yamaha 115 '01-03 running rough

running rough, cuts off now and then when idling but cranks back up runs great one bumped above idle speed??? spark plugs?

help

19’ Key West CC 140 Johnson
16’ War Eagle 40 Yami
12’ Alumacraft 1954 Johnson 5.5

can you swim 5 miles? “NO” then what is the difference in 5 miles and 50 miles!!! Go for it!

Carbs

'06 Mckee Craft
184 Marathon
DF140 Suzuki

Definitely check the carbs. Mine did the same thing when they were gummed up. A good cleaning should help.

Don’t have a knack for makin motors crank,
But I’m pretty good at drinkin beer

The best way to a fisherman’s heart is through his fly.

2002 Florida Skiff
90 Merc.

2 or 4 stroke? My 03 4 stroke 115 was idling low and the isc valve and throttle plates needed cleaning.

11 Bowtech Destroyer
Remington 700 30-06

Sorry should have mentioned 4 stroke

19’ Key West CC 140 Johnson
16’ War Eagle 40 Yami
12’ Alumacraft 1954 Johnson 5.5

can you swim 5 miles? “NO” then what is the difference in 5 miles and 50 miles!!! Go for it!

How hard is it to clean those parts. I’ve rebuilt quite a few carbs but never really done much work on 4 strokes

19’ Key West CC 140 Johnson
16’ War Eagle 40 Yami
12’ Alumacraft 1954 Johnson 5.5

can you swim 5 miles? “NO” then what is the difference in 5 miles and 50 miles!!! Go for it!

Not hard to clean, but a pain to get to. First thing you need to do is see if your isc is reseting itself when you turn the motor off, it should make a faint rattling noise for 2-3 seconds after you turn the motor off.

11 Bowtech Destroyer
Remington 700 30-06

your motor is a fuel injected computer controlled engine
could be a dirty injector, faulty throttle position sensor, bad ISC valve, bad engine temp sensor…
need to find the problem before you start changing parts that arent broken. gets expensive fast doing that

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