Yamaha YZF-R1(B) 2012 Service Manual

Also see for YZF-R1 2012: Service manual

Contents

AIR FILTER CASE7-10EAS14B1107INSTALLING THE SECONDARY INJEC-TORSECA14B1046• Always use new O-rings.• When checking the injectors, do not allowany foreign material to enter or adhere tothe injectors, fuel rails, or O-rings.• Be careful not to twist or pinch the O-rings when installing the injectors.• When installing the injector, install it atthe same position as the removed cylin-der.• If an injector is subject to strong shocksor excessive force, replace it.• If installing the original fuel rails andbolts, remove the white paint marks usinga cleaning solvent. Otherwise, paint chipson the bolt seats could prevent the boltsfrom being tightened to the specifiedtorque.1. Install a new seal onto the end of eachinjector.2. Install the injectors “1” to the fuel rails “2”.3. Install the secondary injector joint “3”, mak-ing sure to install them in the correct direc-tion.4. Tighten the fuel rail screws “1”.5. Install:• Upper air filter case seal “1”• Secondary injector assembly seal “2”TIPThe matching adhesion portion of the sealshould be positioned within a range of “a”.6. Tighten the secondary injector assemblybolts “1”.7. Check the injector pressure after the injec-tors are installed to the upper air filter case.Refer to “CHECKING THE INJECTORPRESSURE” on page 7-17.EAS14B1068INSTALLING THE UPPER AIR FILTER CASE1. Install:• Upper air filter case▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼a. Tighten the upper air filter case bolts “1” asshown.Secondary injector assemblybolt4 Nm (0.4 m·kgf, 2.9 ft·lbf)Upper air filter case screw2 Nm (0.2 m·kgf, 1.4 ft·lbf)NewNew