2009 Yamaha Motorsports Grizzly 550 4x4 Owners Manual - Page 56
2009 Yamaha Motorsports Grizzly 550 4x4 Manual
Page 56 highlights
G For ATVs not equipped with an odometer or hour meter, follow the figures given in hours. ECB00220 6 There is never a more important period in the life of your engine than the first 320 km (200 mi) or 20 hours of riding. For this reason, you should read the following material carefully. Since the engine is brand new, do not put an excessive load on it for the first 320 km (200 mi) or 20 hours. The various parts in the engine wear and polish themselves to the correct operating clearances. During this period, prolonged full-throttle operation or any condition that might result in engine overheating must be avoided. 0-160 km (0-100 mi) or 0-10 hours Avoid prolonged operation above 1/2 throttle. Vary the speed of the ATV regularly. Do not operate it at one set throttle position. 160-320 km (100-200 mi) or 10-20 hours Avoid prolonged operation above 3/4 throttle. Rev the engine freely, but do not use full throttle at any time. 320 km (200 mi) or 20 hours and beyond The ATV can now be operated normally. 6-5 NOTICE If any engine trouble should occur during the engine break-in period, immediately have a Yamaha dealer check the ATV. EBU27321 Parking When parking the ATV, stop the engine, and shift the drive select lever into the park position. EBU20810 Parking on a slope EWB00780 WARNING POTENTIAL HAZARD Parking on a hill or other incline. WHAT CAN HAPPEN The ATV could roll out of control, increasing the chance of an accident.