Yamaha 4 stroke runs rough in gear

flyfisher69

Recruit
Joined
Jun 13, 2017
Messages
1
just put my pontoon in from storage. Have 2013 Yamaha f-70. Runs rough and surges in gear. Runs smooth out of gear. Never has had ethanol gas in it. Never had a problem with this engine.Any help would be much appreciated. I don't know what to look for. Thanks
 
Top