Onan 16hp BF-MS Carburetor

Gary from Muleshoe

Well-known Member
My Onan in my Sear SS16 is running way to rich at high rpm. Runs fine at idle and up to about half throttle beyond that it acts like it is under a huge load. With breather cover off I can see the jet is just dumping fuel in, so much so the the breather cover is wet with gas. Where can I get a kit and new jet at reasonable price? Ebay is way over priced for used carbs and no kits available.
 
A few years ago I needed a bowl gasket for a P218 Onan carb. A carb. kit with a float needle only, 2 gaskets and an o ring was $190.00. I made my own, took a little time but it works.
 
Very simple carb to clean. If you do need parts let me know. I have a friend that bought out an Onan dealer. He may have the part.
 


Sir, I am in NEED of a replacement carburetor Float for my 16 HP Onan..

This one has an original Foam Float and it is sticking no matter what I try..

Could you have a New replacement ( Metal ) Float and rebuild kit...or a new replacement Carb..??

This is in an Original Bolens QT-16 Mower/Garden Tractor..

If you need serial Numbers, I will get them for you..

Thank you..
 
gary
there should be a DD xx # on the back of the carb.
11, 15 etc.
also need to know if your carb has the fuel
pump mounted on the carb,
or if yours is mounted on the cowl.
[email protected]
651 437 2826 M-F 10-7 S-S 12-6 cent time.
thank you boomer ( the used onan engine parts guy,also NOS and new )
 
Thanks Boomer, it will be Saturday before I have a chance to look for those numbers. It does have the fuel pump mounted to the card. The Sears part # is 142-0531. Engine serial # is BF MS/2379B.
 
Well guys I took the carburetor apart yesterday and cleaned it up. Put it back together and it ran great for a while. Then it started the same thing again. I am convinced it is the float sticking. Going to pull it apart again tomorrow and see. I have to anyway cause I forgot to read the numbers yesterday. Today is family time. Merry Christmas to all.
 

Are the replacement Plastic floats ( to replace the U-shaped Foam Float)..?

I have not found any... ( for Onan 16 HP engine..)..

What I have learned, once that Foam float starts to swell, it will keep swelling..

I have re-worked my float several times and it still swells and sticks..
 

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