Question about Craftsman 42 in. Deck 19.5hp Lawn Tractor

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I've got a 2004 18.5hp rider model#917.273811 with the gas tank under seat. The thing is gravity feed but the way the fuel line is routed seems wrong from the factory. Not enough drop for a good siphon for a gravity feed system. Motor starves for fuel. How about a fuel pump?

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When I engage the the lever for the blades to work, they dont always work. I have to engage several times or put the mower in gear and pop the clutch to get them to work. Any ideas?

Posted on Apr 07, 2011

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Are you certain there is no fuel pump? Is this a briggs 18.5 engine?

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Posted on May 02, 2010

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1 Answer

Is there a fuel pump


Because the gas tank is under the seat there just about has to be a lift pump to feed the carburetor. On your tractor setting in the seat on the left hand side above the valve cover bolted to the flywheel shroud. It is a vacuum pump, not mechanical or electric. If you follow the rubber gas line to the tank you should also find a fuel filter .
fuel-pump-p2i0p3ef132mr30dht4rndtd-4-0.jpg

fuel-pump-p2i0p3ef132mr30dht4rndtd-4-2.jpg

Apr 17, 2016 | John Deere D140 22HP V-Twin Foot Pedal...

1 Answer

Mower will not start found the fuel solenoid really hot is that normal Iam not getting gas to the carb I need help


are we sure were talking the correct models , as im not in the knowedge that Jd series 100's to have fuel solenoids as I don't see how they gravity feed themselves as tank is under the seat (lower than engine ) no what I suspect you see is a fuel pump , some are engine vacuum activated but the last bit of the series used electric pumps ( I like these better) if no gas is reaching the carb , 1st replace the filter , then try bypassing the fuel tank and draw fuel right from a can of gas to pump then carb to test it , as its very common to develop cracks in fuel line on those models as it runs under seat , it's much easier to draw air in thru cracks than it is to draw gas up from tank , so that's what it does

Jan 10, 2016 | John Deere Original 130 160 165 175 180...

3 Answers

Need to know what 3 lines from fuel tank go


The pump line, or feed line, goes to the fuel filter and then to the engine's fuel rail. A return line leaves the fuel rail and sends gas back to the tank. Usually, the feed line is slightly larger than the return line, not always.
The third line is a vent line for emission controls-routing gas fumes from the tank to the charcoal canister, where it is stored and later sent to the engine to be burned.

May 31, 2015 | Cars & Trucks

2 Answers

917 289104


Odd that it has had the issue since new. Could be the gas cap vent is plugged. Maybe paint over the vent hole? When it stalls, open the cap and listen for air entering the tank. Does it quit after running it for a while? Or does it quit regardless of run time when the tank is less than half full?

Nov 26, 2013 | Garden

1 Answer

Stalls out


I own this generator and have the same problem. There is a design flaw that is likely the culprit. The engine uses a gravity fed fuel system. That's all well and good but that means the fuel must be above the highest point in the fuel line to feed properly. The easiest thing to do is completely fill your generator when you use it and it will die with 2-3 gallons of fuel remaining. If you want to fix the issue you will need to reroute the fuel line to be below the base of the tank for its entire length.

I have experimented with multiple fuel levels and fuel line configurations. I have also left the gas cap loose and removed fuel filter per recommendations from others. The base of the fuel tank on my unit is roughly 15.5 inches. The fuel valve is at 16.25 and the highest part of the fuel line is over 17! That simply will not feed fuel when the tank gets below 4 gallons and the generator will stall. Bad design by Ridgid on the fuel line routing. Only about a 30 minute fix though with some fuel line, cable ties and a small tool set.

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1 Answer

Need to replace all gas lines


  1. Empty the fuel tank on the chainsaw of any remaining fuel. Pull the cap from the tank and turn the unit upside down. Drain the fuel into an approved fuel container. If the fuel is old (more than about a year) dispose of it according to local regulations for hazardous materials. (It can be kept longer by adding a fuel stabilizer.)
  2. Pull the fuel line where it attaches to the carburetor using the end of the needle-nose pliers. The old fuel line may take some force to pull free from the metal tube.
  3. Push on the fuel line to feed it into the fuel tank. Hold the chain saw upside down. Shake the unit to get the fuel filter into the opening of the tank. Pull the filter free of the tank. Feed the remaining fuel line through the access hole at the bottom of the tank. Dispose of the filter and old fuel line in accordance with disposal regulations.
  4. Feed one end of the new fuel line into and through the bottom access hole of the fuel tank. Push approximately 6 to 8 inches into the tank. You can pull back any excess line later. Grab the end of the plastic line with the needle-nose pliers. Bring the line through the gas tank fill opening.
  5. Attach the new filter to the end of the new fuel line. Feed the filter back into the fuel tank. Pull any excess line from the tank. You will want approximately 3 to 4 inches of fuel line inside the tank.
  6. Route the new fuel line to the carburetor. Cut the line to length with the cutters on the needle-nose pliers. Attach the line to the metal tube.
  7. Fill the fuel tank with fresh gas-oil fuel for 2-stroke engines and start the chainsaw. It may take a few pulls to prime the new line with fuel.
  8. Some models come with a priming bulb. Make sure you press the priming bulb three to four times before trying to start. This will prime the gas lines and remove any excess air trapped in the lines.

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1 Answer

Craftsman Brush Wacker routing of fuel lines Model 358-795200 Was laying in bottom of top mount gas tank


Use new fuel line. There should be two things (besides fuel line) in the fuel tank. The small line has a (1) fuel filter attached and is routed to the lower outlet on the carb. This is the fuel supply line. Make sure there are a few inches of it inside the tank. (say enough to reach other side of tank). The larger line should have a (2) nylon connector inside the tank holding it. The connector stays right at the tank hole. That larger line goes to the closest outlet on the purge bulb. The other fitting on the purge bulb should have a larger line that connects to the upper fitting on the carb.
Feed enough length of fuel line thru tank holes to pull them out where cap is to put on the filter and nylon connector...then pull them back thru. WD-40 will aid in this procedure or any light oil.

Jun 10, 2010 | Craftsman Garden

1 Answer

Ryobi Gas trimmer fuel line routing


The fuel fillter line goes directly to the carb.inlet first
the outlet on carb.
goes to suction side of primer and outlet side of primer back to tank
primer draws fuel through carb. to prime

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1 Answer

Leaking Fuel tap (petcock)


This sounds like a vacuum lock pet ****. 3 position? run, prime,and reserve? If you have it on pri, You will fuel running or not. If set on run, then you will only pass fuel when engine is running, and of course res. when tank is used up. Is this leak at the valve? or from the tank or internally flowing? Tis should also be a gravity feed fuel system, please correct me if I'm wrong. good luck. Long fuel lines are not prefered on gravity feed systems.

May 20, 2009 | 1986 Honda VT 500 C Shadow

2 Answers

42 inch Craftsman carburator not getting any gas. You can spray quick start and will will fire. Does gas from tank gravity feed to filter?


gas tank gravity feeds fuel to the carb. if you pull the fuel line from the carb, fuel should flow out of the tube. if it does not, then either the vent hole on the gas cap is plugged or there are contaminents at the bottom of the gas tank preventing fuel from flowing into the fuel line.

Dec 14, 2008 | Craftsman 42 in. Deck 19.5hp Lawn Tractor

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