2006-2009 Suzuki LT-R450 Service Manual, Page 194Get this manual
FUEL SYSTEM AND THROTTLE BODY
FUEL PRESSURE INSPECTION
Remove the fuel tank cover(c::::7'7-6) Place rag under the fuel feed hose and remove the fuel feed hose (1)
Install the special tools between the fuel pressure regulator and fuel delivery pipe
,-lOOt! 09940-40211: Fuel pressure gauge adaptor
09940-40220: Fuel pressure gauge hose attachment 09915-77331: Oil pressure gauge 09915-74521: Oil pressure gauge hose
Turn the ignition switch ON and check the fuel pressure