2012 Yamaha Motorsports Royal Star Venture S Owners Manual - Page 80
2012 Yamaha Motorsports Royal Star Venture S Manual
Page 80 highlights
PERIODIC MAINTENANCE AND ADJUSTMENT 3. Check each spark plug for electrode erosion and excessive carbon or other deposits, and replace it if necessary. Specified spark plug: NGK/DPR8EA-9 DENSO/X24EPR-U9 To install a spark plug 1. Clean the surface of the spark plug gasket and its mating surface, and then wipe off any grime from the spark plug threads. 2. Install the spark plug with the spark plug wrench, and then tighten it to the specified torque. Tightening torque: Spark plug: 18 Nm (1.8 m·kgf, 13 ft·lbf) EAU19681 Canister (for California only) 4. Measure the spark plug gap with a wire thickness gauge and, if necessary, adjust the gap to specification. 8 1. Spark plug gap TIP If a torque wrench is not available when installing a spark plug, a good estimate of the correct torque is 1/4-1/2 turn past finger tight. However, the spark plug should be tightened to the specified torque as soon as possible. 3. Install the spark plug cap. This model is equipped with a canister to prevent the discharging of fuel vapor into the atmosphere. Before operating this vehicle, make sure to check the following: ● Check each hose connection. ● Check each hose and canister for cracks or damage. Replace if damaged. ● Make sure that the canister breather is not blocked, and if necessary, clean it. Spark plug gap: 0.8-0.9 mm (0.031-0.035 in) 8-13