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can someone tell me how the fuel enrichment system works thanks in advance
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it gives the engine more fuel...
what model engine are we dealing with?? -
Yes, need to know the model.
Some models use choke plates, some use solenoids, some pulse the fuel injectors longer, some use an electro-thermal valve, ...Comment
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it is a Yamaha 225 hp model 1995 225tlrtComment
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it works well.Comment
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it gets fuel from the top carb bowl
it has two solenoids
dose the key switch activate it?
or dose the key switch activate something on cpu and it activates it?Comment
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when I lift the red lever on the side it only has fuel coming out of one hose (it has 3 hosesComment
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the top fuel pump is the enrichment pump.
it draws fuel from the top carb.
the ECU controls the soliniods.Comment
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The enrichment system on the 90° 225HP engines (1990 - 1995) is con*****ed by a microprocessor. The choke switch and choke valve system have been eliminated. Temperature and throttle position are monitored and enrichment is automatic. An electromagnetic valve unit with a pair of injectors with different diameters are used to provide enrichment. Timing advance is also con*****ed by the microprocessor, thus eliminating the need to advance the throttle during startup.
Need to know more or is this enough?Comment
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ecu ??????????????????Comment
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so I don't have to push in on the key switch to activate itComment
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where would I find the microprocessorComment
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It's the CDI unit under the black plastic cover on the back of the block.Comment
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ok thanks if there is something wrong with mine is the some were I can seed it to be fixed (they don't offer any new ones)Comment
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