Fuel Injector Installation; Throttle Valve Synchronization - Suzuki Intruder VZR1800 Service Manual

FUEL INJECTOR INSTALLATION

• Apply thin coat of the engine oil to new injector cushion seals
and O-rings. ("6-20)
• Install the injector by pushing it straight to the throttle body.
Never turn the injector while pushing it. ("6-20)

THROTTLE VALVE SYNCHRONIZATION

Check and adjust the throttle valve synchronization among two
cylinders.
Step 1
• Remove the fuel tank. ("6-3)
• Remove the ISC valve. ("6-18)
• Connect the ISC valve coupler 1 and hoses 2.
• Connect the special tool (Mode select switch) to the dealer
mode coupler. ("5-18)
• Disconnect the vacuum hoses 3 from each throttle body.
• Connect the vacuum tester hoses 4 to each vacuum nipple
on the throttle body.
FUEL SYSTEM AND THROTTLE BODY
#1 #2
#1 #2
6-23