Yamaha FZ1-N Service Manual

Contents

ENGINE3-204. Drain:• Coolant(from the coolant reservoir)5. Remove:• Radiator cap “1”WARNINGEWA13030A hot radiator is under pressure. Therefore,do not remove the radiator cap when theengine is hot. Scalding hot fluid and steammay be blown out, which could cause seri-ous injury. When the engine has cooled,open the radiator cap as follows:Place a thick rag or a towel over the radia-tor cap and slowly turn the radiator capcounterclockwise toward the detent toallow any residual pressure to escape.When the hissing sound has stopped,press down on the radiator cap and turn itcounterclockwise to remove.The following procedure applies to all of thecoolant drain bolts and copper washers.6. Remove:• Coolant drain bolts “1”(along with the copper washers)7. Drain:• Coolant(from the water pump inlet pipe and outletpipe)8. Check:• Copper washers “1”9. Install:• Coolant drain bolts “2”10. Install:• Coolant reservoir tank11. Connect:• Coolant reservoir hose12. Fill:• Cooling system(with the specified amount of the recom-mended coolant)Handling notes for coolantCoolant drain bolt10 Nm (1.0 m·Kg, 7.2 ft·lb)Recommended antifreezeHigh-quality ethylene glycolantifreeze containing corrosioninhibitors for aluminum enginesMixing ratio1:1 (antifreeze: water)QuantityTotal amount2.25 L(1.98 lmp qt, 2.38 US qt)Coolant reservoir capacity0.25 L(0.22 lmp qt, 0.26 US qt)