Hello,
The motor has great compression and spark. The carb is clean. It will idle and top out. The issue is unused fuel collecting around the carb and intake of the engine. It looks like carb blow back as well as a possible gasket leak where the reed plate attaches to the intake (very small leak there if any). My question is what could cause carburetor blowback on a johnson 9.5. I feel like the boat takes slightly longer to plane than it should because of slight fuel starvation. It by no means takes forever to plane just maybe a couple seconds longer than it used to. I took it out yesterday after cleaning all of the fuel around the intake and carb and came home to check it to find it wet with fuel again. There is no leak around the fuel pump. the possible areas start from the choke bowl towards the stern.
In the first picture you can see fuel on the intake, sprayed fuel on the oil return line and spark plug heat shrink
In the second picture you can see pooled fuel on the exhaust donut seal and the bottom of the block
In the third picture you can see the wet choke and shiny wet choke linkages.
Could it be a reed issue? If so how can I check them? I am all for any ideas on what could be causing this fuel excess.
The motor has great compression and spark. The carb is clean. It will idle and top out. The issue is unused fuel collecting around the carb and intake of the engine. It looks like carb blow back as well as a possible gasket leak where the reed plate attaches to the intake (very small leak there if any). My question is what could cause carburetor blowback on a johnson 9.5. I feel like the boat takes slightly longer to plane than it should because of slight fuel starvation. It by no means takes forever to plane just maybe a couple seconds longer than it used to. I took it out yesterday after cleaning all of the fuel around the intake and carb and came home to check it to find it wet with fuel again. There is no leak around the fuel pump. the possible areas start from the choke bowl towards the stern.
In the first picture you can see fuel on the intake, sprayed fuel on the oil return line and spark plug heat shrink
In the second picture you can see pooled fuel on the exhaust donut seal and the bottom of the block
In the third picture you can see the wet choke and shiny wet choke linkages.
Could it be a reed issue? If so how can I check them? I am all for any ideas on what could be causing this fuel excess.
