Yamaha RX10GTX Owner's Manual

Contents

Yamaha RX10GTX Owner's Manual Manual pdf 59 page image

Periodic maintenance53bile. Continuing to operate the engine un-der such conditions could cause severeengine damage.ESU12010Cooling systemThe coolant level should be checked beforeeach ride. In addition, the cooling systemmust be bled of air at the intervals specified inthe periodic maintenance and lubricationchart.WARNINGEWS00380Do not remove the coolant reservoir capwhen the engine is hot. Scalding hot fluidand steam may be blown out under pres-sure, which could cause serious injury.When the engine has cooled, place a thickrag or towel over the coolant reservoircap, and slowly rotate the cap counter-clockwise to the detent. This procedure al-lows any residual pressure to escape.When the hissing sound has stopped,press down on the cap while turning coun-terclockwise and remove it.To check the coolant level1. Remove the top cover. (See page 42 forremoval procedures.)2. Check the coolant level in the coolant re-covery tank when the engine is cold. If thecoolant level is below the “COLD LEVEL”mark, add soft water until it reaches the“COLD LEVEL” mark. (See the followingsection “Replenishing the coolant” formore details.)CAUTION:ECS00490 Hard water or salt water is harmful to theengine parts. You may use boiled or dis-tilled water, if soft water is not available. Tap water can be used temporarily in anemergency.Bleeding the cooling systemThe cooling system must be bled of air if thecoolant reservoir becomes empty, if air can beseen in the cooling system, or if there is acooling system leak. Consult a Yamaha deal-er.CAUTION:ECS00500Operating the engine with an improperlybled cooling system can cause overheat-ing and severe engine damage.1. “COLD LEVEL” mark