Vapor Separator Float Test - Mercury 225 EFI Service Manual

3.0 litre work, electronic fuel injection

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FUEL INJECTION

Vapor Separator Float Test

NOTE: If squeezing the primer bulb in the Vapor Separator Fuel Delivery Test previous

provides adequate fuel to the vapor separator, the vapor separator float, needle and seat

is functioning properly and the following test does not need to be performed.

Purpose: This test will indicate if float is stuck in the up (closed) position.

NOTE: If float is stuck down, vapor separator will over flow causing a rich condition.

1. Place emergency stop switch in OFF position to prevent engine from starting.

2. Turn ignition key switch to "START" position and operate starter motor for 15 to 20 sec-

3. Remove vapor separator drain plug and place a clean container under drain.

Results: If fuel flow is low or not present, remove, disassemble and inspect float assembly. See vapor separa-

tor disassembly.

90-884294 OCTOBER 2001

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