Question about Troy Bilt, Tuffy, Rear - Tine Tiller, 4.0 Tecumseh Engine

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The primer bulb hose

Where does the primer bulb hose get connected on the tacumseh 5 hp snowblower engine?

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  • dolorespeter Jan 03, 2009

    thank you- that worked!

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Depending on how the carb is set up, when your looking at the front of the carb if you see a small nipple on the right side of the intake close to the bowl that is it. If there isn't one on the right then look to the left side of the intake, if there is two on the left side it's the top one

Posted on Jan 03, 2009

  • Mark Tripp
    Mark Tripp Jan 11, 2009

    Your very welcome, anytime

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1 Answer

Replaced fuel lines on my troy-bilt tiller and it ran great came back the next day gas in the lines and bulb was empty realized the bulb was cracked , i replaced the primer bulb and put everything bac


By the absence of the gas in the lines Sounds like the small hoses are cracked also, best to replace them..they do get brittle over time..best to change them periodicly... It can be a DIY job may have to loosen the carb to bend and get them on.a .very inexpensive part..and be bought at any shop or auto parts store..and not a big job for the repair shop..good luck

Sep 23, 2014 | Troy-Bilt Garden

1 Answer

Troy built trimmer fuel lines


normally the one nearest to fuel pump /primeer bulb is the inlet and the lower one is return
WHY can't you just connect hose to one and pump primer bulb to see what direction it goes ?

Jul 28, 2014 | Troy Bilt Tb20cs 2 Cycle 31cc Gas String...

1 Answer

Snowblower carburetor primer not pushing any fuel


Did you replace the fuel lines as well?; the rule of thumb is, when changing out the fuel lines- you should replace the primer bulb since they are a barometer of each others condition and wear.

If you did not remove the primer bulb from the carburetor when you were cleaning the component parts (and predicated that the primer bulb is mounted on the carburetor, as opposed to being mounted remotely from it)- the solvents used to clean the carburetor could have broken down the plastic or rubber material that makes up the primer bulb- hence suction leaks or complete failure.

If you did remove the bulb assembly, make sure you snugged everything up and there's a tight seal. I would still replace it anyway- they're inexpensive.

BTW, you mentioned you are using "fresh high grade fuel"- are you using premium grade gas? If so, save your money and use an 87 regular octane gas.

What you should be concerned with is- the use of ethanol. In many mid-western states, gasoline is blended with 10-15% ethanol- which can absorb water from the atmosphere and cause corrosion in the fuel system.

The money you save from buying regular unleaded could be used to buy a fuel stabilizer, which I highly recommend you use. Gas is only good for about 30 days and then the volatile compounds in it begin to evaporate- leaving brown gummy deposits that will eventually harden like varnish- which can plug up the fuel lines and carburetor.

Please let me know how you make out. Best wishes on your project.

Dec 06, 2013 | Tecumseh Snowblower Snow Blower Starter...

1 Answer

Tecumseh 5 hp snowblower carburetor adjustment


Having to run the engine with choke on indicates that there is an air leak somewhere in the fuel delivery. Check the gas line for cracks, and if your model has a primer, the hose from the primer to the carb may be cracked.

Dec 21, 2012 | Garden

1 Answer

Hello, my Ryobi 410r tiller/cultivator needed new fuel line so I bought the fuel line, return and a new bulb primer. Unfortunately, I can't remember what hose goes where!!! Specifically, I've...


The primer pulls fuel through the carbruetor
So take your return line from the carb. and hook it to the inlet side of the primer and the other side
of the primer bulb transtions into the fuel tank.
You know when you have hooked it up right when you press the primer it fills with fuel and dumps back into the tank.

Jun 16, 2011 | Ryobi Garden

1 Answer

Need to know fuel hose routes from fuel tank to carb


I will include routings for an on the carburetor purge bulb and a remote purge bulb.
The small diameter line out of fuel tank (has filter in-tank on end) connects directly to the side of the carburetor that has the fuel pump....that is the cover without the hole in it. Other larger diameter fuel line out of tank connects to the longer nipple on the external purge/primer bulb. The bulb "pulls" fresh fuel from the fuel tank to the carb and then out of the carb to itself, where it then "pushes" any air/old fuel back into the fuel tank. The remaining larger diameter fuel line in this setup goes from the metering chamber (has cover with writing on it and a vent-hole) side of the carburetor to the smaller nipple on the purge/primer bulb. Again, on the primer bulb, the longer nipple has a line going directly from it to the tank. This is the return line. The shorter nipple on the bub has a line from it going to the metering chamber side of the carb. If the purge/primer bulb is on top of the carb...small line from carb body to small hole in tank with filter. Larger diameter line goes from the bulb on the fuel pump side of the carb to the larger hole in the fuel tank where sometimes the line is held in place with a nylon nipple connector that keeps the line from pulling out of the tank. Otherwise, the line should enter the tank for about 1/2" or so.

Apr 29, 2011 | Mtd Garden

1 Answer

I have a honda FG-100 It has a new carb on it but the primer bulb will not prime. blows bubbles back in the take but wont **** gas.


Hi there,

This happens all the time. The hoses leading to the primer bulb are on backwards.

Switch them and you'll be fine

Mike

May 16, 2010 | Honda 25cc 4-cycle Mini Tiller

1 Answer

How to start a Troy Bilt Tiller


make sure there is fuel and oil in the engine. There should either be a choke lever/setting or a primer bulb. Push the primer bulb, if there is one, or choke the engine. Make sure it is in neutral, and pull the starter. Should be all there is to it. If there is other info that is causing the machine not to start, please tell model number and what you have done in trying to start.

Jan 24, 2010 | Troy Bilt Pony 6.5 Hp Rear Tine Tiller

1 Answer

There are two hose/line openings in the gas tank of my Ryobi 410r cultivator. Where and which do these two lines go to? Which of them goes to the primer bulb? Also, there are two lines to/from the primer...


IT SOUNDS LIKE A TWO CYCLE ENGINE TO ME. THE HOSE GOING TO THE PRIMER BULB GOES TO THE HOSE THAT SITS ON THE TOP OF THE TANK AND DOEST GO IN FAR AT ALL AND IS USUALLY THE BACK. THE OTHER HOSE GOES IN THE NID PART OF THE TANK OR THE PART THAT THE GAS IS AT ITS HIGHEST POINT IN THE TANK WHEN THE UNIT IS IN THE POSITION MOST LIKE IT IS WHEN IN USE USUALLY THIS HOSE HAS A SMALL FILTER IN THE TANK. THIS SYSTEM OPERATES ON PRESSURE. WHEN YOU PUMP THAT BULB, IT PRESURIZES THE TANK FORCING GAS UP THROUGH THE OTHER LINE TO THE CARB. IF YOU ARE SYING THERE IS A 3RD HOSE HMMM, THAT PROBABLY GOES TO THE MIDDLE PART OF THE CARB
REGARDS

Jun 30, 2009 | Ryobi Cultivator

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