I recently bought a 89 9.9 from someone that said they had serviced this year after sitting a number of years. Motor was a little starting 1st time but able to get it to run.
Was out this weekend and had problems again getting started. Would sound like it wanted to fire with choke on. But I would then push in choke and it would not start. Had to pull choke out a little to get it to start up and hold it there for a few seconds before it started idling on it own. Took off cowl and realized that when I pulled choked out a little it was actually increasing the idle up. When I would relase and put in gear it would die.
Set idle adjustment screw under cowl up higher and it fired up and would go in gear and run fine. Idle screw was set high enough that the slow idle adjustment on front of motor did not make any difference. Drove around for a couple hours shutting it and starting it when fishing. Fired up on first pull when warm. Thought I had it solved but went to take out an hour later and similiar issue (hard to start - had to manully rev up idle adjustment screw to get it to fire up). Then took it out the next day - fired up and ran good - although with adjustment screw set pretty high.
While I was messing with this I put a pint of Seafoam in tank and changed plugs. Don't think it made any difference.
In any case just curious what could be the problem in needing idle set high - and some of the intermittment issues with starting up.
thanks
Was out this weekend and had problems again getting started. Would sound like it wanted to fire with choke on. But I would then push in choke and it would not start. Had to pull choke out a little to get it to start up and hold it there for a few seconds before it started idling on it own. Took off cowl and realized that when I pulled choked out a little it was actually increasing the idle up. When I would relase and put in gear it would die.
Set idle adjustment screw under cowl up higher and it fired up and would go in gear and run fine. Idle screw was set high enough that the slow idle adjustment on front of motor did not make any difference. Drove around for a couple hours shutting it and starting it when fishing. Fired up on first pull when warm. Thought I had it solved but went to take out an hour later and similiar issue (hard to start - had to manully rev up idle adjustment screw to get it to fire up). Then took it out the next day - fired up and ran good - although with adjustment screw set pretty high.
While I was messing with this I put a pint of Seafoam in tank and changed plugs. Don't think it made any difference.
In any case just curious what could be the problem in needing idle set high - and some of the intermittment issues with starting up.
thanks
