[Rhodes22-list] Another ethanol-related failure point

Sat Aug 15 12:49:09 EDT 2009

Rick,

My Suzuki 2 cycle is a '79, looks awful and runs like a top!  Best side 
benefit - no one would even think of stealing it!

Mike
s/v Shanghaid'd Summer ('81)
       Nissequogue River, NY

From: "Rick"  Saturday, August 15, 2009 11:51 AM
> All this talk of outboard problems makes me appreciate my noisy, smelly 
> two
> stroke Evinrude even more.
>
> Ethanol?  What's that?  Does it dissolve oil? Then no prob.  Old stale gas
> dissolves oil, too.
>
> In 12 years it has been cleaned twice by falling off the boat due to motor
> mount failure.  Just stick it back on the boat it it runs fine, just looks
> better.
>
> Rick
>
> On Sat, Aug 15, 2009 at 10:35 AM, <cjlowe at sssnet.com> wrote:
>
>> Dave,
>>
>> I had trouble with my Nissan 6hp last year.I emptyed out the fuel line to
>> the tank and put a capful of sea foam in the line and treated the
>> tank.After a mile of running,it started to run better,when I went to set
>> the anchor for the night,I really wound it out.The next morning it
>> wouldn't even fire,took over two hours to sail back to the marina in
>> almost no wind.All pissed off,I signed the work order to have the marina
>> work on it. Two days,$50 and 1 spark plug later it was running like a
>> champ,and has ever since.
>> Three things I believe-
>> 1- seafoam works,I treat every tank,might just ward off problems.
>> 2- after fuel problems,change spark plugs,ten bucks and ten minutes is
>> cheap insurence.
>> 3- I believe I'll go sailing now,have a good weekend.
>>
>> Jerry Lowe
>>
>>
>> > Dave,
>> >
>> >>From what you just said, it could also be an ignition problem.  Fouled
>> >> plugs
>> > generally result in poor starting or rough operation at power and idle.
>> > They usually don't get better and worse by themselves.  Look for an
>> > electrical problem.
>> >
>> > I, too, am on a mooring and usually put my R22 on the trailer if I want
>> to
>> > work on the engine - it's better than diving in after tools and parts 
>> > in
>> > 12 - 20 feet of water.
>> >
>> > Mike
>> > s/v Shanghai'd Summer ('81)
>> > Nissequogue River, NY
>> >
>> > From: <david.walker5 at comcast.net> Friday, August 14, 2009 6:42 PM
>> >> Mike
>> >>
>> >> Thanks for the input. The clogged jet was a guess from a yamaha 
>> >> mechanic
>> >> after a description of the symptons. Half throttle and above seems to
>> >> run
>> >> ok. Below that it will run at speed for awhile then drop to a poor 
>> >> idle
>> >> then pop back to normal a few minutes later
>> >>
>> >> I'm thinking possibly one fouled plug. I'm on a mooring so work on the
>> >> motor is tough until I pull her in October
>> >>
>> >> Dave
>> >> Sent from my Verizon Wireless BlackBerry
>> >>
>> >> -----Original Message-----
>> >> From: "Michael D. Weisner" <mweisner at ebsmed.com>
>> >>
>> >> Date: Fri, 14 Aug 2009 18:03:34
>> >> To: The Rhodes 22 Email List<rhodes22-list at rhodes22.org>
>> >> Subject: Re: [Rhodes22-list] Another ethanol-related failure point
>> >>
>> >>
>> >> Dave,
>> >>
>> >> Obviously you need to store the Yamaha O/B outside and try clearing 
>> >> snow
>> >> with it.  A winter operation should cure the problem if the engine 
>> >> knows
>> >> what's best for it - so much easier to move water in the warm weather 
>> >> or
>> >> is
>> >> it?
>> >>
>> >> Seriously, are you sure that the idle jet is clogged?  If the inlet
>> >> valve
>> >> fails to seat, the fuel bowl will continue to fill, preventing normal
>> >> idling.  Usually it stalls at low speeds due to flooding if this is 
>> >> the
>> >> case.  This is just the opposite of John Lock's problem where the 
>> >> inlet
>> >> valve stuck closed, cutting off the fuel so that once the bowl was
>> >> empty,
>> >> the engine quit.  Both conditions may permit the engine to run 
>> >> normally
>> >> with
>> >> partial to full throttle since the engine is either using the fuel at
>> >> the
