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200 hp Johnson smoking like a train
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Mike G
Posts: n/a
In article . com,
says...
Hello group,
I just purchased a boat with a '91 200 hp Johnson. Been doing some
work on the boat and now have moved onto the engine. I test drove the
boat and it ran fine. Had lots of power and got on plane fast. Idle
fine, but smoked more than I liked. This week I started to do some
work on the engine. I changed the plugs (NGK), water pump, gear lube,
and some fuel line. I did put some regular hose clamps on the fuel
lines. I go to start the engine and it fires up, but starts to smoke
REAL bad. Clouds of white/blue smoke and oily water pouring out of the
hub. It will not idle, but will run above 1200 rpms. So much smoke
that the cloud of oil takes 5 minutes to clear the house, yikes!! I
did reading in the Seloc manual and figure that I have some air leaks
in the fuel line.
I took a look at the fuel lines today. They look wet, so I must be
sucking in air right? My first plan is to put new hoses and clamps in
and hope it solves the problem. Where do I find those oem fuel clamps?
Where else should I look for problems?
I did read about taking the VRO out, but I would like to keep it. I
want to run a 4 stroke 9.9 off the main tank and pre mix would kill
this idea.
TIA,
-Terry Quan
Was out a couple of weeks ago and had some trouble restarting the
engine. When it did catch it wouldn't idle, was pouring out smoke like
crazy and by the time I got back to the dock I'd used more then twice
the usual amount of oil I would normally have.
The problem was simply that the electrical connection controlling the
the VRO had worked loose and the unregulated flow was giving me a super
high oil mix to the engine.
Check yours for connection and possible corrosion interfering with the
control signals.
As for the fuel lines. If you have to prime the engine to start it by
squeezing the bulb till it is hard do so then let it sit. If you have an
air leak in the system you will lose pressure in the system and the bulb
will get squeezable quickly rather then holding the pressure.
--
Mike G.
Heirloom Woods
www.heirloom-woods.net
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