Bombardier SeaDoo 2001 factory shop manual, Page 318Get this manual
Section 08 FUEL SYSTEM Subsection 04 (CARBURETOR)
To check the injector, install pump gauge tester to the injector hoseNOTE: Injectors are also equipped with check valvesNeedle Valve Lever
Rounded end of needle valve lever no8 must be flush with surrounding metering chamber floor and not with body assemblyPlace the end of ruler over lever to check adjustment
F04F0JB
TYPICAL 1Install pump gauge tester to injector hose 2Injector
Pump testerInjector check valve should open at 19.4 kPa 4.7 (2.8 .6 PSI)NOTE: If the obtained pressure is too low, the check valve is leakingIf it is too high, less fuel will be delivered which may lead to engine hesitation under acceleration