Bombardier SeaDoo 1998 factory shop manual, Page 186Get this manual
Section 06 FUEL SYSTEM Subsection 04 (CARBURETOR)
Connect clean plastic tubing to the valve inlet nipple and alternately apply pressure and vacuumThe check valve should release with pressure and hold under vacuum!
WARNING
Pump testerInjector check valve should open at 13 PSINOTE: If the obtained valve 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
Some fuel may be present in fuel pump
ASSEMBLY
When assembling pump, ensure to properly position components togetherRefer to previous illustrations if necessary
6,7, Choke Plate and Throttle Plate
When installing plate onto shaft, close plate so that it centers into carburetor boreFirmly tighten screws