to spark plug cap and ground it to the cylinder
I CAUTION I
Avoid grounding the spark plugs and suppling the electrical shock to the cylinder head cover (magnesium parts) to prevent the magnesium material from damage