5-5OPERATION AND IMPORTANT RIDING POINTS123456789EAU01128Engine break-inThere is never a more important peri-od in the life of your engine than theperiod between 0 and 1,600 km(1,000 mi). For this reason, youshould read the following materialcarefully.Since the engine is brand new, donot put an excessive load on it for thefirst 1,600 km (1,000 mi). The variousparts in the engine wear and polishthemselves to the correct operatingclearances. During this period, pro-longed full-throttle operation or anycondition that might result in engineoverheating must be avoided.EAU015000-1,000 km (0-600 mi)Avoid prolonged operation above 1/3throttle.1,000-1,600 km (600-1,000 mi)Avoid prolonged operation above 1/2throttle.EC000057cCAfter 1,000 km (600 mi) of opera-tion, the engine oil must bechanged, the oil filter cartridge/ele-ment replaced, and the oil strainercleaned.1,600 km (1,000 mi) and beyondThe vehicle can now be operatednormally.EC000049cCIf any engine trouble should occurduring the engine break-in period,immediately have a Yamaha dealercheck the vehicle.