HOME 1.22 SPARK PLUGS AND COIL GENERAL sm01733 Disconnecting spark plug cable with engine running can result in electric shock and death or serious injury. (00464b) The spark plugs have been carefully selected for the perform- ance characteristics of the VRSC engine. Use only 10R12A spark plugs in the VRSC engine. 1 2 NOTE Use only Harley-Davidson spark plugs made for the VRSC. Use of other spark plugs can affect the running characteristics of the engine and could result in engine damage. REMOVAL/INSPECTION 1. After the engine has cooled to room temperature remove air box assembly. See 1.5 AIR CLEANER AND EXHAUST SYSTEM . 1. Fasteners 2. Connector [83R] Figure 1-57.
Rear Cylinder Coil Location (typical) 2. Gain access to rear plug coil. a. See Figure 1-56 . Remove coolant overflow bottle by plug. 6. Using a spark plug socket with plug retaining sleeve, remove rear spark plug. Figure 1-58. Plug Top Coil 7. Remove battery for access to front spark plug. See 1.9 BATTERY MAINTENANCE . 8. Remove front spark plug. 2009 VRSC Service: Maintenance 1-47 pulling bottle upward and rocking bottle free of mounting grommets. sm01732 Figure 1-56. Coolant Bottle 3. See Figure 1-57. Remove rear coil fasteners (1). 4. Detach connector (2) [83R] at rear coil, [83F] at front coil. 5. Pull coil and boot assembly straight up to disconnect spark sm01837