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LX176 no spark

LX John Deere LX176 with a 14 hp kawasaki engine no igintion spark. Replaced spark plug & ignition coil.

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Can someone guide me through troubleshooting this ie which safety switches to check etc.


try a new spark plug. they breakdown over time. if still no spark unplug the wire under the coil. if it does not have spark now replace the coil. if it does have spark you have a bad switch somewhere.

Oct 30, 2016 | John Deere Garden

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

2 Answers

John deere gx345 has no spark at plug what is the cause?


need new coil pack or have short in harness grounding engine from running. check fuel line to carburator. 1. take float bowel off bottom of carb. do not touch float or pin holding float. crank engine over until fuel comes out of carb. If fuel comes out, you don't have fuel problem. put float bowel back on carb. 2. check for spark. take spark plug out of mower. put wire back on plug and place the threads on head [or metal of engine to ground the plug]. crank engine over for a few seconds to see if plug gets spark . [always double check with another spark plug that is good]. [[ Remember!!! you have to have someone sitting on the lawnmower to start. unless you by-pass safety switch [only do this if you understand how the safety switch works. NOT EXPLAINED HERE!!!]] If spark is present, there is no grounding problem. when engine is cool. 3. CHECK COIL PACK. for continuity. When the coil pack gets hot it will stop any juice to the plug. A>Check temp sensor B> Check Safety switches grounding out. C> Check for cut wiring harnes. [loose wires rubbing against pulleys, wires cut by rodents]. Hope this helps.........................GAS

Jun 13, 2012 | John Deere 420,1020,2010,2020,2510,2520...

1 Answer

I have a John Deere riding mower Model RX75 which will not start, I replaced the spark plug and it ran just fine for one day except that it Back-fired when I shut it off it never did this in all the years...


Weak spark can be caused by a bad ignition coil. The ignition coil is located under the engine fan/shroud, next to the flywheel. Check to make sure the coil lead and plug cap are not grounding against the engine robbing your spark as well.

Aug 03, 2011 | John Deere Garden

1 Answer

14 hp kawi fc420 as10 replaced ignition modul=coil and triger still no spark


Have you checked stop wire or kill switch? disconnect stop switch see if you have spark then...

Aug 19, 2010 | John Deere Garden

1 Answer

I have a 14 HP Kawasaki engine on my John Deere lawn mower (LX176). I have no spark.I'm guessing coil but unsure of how to test it. I get readings through the windings with an OHM meter but I don't know...


All the "safety" engine-kill "features" on this mower will ground the ignition system, stopping the engine and causing a no-spark condition. Check the seat switch, the brake switch. Also, the circuit board will cause the problem you have if it gets rained on, (the mower hood does not protect it); point is do not let the mower get rained on (or washed) unless you protect the PC board, which is right behind the ignition switch. Mine dried out and worked again but only after liberal spraying with (plastic-safe) electronic parts cleaner. You are right the manual would help, it's like $76 but it's in depth. Good luck, and PLEASE tell us what the solution was! -Tom

Helpful Deere lx176, lx178, hood hinge tip: If the hood hinge is broken on yours like on most, Deere has a GREAT repair kit that's only $10. They really priced it at cost or less to correct a defect they are aware of.

Jul 14, 2010 | kawasaki Full Suspension Mountain Bike Men

1 Answer

I have a lx 255 john deere wont start


You have a defective ignation coil. When the engine gets hot, the winding in the coil opens and the engine stops. After it cools down, it will again make contact and start again. If you don't know where the coil is, follow the wire from the spark plug. The spark plug wire is attached to the coil from the factory. It's easy to replace with a 1/4 inch socket set. Set the magnet to coil gap with a standard business card.

Jul 10, 2009 | Garden

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