2006-2012 Honda TRX90 TRX90EX/X Service Manual, Page 79Get this manual
FUEL SYSTEM Install the intake manifold coverInstall the carburetor body to the intake manifold and tighten the mounting boltsRoure the hoses properly (page 16)
Tighten the connecting hose band screw
THROTTLE VALVE
Install the jet needle into the throttle valve and secure it ith jet needle retainer
THROTTLE VALVE RETAINER