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Lt150 john deere lawn mower cut off with knock, restarted, ran for 15 sec same thing occured

Ithis engine has used oil since new in 2002, but was full of oil when went down it will start now but only run for a few seconds

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 246 Answers

SOURCE: I have a John Deere Riding lawn mower which starts

Hello roobar2009:

>>From your Description it Sounds like a Carburetor Problem, a Bad Fuel Filter or Bad Gas.
>>If you have Changed the Filter and the Gas and the Problem is Still happening, then
>>The Following is a Simple Way to make Sure the Engine is Getting Gas from the Carburetor to Run.
>>If the Engine Starts and Quits, then Check the Carburetor Solenoid.
>>If the Carburetor Solenoid is Good or has been Removed and the Engine will Start and Quit when the Gas is Poured into the Carburetor Throat, then Soak and Clean the Carburetor.
>>The Following is a Basic File I Made for Cleaning Carburetors. Any Input is Appreciated. Even though the Carburetor Looks Clean, the Internal Passages May be Restricted with Varnish that Gas Causes to Build Up over Time.
>>Spray Cleaners Remove this Varnish in Layers, so Soaking is the Only Sure Way to Remove ALL this Varnish.
>>I have Found that Most People can Use a Breakdown/IPL and Disassemble the Carburetor Enough for Proper Cleaning.
>>You Only have to Remove the Bowl (if Applicable), Float Pin (if Applicable), Float (if Applicable), Needle Valve.
Remove Any Adjustment Screws that Go Into the Carburetor Body. The Welch Plugs Do Not have to be Removed.
>>If you are Able to Remove and Disassemble the Carburetor and Keep the Gaskets Intact, then Usually these Gaskets can be Reused. The Only Parts you May Need to Replace is the Needle Valve.
>>The Float Needle Usually is Not Replaced Unless it is Not Operating Properly (the gas flow not shutting off and the carburetor is Flooding). Do Not Remove the Main Nozzle. This is a Pressed Fit and Removal is Not Required for Cleaning. Soaking and Blowing the Carburetor Out After Soaking will Clean the Nozzle.
>>Once Disassembled, then Soak the Carburetor Body and Parts in a 1 Gallon Can of Gunk Carburetor Cleaner Overnight. The Can has a Parts Tray Inside it for the Small Parts.
>>Once the Carburetor and Parts are in the Cleaner, you can Replace the Lid for Safety and to Prevent Accidental Spillage. Then Blow Out the Passages with Compressed Air.
>>***(Do Not Use High Pressure Air for the Zama Carburetors, they have Check Valves for the Primer and these are Usually Blown Out of the Carburetor if Not Careful. Allow the Zama Carburetor to Set on a Drip Pan and Dry)***.
>>****All the Carburetor Adjustments are the Same for Lawn Mower and Trimmers. There are Several Location for the Air Mixture Screws. The Idle Air Mixture Screws are Usually Located at the Top of the Carburetor Bowl and the Top of the Carburetor Body.****
>>If the Main Air and Idle Air Mixture Screws are Side by Side on the Side of the Carburetor, then the Idle Air is Nearest the Engine. The Main Jet Air Mixture Screw is Located in the Bottom of the Carburetor Bowl or Beside the Idle Air Screw on the Side of the Carburetor Body.
>>Some of the Older Model Carburetors have the Main Jet Mixture Screw Straight in from the Top of the Carburetor Body (this is Rare anymore). If you have Cleaned the Carburetor (Disassembled and Soaked Overnight in Carburetor Cleaner (I Use Gunk). Then Blow Out the Passages with Compressed Air and Install a New Kit if Required. Now Setting the Air Mixture Screws:
>>****Turn the Idle Air and Main Air Mixture Screws In Until SNUG **Do Not Jam** Then Reverse Both Screws 1 1/2 Turns. Holding the Throttle Full Open, Start the Engine. Turn the Main Air Mixture Screw Clockwise Until Proper Revs are Obtained. Occasionally you May have to Turn this Counter Clockwise to Achieve the Proper Revs. Now Allow the Engine to Idle. Set the Engine Idle Screw (Not Idle Air) so the Engine will Stay Running if Required. Now Set the Idle Air Mixture Screw so there is No Hesitation when Throttling from Idle to Full Throttle. Reset the Engine Idle if Required.****
>>If This Carburetor has a Single Air Adjustment (Except Tank Mounted 9200 and 100900 Engine Model Carburetors), Use the Section Above that Pertains to Full Throttle RPM Air Mixture Screw and then Adjust the Screw if Required to Eliminate Any Hesitation when Throttling from Idle to Full Throttle.
>>For the 9200 Model Tank Mounted Carburetor Adjust the Air Mixture Screw Full In, then Reverse 1 1/2 Turns. Set the Throttle Lever to Full Throttle and Start the Engine.
>>Now Carefully Use 1 Finger and Open the Throttle Plate and Over Rev the Engine Slightly. If the Engine Over Revs and Does Not Struggle to Over Rev, then the Carburetor is Set. If the Engine Struggles to Over Rev, then Turn the Adjustment Screw In 1/4 Turn and Repeat the Over Rev Test.
>>If you Adjust to 1/2 Turns In and the Engine Still Struggles to Over Rev, then Return the Adjustment Screw to 1 1/2 Turns Out from Snug and Turn the Screw Out 1/4 Turn. Do the Over Rev Test. Continue this Process Until you have the Engine Over Revving without Struggle.
>>By Adjusting the Carburetor on this Style Carburetor Until the Engine Over Revs without Struggle, you have Adjusted the Air Mixture to the Best Possible Setting.
>>This file was Intended to Give you the Basic Carburetor Cleaning Instructions and May Not Reflect Your Carburetor Components.
>>If you have Questions, Please Ask. The links above Provide Good Directions on Cleaning the Carburetor. Make sure you use an Compressed Air to Blow through all the Carburetor Passages to make sure they are Clear.
>>1- http://www.repairfaq.org/samnew/lmfaq/lmclctc.htm
>>2- http://www.cpdonline.com/692509.pdf .
Please, Do Not Hesitate, If I Missed Something or you Hit a Snag or this Does Not Correct the Problem, I am Here if You Require More Assistance.
Hope this Helps. Let me Know What Happens, Please. May the All Mighty Bless You and Yours. Be Safe and Be Happy. Thanks.

