Yamaha YZF690-U Owner's Manual

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Periodic maintenance and adjustment6-146NOTICEECA20860If the oil pressure warning light flick-ers or remains on even if the oil levelis correct, immediately turn the en-gine off and have a Yamaha dealercheck the vehicle.14. Turn the engine off, wait a fewminutes for the oil level to settle foran accurate reading, and thencheck the oil level and correct it ifnecessary.15. Install the cowlings.EAU85450Why YamalubeYAMALUBE oil is a Genuine YAMAHAPart born of the engineers’ passionand belief that engine oil is an impor-tant liquid engine component. We formteams of specialists in the fields of me-chanical engineering, chemistry, elec-tronics and track testing, and havethem develop the engine together withthe oil it will use. Yamalube oils take fulladvantage of the base oil’s qualitiesand blend in the ideal balance of addi-tives to make sure the final oil clearsour performance standards. Thus,Yamalube mineral, semisynthetic andsynthetic oils have their own distinctcharacters and value. Yamaha’s expe-rience gained over many years of re-search and development into oil sincethe 1960’s helps make Yamalube thebest choice for your Yamaha engine.EAUS1203CoolantThe coolant level should be checkedregularly. In addition, the coolant mustbe changed at the intervals specified inthe periodic maintenance chart.TIPIf genuine Yamaha coolant is not avail-able, use an ethylene glycol antifreezecontaining corrosion inhibitors for alu-minum engines and mix with distilledwater at a 1:1 ratio.EAU20097To check the coolant levelSince the coolant level varies with en-gine temperature, check when the en-gine is cold.1. Park the vehicle on a level surface.Recommended coolant:YAMALUBE coolantCoolant quantity:Coolant reservoir (max level mark):0.25 L (0.26 US qt, 0.22 Imp.qt)Radiator (including all routes):1.60 L (1.69 US qt, 1.41 Imp.qt)