Bombardier SeaDoo 1990 factory shop manual, Page 82Get this manual
Section FEUL SYSTEM Sub-Section (TWIN )
Turn fuel valve to "OFF" position Disconnect impulse line from tee fitting Disconnect fuel supply line from automatic shut off valve Disconnect fuel return line from
ASSEMBLY
A assembly, pay attention to the following
side carburetor
20, MAG Carburetor, PTQ Carburetor
When installing carburetors pay attention on which side of oil pump mounting flange carburetors are to be lllocated To ensure proper installation, carburetors are identified on the side with MAG or PTO Refer to following illustrationMAG
Remove four bolts, lock washers from rotary cover then move carburetors and rotary cover together on top of engine