Good Luck

Respectfully

jbridger (John)

Posted on May 17, 2009

  • 302 Answers

SOURCE: change oil in riding lawn mower

look at the side of the engine down low. There should be a pipe plug screwed in that has a square head. Put a drain pan under the area and remove this plug and the oil will drain out. It's best if the engine is warm. You should get 1 1/2 quarts of oil out of it. Let it drain for about 5 minutes and then re-install the pipe plug. Add 1 1/2 quarts of 30W oil and then cut the grass !

Posted on Aug 27, 2009

Testimonial: "Thanks. It worked!"

mickey813
  • 472 Answers

SOURCE: John Deere CR125 hydrostatic mower, engine runs

sounds like you have carb problems

Posted on Oct 15, 2009

  • 183 Answers

SOURCE: John Deere GX85 Riding Mower engine surges

did you drain the gas before putting it away last season? If not, I would drain all of the gas and put in fresh gas, also replace any in line gas filters

Posted on Apr 06, 2010

  • 66 Answers

SOURCE: My John Deer L120 riding mower is shutting down

Two things to consider....fire and fuel. Lets start with the simplest....check and replace the fuel filter, drop bowl off the bottom of carb to make sure float is working properly. If this dosen't work...your looking at a new coil. Some coils will go quickly where others are gradual. As they heat up...they will stop working until allowed to cool down again. www.nnyparts.com

Posted on May 30, 2010

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1 Answer

John deere model FC420


Specifications

Engine HD45

Engine Model Number(Kawasaki FC420V
Horsepower (10.5 kW (14 hp)
Displacement (423 cc (25.8 cu.in.)
Crankcase Capacity w/o oil filter (1.3 L (1.4 qt.)
Crankcase Capacity with oil filter (1.6 L (1.7 qt.)
Spark Plug-Gap (0.64 mm (0.025 in.)
Spark Plug-Torque (20 N·m (15 lb-ft.)
Cylinders (One
Stroke/Cycle (Four
Lubrication (Full-Pressure
Oil Filter (Standard Single Element
Air Cleaner (Dual Stage

