cC8 In order to prevent clutch slippage (sincethe transmission oil also lubricates theclutch), do not mix any chemical additives.Do not use oils with a diesel specification of“CD” or oils of a higher quality than speci-fied. In addition, do not use oils labeled“ENERGY CONSERVING II” or higher.8 Make sure that no foreign material entersthe crankcase.EBU00498ChainCheck the general condition of the chain andcheck the chain slack before every ride.Lubricate and adjust the chain as necessary.(See pages 8-32–8-34 for details.)EBU01083Throttle leverCheck to see that the throttle lever operates cor-rectly. It must open smoothly and spring back tothe idle position when released. Have a Yamahadealer repair as necessary for proper operation.EBU01162Fittings and fastenersAlways check the tightness of chassis fittingsand fasteners before a ride. Take the machineto a Yamaha dealer or refer to the ServiceManual for correct tightening torque.EBU00803LightsCheck the headlight and tail/brake light to makesure they are in working condition. Repair asnecessary for proper operation.EBU01170SwitchesCheck the operation of all switches. Have aYamaha dealer repair as necessary for properoperation.5-75VM-9-11_2 3/11/03 1:09 PM Page 8