2008 Yamaha Motorsports Apex LTX Owners Manual - Page 56
2008 Yamaha Motorsports Apex LTX Manual
Page 56 highlights
Periodic maintenance G The oil filter cartridge should be replaced every 20000 km (12000 mi) of operation. Have a Yamaha dealer replace the oil filter cartridge. ECS00451 CAUTION: Disconnect the oil level gauge coupler before removing the oil filler cap, otherwise the cable could twist and break. 5. Remove the oil filler cap, wipe the dipstick clean, insert it back into the oil filler hole (without screwing it in), and then remove it again to check the oil level. To check the engine oil level 1. Place the snowmobile on a level surface and apply the parking brake. 2. Start the engine, warm it up for 10-15 minutes, and then turn it off. The engine can also be warmed up by operating the snowmobile for 10-15 minutes. After operating the snowmobile, allow the engine to idle for at least 10 seconds before turning it off. Remove the shroud and the right side cover. (See page 42 for removal procedures.) Disconnect the oil level gauge coupler. NOTE: G 1. Oil filler cap 2. Dipstick NOTE: The engine oil should be between the "H" and "L" level marks on the dipstick. G 3. 4. 1. "H" level mark 2. "L" level mark 6. 1. Oil level gauge coupler 2. Oil filler cap If the engine oil is below the "L" level mark, add sufficient oil of the recommended type to raise it to the "H" level mark. (See page 77 for the recommended oil.) 50