1999 Volvo Penta "WT" Models Workshop Manual, Page 38Get this manual
Hard StartingCold Engine Ask these questions first:
Has Engine Always Done This? Check:
Carburetor choke operation and adjustment
Fuel lines for obstructions For debris inside fuel tank See ElectricalIgnitionFuel System Service Manual
Was Engine Used For Long Time? Check:
For clean external canister and carburetor fuel filters Empty carburetor float bowl due to evaporation
Water in tuel due to condensation
Fuel quality deterioration See ElectricalIgnitionFuel System Service Manual
Is This New Condition? Check:
Carburetor choke operation and adjustment