PERIODIC MAINTENANCE 2-13 OIL FILTER REPLACEMENT • Drain the engine oil as described in the engine oil replace- ment procedure. • Remove the oil filter 1 with the special tool. 09915-40610: Oil filter wrench • Apply engine oil lightly to the gasket of the new oil filter before installation. • Install the new oil filter. Turn it by hand until you feel that the oil filter gasket contacts the oil filter mounting surface. Then, tighten the oil filter two full turns (or to specified torque) with the special tool. NOTE: To properly tighten the oil filter, use the special tool. Never tighten the oil filter by hand. After contacting the gasket, tighten 2 turns. Oil filter: 20 N·m (2.0 kgf-m, 14.5 lb-ft) (20 N·m, 2.0 kgf-m, 14.5 lb-ft) • Add new engine oil and check the oil level is as described in E the engine oil replacement procedure. NECESSARY AMOUNT OF ENGINE OIL: L Oil change : 3.0 L (3.2/2.6 US/Imp qt) P Oil and filter change : 3.3 L (3.5/2.9 US/Imp qt) Engine overhaul : 3.6 L (3.8/3.2 US/Imp qt)  M A ONLY USE A GENUINE SUZUKI MOTORCYCLE OIL FILTER. Other manufacturer’s oil filters may differ in S thread specifications (thread diameter and pitch), fil- tering performance and durability which may lead to engine damage or oil leaks. Also, do not use a genuine Suzuki automobile oil filter on this motorcycle. EXHAUST CONTROL VALVE Inspect initially at 1 000 km (600 miles, 2 months) and every 12 000 km (7 500 miles, 24 months) thereafter. Check the exhaust control valve actuator 1 for its movement when the ignition switch is turned on. If the exhaust valve actua- tor does not move, check exhaust valve actuator electrical circuit and exhaust valve carbon sticking. Check the exhaust control cable play. (6-16)