Question about Craftsman 42 in. Deck 19.5hp Lawn Tractor

1 Answer

Not getting enough gas to the carb have to run choke 3/4 engaged

Will not run properly unless the choke is about 3/4 of the way pulled out. new plugs,new air breather, new fuel filter, gas tank taken off and cleaned out, gas lines blown out, tried to run without fuel filter no difference. just had the carb overhauled last year ( 2008 for the 3rd time ). The other times the carb was worked on gas would literally squirt out of the carb. Dave Feldewerth

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  • dfeldewerth May 24, 2009

    After cleaning the carb out for about the 6th time, plus getting the carb "repaired" 3 times at a $125.00 per time, I have found the solution.

    About 2 miles from my home there is a quarry that hasn't been used for years. I shoved the mower over the edge. I will not be aggravated by this piece of **** again. Thanks for trying anyway.

    D Feldewerth

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  • Master
  • 376 Answers

Sounds like a restriction in your carb, not getting enough gas. I would clean out the carb again.

Posted on May 23, 2009

  • Dwain Pippen May 24, 2009

    That's a permanent solution. lol

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1 Answer

Start up after sitting long time


After sitting a long time
1. drain all gas as alchol in gas absorbs water BAD!!!
2 mix new gas + oil correctly and fill tank
3 spray starting fluid in carb.
4 put full choke
5 set throttle
6 pull till engine pops
7 place choke to half choke and pull a few times to start
8 repeat steps 3 to 8 until running

Other problems are bad gas lines
problem with spark

Bottom line the engine should at least burn off the starting fluid
if it continues to stop the carb is going to be cleaned



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Your Air/Fuel Mixture is wrong.. Your carb is getting too much air and not enough fuel. Have you adjusted the jet screw setting? Does it have one?

Jul 19, 2013 | Motorcycles

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How do you start it?


what kind of mower is it?
For any mower you need to check that you have proper oil level, and that there is gas in the tank. If it is a riding mower there are a few things to know before you start. There are safety interlocks that have to be complied with before a start is permitted. The blades must not be engaged. Someone must be in the seat, and the brake must be fully engaged. Move the throttle to choke for starting (or pull the cable out if that be the case), start mower. Return choke to normal operating position.
For a push mower check your oil and fuel. Prime the carb. if necessary, push the button by the carb. until you are pushing fuel and then a couple more times. If it has a throttle cable put in choke position. Pull back on the safety bar. Pull cord to start. Throttle cable to normal running position, generally full throttle right before you start to engage the choke.

I hope this helps, if any questions just reply. Be sure you let me know what you did and what kind of machine it is.

If this is really helpful, please rate.

Jul 13, 2011 | Garden

1 Answer

Bike sat for 2-3 weeks. Will now start with choke, can give gas on choke but when off choke bike will not run - chokes out when throttle engaged. This is my first bike, no knowledge of engine.....


Carburetor issue. Most likely the pilot jet is plugged in one or both carbs. Remove the carbs as a set, remove the float bowls, remove and clean all of the removeable jets, (do not use wire to clean jets, use carb cleaner or the proper jet drills if you have/know how to use them). Reassemble and reinstall making sure that carbs seat fully in the manifold boots.

Oct 30, 2010 | 2004 Yamaha V Star Classic

1 Answer

This is a lawnboy mower about twenty years old and has run fine intil about a week ago. Now...after starting...It will surge up and down at full speed...then start to bog down unless throttle is placed...


drain all gas out of the tank and carb the new gas with 10% ethenal is ruining old gas engines after everything sits for a day install a plastic shut off valve in gas line. put high test gas with the seafoam then turn gas valve off after every use it will run good. then call your congressman and complain otherwise we will all be replacing any engine older than 4 years old

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1 Answer

I have a 1994 Intruder. It only starts and runs


The hot side is running way too lean. Have your carbs synchronized may help. Try draining the bowls. Good luck.

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Will not start. Has spark, gas,chain oil,on/off


If everything you say is true it is flooded. Have you tried the EXACT start procedure from the manual?
My 359 floods in a nano second if I leave the choke engaged once it attempts to start. The only other time it really gave me trouble was one time I failed to set then turn off choke when it was warm. Setting the choke also sets the fast idle. Pulling the starter with choke engaged floods it once it has fired. This should be similar to your Operator's Manual.
Start Procedure
Cold:
  1. Ignition on/off to on
  2. Set compression release – optional step even if saw is equipped with a compression release
  3. Pull (close) choke, set fast idle (done when choke closed on some saws); pull starter and listen for an attempt to start. once heard (usually two pulls; no more than 4)
  4. Set compression release – optional step even if saw is equipped with a compression release
  5. Push (open) choke pull starter until it starts. (usually first pull)
Warm:
  1. Ignition on/off to on
  2. Set compression release – optional step even if saw is equipped with a compression release
  3. Pull (close) choke, set fast idle (done when choke closed on some saws) - Don’t pull with choke closed.
  4. Push (open) choke, pull starter until it starts. (usually first pull)
Incase you've misplaced your manual:
HusqvarnaUSA.com
http://www.husqvarna.com/us/homeowner/support/download-manuals/
Enter the 3 digit model number (no XPs, Es, just the numbers)
Serial number decode – for use with IPL
06 1500198
06 = year produced – 2006 (single digit before 2000)
15 = week produced - March
00198 = 198th unit Husky produced that week


Nov 23, 2009 | Garden

1 Answer

My sons 50cc quad wont run properly, it has a auto choke and wot run unless i keep my hand over the air hole


The carb jets are clogged and in need of cleaning,when the jet clog,the engine doesn't provide enough suction to pull the gas through the clog,When you cover the breather hole,you force all of the suction from the piston's decompression stroke to the carb which allows it to **** the gas.

So to make a long story short.The carbs internal parts need cleaning.


Please take time to rate this fixya

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2 Answers

Ryobi 790r i have changed the gas line and the primer bulb . the primer will mash in 1 good time and then gets very hard to mash in . i fully choke it and it will crank but only for 3 seconds until it...


You cannot flood the engine by pushing the primer bulb too much, unless the hoses are hooked up backwards. The primer does not push gas to the carb, it sucks gas through the carb and returns it to the tank. Top barb on primer is the hose coming from the return side of the carb and the bottom fitting is the hose going to the return fitting on the tank. Look inside tank, it is the one without the filter on it, just a flange with a hole in the center.

If you can see gas and air bubbles moving through the primer and into the tank the hoses are on correctly. If you see bubbles going in the correct direction and then reversing when you remove your finger from the bulb, then the check valves in the primer may be bad. Replace primer.

When you say the primer "gets hard to mash", do you mean it is hard to push in or is it very slow to refill and return to the home position? If it is hard to push in and the bulb is full of gas and the hoses are on correctly then there must be a plug in the line going to the tank or the vent in the gas cap is not working. If it does not return, then it is most likely a plugged filter, plugged line from the tank to the carb, plugged screen inside the carb or a stuck needle valve. The primer is creating a slight vacuum to pull the gas through the carb, which is what the carb does when the engine is running. If there is a full or partial restiction on the supply circuit neither the primer nor the carb can pull enough gas for the engine to run. May need to disassemble carb and clean out any varnish, gunk or plugged ports/jets. Use spray carb cleaner. May want to think about a diaphagm and gasket kit if you do it yourself. If you do not feel confident in taking apart the carb, then take to a repair shop.

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1 Answer

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