motor bogging

[keepitgreen05]

did you have the same problem it would run fine at home with the muffs hooked up but once in the water it was a total different story.......if i run it for 10min do you think it will burn it out

[Destroyer]

Originally Posted by keepitgreen05

did you have the same problem it would run fine at home with the muffs hooked up but once in the water it was a total different story.......if i run it for 10min do you think it will burn it out

Not sure what you mean. As long as an engine has cooling you can run it as much as you want, but if you're running it with muffs in the driveway DO NOT take the RPM's over 1500. Letting it sit and idle is fine. Have you tried using SeaFoam in your gas?

[spareparts]

have aome one o thur your carbs and set them up roght. A carb job on an outboard needs to be done every four to five years. I've got 18 carbs sitting on my bench right now waiting for me to rebuild(BTW, every one of them is a Yamaha)

[captpete13]

Originally Posted by spareparts

have aome one o thur your carbs and set them up roght. A carb job on an outboard needs to be done every four to five years. I've got 18 carbs sitting on my bench right now waiting for me to rebuild(BTW, every one of them is a Yamaha)

I feel your pain Spare. Most of the carbs I do are Yammies. The jets are much smaller and clog easier. Have you ever messed with F40 carbs. They are an absolute nightmare. The best thing they ever did was to make that motor an efi

[THEFERMANATOR]

Originally Posted by captpete13

I feel your pain Spare. Most of the carbs I do are Yammies. The jets are much smaller and clog easier. Have you ever messed with F40 carbs. They are an absolute nightmare. The best thing they ever did was to make that motor an efi

I've got a HONDA sitting at the house right now waiting for me to do the carbs. I don't know how bad the YAMAHA's are, but try doing a HONDA sometime. 4 different fuel circuits in them, and they are so small you can't hardly get a torch tip cleaner through the jets to clean em out. Not to mention the whole intake has to come off to do the carbs as the intake wraps around the whole starboard side of the engine block. As for the OP, be careful with those 140 carbs as they are plastic and most carb cleaners will dissolve them to puddy if you aren't careful.

[spareparts]

One set is off of a F40. The ultrasonic doesa pretty good job cleaning them, If I think they aren't clean enough, I let them sit in the Yamaha cleaner over night. I just got my new set of sync gauges. I've been borrowing a set, figured it was time to but a set

[THEFERMANATOR]

I still need to buy a set of guages yet, I don't do enough of em to really justify it so I've just been using a vacuum guage. It gets em pretty close, but takes FOREVER.