Fuel Pump - Sym GTS 250 Service Manual

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4. Fuel System

Fuel Pump

Clamp
Inspection
Remove the left side cover and floor panel side
cover.
Warm up the engine and adjust idle speed.
Remove fuel hose from carburetor and then wait
for 5 minutes.
Measure the output of fuel pump. Its output time
is 10 seconds.
Output quantity: Min. 20 c.c.
If the output quantity is lower than 20 c.c., check
fuel hose, vacuum hose and fuel filter.
2 nuts
Outlet tube
Removal / Installation
Remove floor plate.
Remove fuel inlet, outlet and vacuum tube.
Remove 2 nuts and fuel pump.
Install the fuel pump in the reverse order of
removal procedures.
Vacuum tube
Inlet tube
4-13