MS150 carb question

[redoakneck]

Is there a non plastic diaphragm for this Saw's carb??

I keep having carb issues and suspect it is that blue plastic diaphragm

Any better carb than the stock one??

 

[merc_man]

Is there a non plastic diaphragm for this Saw's carb??

I keep having carb issues and suspect it is that blue plastic diaphragm

Any better carb than the stock one??

Whats the isue your havin?



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[redoakneck]

Seems like it keeps starving for fuel, I clean the carb, gets better for a few tanks, then same issue. I have flushed the tank. Now only using canned fuel for that saw, it is small, so not a gas guzzler

 

[redoakneck]

Screen always looks fine in the carb

 

[redoakneck]

Looks like tillotson hu-133A is a replacement for the zama

 

[Majorpayne]

Screen always looks fine in the carb

Have you changed the filter in tank? I have replaced some that look ok but after replacing the saw would run like it should.

 

[redoakneck]

Have you changed the filter in tank? I have replaced some that look ok but after replacing the saw would run like it should.

I will replace that too, had a batch of bad gas develop in that saw, ain't been right since

 

[Majorpayne]

I blew one out with compressed air and it had slimy stuff in it.

 

[merc_man]

Try soaking the carb ovee night in cleanee. Are you usong chinese crap rebuild kit?

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[bikemike]

I have found carb cleaner in the spray can can cause those parts to get stiff. I use brake clean and seems to work better imo. Has it been modded in any way?

 

[bikemike]

How many tanks of fuel has it suckEd down. The saws can be finicky when new and also they do not have the carb heat if I recall correctly so a carb can frost up in cool temps.

 

[merc_man]

I have found carb cleaner in the spray can can cause those parts to get stiff. I use brake clean and seems to work better imo. Has it been modded in any way?

You use brake cleaner for cleaning carb? I got an endless supply of that.

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[bikemike]

You use brake cleaner for cleaning carb? I got an endless supply of that.

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Yes thats all I use on diaphragm carbs now. Had a few that seemed ok before cleaning with carb cleaner. Seemed like it dried up diaphragms and didn't run after that. Had never encounter the same issue with brake cleaner yet

 

[67L36Driver]

The stiff blue plastic diaphragms suck.

Actually, don't suck well enuff.

Find an old carb kit with the rubber fabric to replace it.