Suzuki RM-z450 Owner's Service Manual page 230

13-13 FUEL SYSTEM AND THROTTLE BODY
• Install a new O-ring 1.
Replace the O-ring 1 with a new one.
• Install the IAP sensor as shown.
• Apply thin coat of engine oil to the new O-ring 2 and cushion
seal 3.
Replace the O-ring 2 and cushion seal 3 with new
ones.
• Install the fuel injector by pushing it straight to fuel pipe.
Never turn the injector while pushing it.
NOTE:
Align the coupler A of the injector with groove B of the fuel
pipe.
• Install the fuel injector by pushing it straight to the throttle
body.
Never turn the injector while pushing it.
• Tighten the fuel pipe mounting screws to the specified torque.
$ Fuel pipe mounting screw:
CAUTION
CAUTION
CAUTION
CAUTION
3.5 N·m (0.35 kgf-m, 2.5 lb-ft)