2011 Yamaha Motorsports Grizzly 550 4x4 Owners Manual - Page 124
2011 Yamaha Motorsports Grizzly 550 4x4 Manual
Page 124 highlights
Tightening torque: Purging bolt: 27 Nm (2.7 m·kgf, 20 ft·lbf) EWB02380 2 1. Purging bolt 2. Gasket 8 8. Start the engine and rev it up approximately twenty times while momentarily creating exhaust system back pressure by blocking the end of the muffler with a shop towel. 9. Stop the engine and allow the exhaust pipe to cool. 10. Check the gasket for damage, and replace it if necessary. 11. Install the purging bolt and its gasket, and then tighten the bolt to the specified torque. WARNING Never run the engine in an enclosed area when purging the spark arrester, otherwise it could cause injury to the eyes, burns, carbon monoxide poisoning, possibly leading to death, and start a fire. G Always let the exhaust system cool prior to touching exhaust components. G Always wear eye protection, and make sure no one is behind the ATV. G Make sure there are no combustible materials in the area. EBU23930 V-belt case drain plug After riding in water deep enough to allow it to enter the V-belt case, remove this plug to drain the water from the case. 8-44