2004 Yamaha Motorsports Zuma Owners Manual - Page 37
2004 Yamaha Motorsports Zuma Manual
Page 37 highlights
OPERATION AND IMPORTANT RIDING POINTS REAR EAU00436 EAUT0003 Engine break-in There is never a more important period in the life of your engine than the period between 0 and 1,000 km (600 mi). 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 1,000 km (600 mi). 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. 0-150 km (0-100 mi) Avoid operation above 1/3 throttle. Stop the engine and let it cool for 5 to 10 minutes after every hour of operation. Vary the speed of the scooter from time to time. Do not operate it at one set throttle position. 150-500 km (100-300 mi) Avoid prolonged operation above 1/ 2 throttle. 500-1,000 km (300-600 mi) Avoid cruising speeds in excess of 3/4 throttle. ECAT0001 pery when wet. Therefore, slow down when approaching such areas and cross them with caution. 8 Keep in mind that braking on a wet road is much more difficult. 8 Ride slowly down a hill, as braking downhill can be very difficult. 5 cC After 1,000 km (600 mi)of operation, be sure to replace the final gear oil. 1,000 km (600 mi) and beyond Avoid prolonged full throttle operation. Vary speeds occasionally. 5-4