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Rough idle 2 cycle outboard

Rough idle at any engine speed up to full throttle. At full throtle engine runs smooth and is very strong and responsive. Below full throttle very rough, engine shakes but does not stsll out.

Research, Knowledge and Information :


Talk:Two-stroke engine - Wikipedia


Engines that idle rough after ... Bombardier and Rotax both have direct-injection marine outboard 2-strokes that run on straight ... 2 cycle have lube oil in ...
Read More At : en.wikipedia.org...

Root cause of Mercury 2-strokes' rough idle Page: 1 - iboats ...


Hello All, My 90 ELPTO is quite rough at idle, even stalling occasionally. I've been told rough idle is the nature of the beast and is common for all Mercury 2 ...
Read More At : forums.iboats.com...

95 mercury 30hp 2 stroke running rough - YouTube


Aug 24, 2012 · 95 mercury 30hp 2 stroke running rough ... 30hp mercury 2 stroke outboard ... 1991 Mercury 75hp 2-stroke "knocking" or "banging" noise at idle ...

Curing 2-cycle Engine Problems - Instructables


Many 2-cycle engines have problems and are sent to the junk yard before their time. Typical problems include hard starting, rough running, a need to adjust the ...
Read More At : www.instructables.com...

The Problem With Classic Two-Cycle Motors - Moderated ...


--rough idle--rough ... Modern DFI 2-cycle outboard motors are generally lighter than 4-cycle ... One "problem" with classic two-cycle motors is the ability of some ...
Read More At : www.continuouswave.com...

I have a 90hp yamaha 2 stroke o/b, at idle it runs rough, as


How JustAnswer Works: Ask an Expert ... I have a 90hp yamaha 2 stroke o/b, at idle it runs rough, as if it is misfiring, it coughs and then stals.
Read More At : www.justanswer.com...

My outboard engine on my pontoon starts but idles rough and


My outboard engine on my pontoon starts but idles rough and - Answered by a verified Marine Mechanic. ... Idle speeds and initial acceleration are especially important.
Read More At : www.justanswer.com...

After i adjusted low speed idle out 2 more turns - YouTube


Apr 20, 2012 · Changed out a wire on the harness that was jacked up. Also turned low speed idle out 2 more turns as suggested by someone on iboats. Seems to be OK.

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