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  How much does the Merc 200EFI smoke?

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Author Topic:   How much does the Merc 200EFI smoke?
SuburbanBoy posted 08-04-2003 11:37 PM ET (US)   Profile for SuburbanBoy   Send Email to SuburbanBoy  
Do we have an excessive smoker? I have heard many good things about the 200 EFI Merc. And I have some questions, how much does it smoke at idle or no wake speeds (<1,000 rpm). What are its low speed characteristics? Does it foul plugs? It offers a lot of power for its weight, and at a price less than $10,000. Some day this may become a "classic" as well. I think it would be great on the tail of a 18 Outrage or GTX. Hold off all of you safety mongers. I don't fish, just cruise and much water sports activity, many times towing two or three on tubes or water skiing.


Swellmonster posted 10-14-2003 09:58 AM ET (US)     Profile for Swellmonster  Send Email to Swellmonster     
If it aint smok'en, it must be broken.
My 225 efi smokes too much, sometimes hot or cold, other times its not an issue.
However, its still under warranty and is going in for service.
lhg posted 10-14-2003 02:32 PM ET (US)     Profile for lhg    
As the owner of two, I can say they are GREAT engines. Plug fouling is non-existant, and they are smooth, responsive and extremely powerful for their 2.5 liter displacement. I would guess they put out more than 200HP. In racing version, they run at 260 HP.

Like most 2-strokes, they do smoke considerably on the turn-key start-up, but I think this is a function of the design of Mercury's oil injection system. My previous carbed 200's were the same.

After idling for a few minutes, the smoke disappears. Idling along in no-wake zones or trolling, smoke is barely noticeable.

There are many photos of my boat at idle speeds in the Rendezvous or Sail Logs section where you can observe the smoke output of these engines.

They are extremely quiet running engines, incidentally. Much quieter than the 4-strokes or DFI's.

Highly recommended.

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