>> >> rate that it is entering the bowl (valve stuck open) or the float 
>> >> never
>> >> closes the valve (sticks when closed.)
>> >>
>> >> If the idle jet is indeed clogged, check out everything after the fuel
>> >> filter looking for a source of gunk or varnish and be sure to replace
>> >> the
>> >> filter after servicing.
>> >>
>> >> Mike
>> >> s/v Shanghai'd Summer ('81)
>> >> Nissequogue River, NY
>> >>
>> >> From: <david.walker5 at comcast.net> Friday, August 14, 2009 5:41 PM
>> >>>I too am having OB problems with my Yamaha 9.9. Will not idle and 
>> >>>speed
>> >>>hunts up and down. Prelim diagnosis is a clogged idle jet. I don't
>> >>>understand why small OB's are so finicky. I have a Honda snow blower
>> >>> that
>> >>>is 15 years old never been worked on never had gas additive never had
>> >>> the
>> >>>gas run out at the end of the season and has always stored outside 
>> >>>and
>> >>>has
>> >>>never failed to start on the first pull and run perfectly.
>> >>>
>> >>> Dave
>> >>> Sent from my Verizon Wireless BlackBerry
>> >>>
>> >>> -----Original Message-----
>> >>> From: John Lock <jlock at relevantarts.com>
>> >>>
>> >>> Date: Thu, 13 Aug 2009 15:27:32
>> >>> To: Rhodes 22<rhodes22-list at rhodes22.org>
>> >>> Subject: [Rhodes22-list] Another ethanol-related failure point
>> >>>
>> >>>
>> >>> About 2 weekends ago my trusty Nissan 8hp outboard quit while we were
>> >>> motoring home under windless skies.  Fortunately not too far from 
>> >>> home
>> >>> and we got a tow in.
>> >>>
>> >>> Fiddled with it a while and could get it to run for 15-30 seconds or
>> >>> so and then it would just die.  Checked tank vent, filter, fuel line
>> >>> and confirmed that fuel was flowing freely all the way up to the
>> >>> carburetor.
>> >>>
>> >>> Having a little experience with outboard repair, I took the 
>> >>> carburetor
>> >>> off and dismantled it.  On closer inspection I realized the float
>> >>> valve was sticking up - in the closed position.  So, it would let 
>> >>> fuel
>> >>> into the carburetor until it closed and then never opened again.  The
>> >>> engine would use up what was in the float bowl and quit.  A couple
>> >>> raps on the side with a screwdriver would sometimes knock it loose 
>> >>> and
>> >>> let fuel come in again.
>> >>>
>> >>> So... the problem was obvious but the cause was more insidious.  The
>> >>> float valve (also called the needle valve) has a rubber tip that 
>> >>> seals
>> >>> the fuel inlet opening when the float rises and the carb bowl is
>> >>> full.  But ethanol had degraded the rubber tip, making it soft and
>> >>> sticky.  The float would push it up in the valve chamber and the
>> >>> rubber would deform and stick in the narrow opening.  So, no more 
>> >>> fuel
>> >>> coming in until it got knocked loose again.
>> >>>
>> >>> Strangely, the other rubber parts seemed to be in good condition. 
>> >>> But
>> >>> I ordered a carb kit and replaced everything anyway.  Now tt's back 
>> >>> to
>> >>> its usual smooth running self.
>> >>>
>> >>> Another thing to check if you have fuel-related problems...
>> >>>
>> >>> Cheers!
>> >>> John Lock
>> >>> ~~~~~~~~~~~~~~~~~~
>> >>> s/v Pandion - '79 Rhodes 22
>> >>> Lake Sinclair, GA
>> >>> ~~~~~~~~~~~~~~~~~~
>> >>>
>> >>> __________________________________________________
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>> >>>
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>> >>> __________________________________________________
>> >>>
>> >>> __________________________________________________
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>> >>>
>> >>> For the list Charter and help with using the mailing list and 
>> >>> archives
>> >>> go
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>> >>> __________________________________________________
>> >>>
>> >>>
>> >>
>> >>
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>>
>>
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>>
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