Yamaha 9.9 year 2008

northern

Well-Known Member
Jan 17, 2007
3,526
Anacortes Washington
Boat Info
380 Aft Cabin 1989 Charts Timezero radar Furuno
Engines
Twin 454 strait shaft
Not on aSeaRay.
If any one has this engine on a dinghy and it does not idle you probably have dirty carburetor. We have this engine as a fishing motor on the jetboat and it would not idle. I ran a can of Sea foam through it and it got a little better. I took the carb off and cleaned it. It was 99% clean except for a few black flecks in it. Took 2 hours from start to finish. Used half a can of carburetor cleaner and have a compressor so blew out all the areas. Without compressor do not think I would have got the black flecks out.
 

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