Engine HD75

Engine Model Numbe(Kawasaki FC540V
Horsepower (12.7 kW (17 hp)
Displacement (535 cc (32.6 cu.in.)
Crankcase Capacity w/o oil filter (1.6 L (1.7 qt.)
Crankcase Capacity with oil filter (1.9 L (2.0 qt.)
Spark Plug-Gap (0.64 mm (0.025 in.)
Spark Plug-Torque (20 N·m (15 lb-ft.)
Cylinders (One
Stroke/Cycle (Four
Lubrication (Full-Pressure
Oil Filter (Standard Single Element
Air Cleaner (Dual Stage

Fuel System

Fuel (See Fuel in the Service Miscellaneous section
Fuel Filter (Single Stage, 60 Micron
Fuel Pump (Vacuum Operated-Diaphragm
Fuel Delivery (Gravity Feed to Fuel Pump)
Fuel Tank Capacity (19 L (5.0 gal.)

Drive Train Mower Deck (36-inch)

Blades (2
Blade Bolt Torque (81 N·m (60 lb-ft.)
Cutting Heights (25-114 mm (1-41/2 in.)
Weight (86.7 Kg (191 lb)
Overall Width (chute up) (927 mm (36.5 in.)

Mower Deck (48-inch)

Blades (3
Blade Bolt Torque (68 N·m (50 lb-ft.)
Cutting Heights (25-127 mm (1-5 in.)
Weight (83.6 Kg (184 lb)
Overall Width (chute up) (1308 mm (51.5 in

ower Deck (54-inch)

Blades (3
Blade Bolt Torque (68 N·m (50 lb-ft.)
Cutting Heights (25-127mm (1-5 in.)
Weight (86.7 Kg (187 lb)
Overall Width (chute up) (1460 mm (57.5 in.)

Recommended Lubricants

Engine Oil (John Deere PLUS-4
Grease (John Deere MOLY HIGH Temperature EP
Transmission Oil (HY-GARD-J20C (TURF-GARD-SAE10W-30 (PLUS-4-SAE10W-30 (TORQ-GARD SUPREME-SAE30
(Specifications and design subject to change without notice.)

Sep 28, 2016 | John Deere Garden

1 Answer

My john Deere 110- 42" cut lawn mower ran out of gas and won't crank back. Noticed the parking brake is engaged but will still roll. What is my problem?


Hi Shannon, It's either fuel OR electrical, First check electrics, If it cranks but not starting......
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Apr 29, 2016 | John Deere Garden

1 Answer

I have a John Deere JS30 self propelled lawn mower I had issues with it running for 15 minutes and then it stops running. Was low on oil. Added oil over the full line now it runs for 3 min and dies


Wayne, correct your oil level to full line, change your spark plug and try mower. If still acting up after a couple minutes, the Gas cap vent may be plugged, remove or loosen cap to see if mower will run longer and better. If no improvement, the carburetor is dirty and needs cleaned or rebuilt.
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Model LT150. Why won't blades engage?


Visit the on-line store, know as reliable-store, they have the repair manuals. I'm sure you will get the solution of your problem.
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Oct 20, 2015 | John Deere Garden

3 Answers

Will a John Deere LA175 lawn tractor start without the mower attachment installed?


I wouldn't think so. I know you DO need the seat switch depressed in order to start the engine.

Oct 18, 2014 | John Deere Garden

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My lt150 lawn tractor is backfiring when the pto is engaged and cuts off in about a min of use, but it runs fine without the pto on.We have drained the gas and put in new gas, and cleaned out the...


Hi,
Sounds like the float is bad - what happens is the float sits just a little off and when you add the demand of more fuel it skewers the RPM by starving the engine.
Try removing the carburator and either adjusting the float by bending the tab or replace it. As part of this repair i suggest you just replace the needle and seat as well if they are over a year old.

Thanks,
Gary @ Fix Ya

Jul 22, 2010 | John Deere Garden

1 Answer

When starting John Deere 455 lawn tractor, runs great first 15-20 sec with normal black exhaust, then engine starts knocking and exhaust turns grey at that point i shut it down, tested this 3 diff times...


Unless you have a diesel, the black smoke at start up is not normal, it should be white if anything. It sounds like you are burning very rich, or no air at all, check the air filter, check the fuel cond, check the governor thing, make sure it moves freely and rebounds. Change the spark plug. I don't know what else it could be without being there. The carb could be clogged up, some carb cleaner wouldn't hurt. Hope this helps.

Jul 18, 2010 | John Deere Garden

1 Answer

Lawn mower engine high revving


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