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Engine is from 93 which one would assume something around 93 or 94 but doesn't appear to be the original engine, since the hood and grill are from the mid 80's.

Sometimes a model of mower can be found by using the engine model information, but I can't read the numbers on the tag on the engine in the picture.

The other spindle that they used on that model after May 27 was the 918-06991, which from the pictures looks longer that the 918-04822B

Your serial number put you before May 23,2014 so your correct spindle is the 918-04822B

I tell me customers that you can't afford to fix it, and can't afford to replace it.

Something else to look at is some RTV sealants do not recommend using in the presence of oil. Some are designed for oil and other chemicals, and some are designed to seal water pumps. Need to read the packaging.

Won't fit in a 2 gallon bucket.

And I have crushed more than one valve cover attempting to shear it off with a block of wood and a hammer.

Most people don't know that the outer cover on standard fuel line is not gas proof and will break down in the presents of gas and other chemicals. If they look into submersible fuel line they would have a fit over the cost. The stuff is only $32/foot.

I see this exact issue from time to time. When it acts up it appears sudden even though when you clean off that flat plate under the main frame you get about 3 gallon of grass.

Actually 155 is below the Kohler specified 160 psi for the Command series engines.

The orange thing is the complete filter. The end of the filter has a barb that may take some squeezing from below the nipple to slowly push it out of the fuel line. Don't grab the filter end with anything because you will crush it. Then the orange filter should just slide back up inside of...

Sounds like the jet in the bowl nut is clogged.

Depending on the pump and bleed orifice can vary from about 1700 to 2900 psi.

Does anybody have a diagram or the part number for the fuel pickup in the tank for this model. All diagrams that I am finding just show the tank only. Appears this could be another one of those parts diagrams were Husqvarna forgot part of the diagrams.

Pickup tube in the tank plugged with debris. May need to backblow on the fuel line to see if that helps. If it does then I would be cleaning the tank.

From the picture it appears the engine pulley is burning the belt. So most likely the deck isn't moving fully forward when raised all the way up and not properly de-tensioning the belt, Or there are rough spots on the engine pulley that is basically filing the belt in that area. This deck...

Appears that Exmark is still part of the Toro Group.

Since Gravely is part of the Ariens Company, Gravely was also part of the sale

Looks like Ariens mowers is now owned by Yanmar

Stanley Black and Decker has sold the Excel mower group which included Hustler and Big Dog Mowers to Bad Boy Mowers. https://ir.stanleyblackanddecker.com/news-events/press-releases/news-details/2026/Stanley-Black--Decker-Announces-Agreement-to-Sell-Excel-Industries-to-Bad-Boy-Mowers/default.aspx

It is part of the camshaft. It is the part next to the gear in this picture and the shaft in the center

The issue is the hardening of the cam lobe. It wasn't properly hardened therefore when the small amount of hardening wore through the rest of the lobe is very soft and would wear down quickly. also even if it was slowly wearing down, most people wouldn't notice the small changes until it hit a...

Works fine if you use it like a pushmower Not so great for the people that use them to trim up close and under objects that need the front of the trimmer to do that job where you cannot use the sides.

Did you change the oil, or just look at the level and top off. Could be a case where this is gas in the oil and by installing the air cleaner base the engine is pulling in gas fumes from the breather hose connected to the back of the air cleaner cover. Or something else isn't lining up like...

Intake lobe worn down to almost round with a working compression release. Looking at new camshaft.

Answer posted in #13 Bad spark plug

The started out as a 40:1 saw but sometime in the works without telling anybody they changed them to 50:1. Want to see something interesting, go look at a can of Poulan Pro pre-mixed gas. It list 40:1 and 50:1 on the same can.

Actually that is a run lean scoring. Straight gassed will normally score all the way around.

The thing that is fooling people is the 120 psi. That may not be enough for this engine depending on compression ratio. Also that 120 is most likely a wet compression reading. Like the different between running a compression test and then adding oil to the cylinder to get a second reading...

I am seeing deep scratches down the left side of the piston in the picture. I will guarantee that the ring is stuck in the piston groove. Remove the spark plug and have a look at the cylinder wall through the spark plug hole with the piston in the down position. Engine is trashed. In this...

Looks like that engine has an oil level sensor so if the oil level isn't up to full or there is a fault with either the level sensor or the oil shutoff sensor you will not have spark. Try unplugging the oil sensor after checking the oil level to see if you have spark.

KIll switch needs to be open circuit in the run position.

Who is shopping on Amazon or Ebay. My plugs are coming from places like Power Distributors, Medart Inc, Oscar-Wilson Engines and Parts. You know the actually lawnmower parts distributors.

Glad somebody has those low failure rates. I have thrown away 100 J19LM plugs in one day due to failure within the first 5 minutes of installation. I have seen several NGK plugs stop firing within 5 minutes on the Honda GX and GC engines or will backfire once on engine crank, and will act...

Horizontal and OHV most likely Intek. Model number information could be stamped into the side of the valve cover. But some of the newer Briggs engines CR or XR series engines have the model number information laser etched into the mounting flange next to the drain plug.

Briggs official dealer site shows 3,000 +\- 100 rpm no load

The model number from the engine would be a great help. At this point we don't know if it has a horizontal, or vertical shaft. Intek, Vanguard, flat head or OHV

My first thought is the choke isn't fully closing. Need to make sure choke butterfly is fully closed when the throttle control is set to the choke position. If not may need throttle cable adjustment so it fully pulls the choke shut.

I know that feeling. Worked on a Honda TRX450 a few years ago that lost spark. Actually would spark once when the start button was released. What they didn't tell you was one of the 3 wires that went from the stator to the voltage regulator also was the AC signal wire for the ECU to tell the...

I spent 3 days trying to figure out how the start cycle was bypassing the unplugged seat switch, pto switch, clutch switch, and the key in the run position. The pto switch and the clutch switch should of prevented even powering the relay, and the key switch should of kept the relay from...

The only think I can think of is, The K2 ignition relay terminal 86 uses the the same X2 pin D as the ground. And with the pin D open it then uses the diode between the X2 pin D and the X1 pin 5 as the ground which happens to be the energize terminal for the starter solenoid.

I have seen it on trailers over the years also. Loose the ground and the system will try to use the lights as the ground because some automotive systems will be direct to ground when the system is not energized.

Totally doesn't make sense. Pin H on the circuit board is a pin with no circuit connected to it. There is no copper strip leading from that pin, and no continuity with it to any other pin solenoid connection on the board. The only thing I can think of is the other circuit that use that same...

Got it figured out. Wire in wrong location on X2 connector on the circuit board 130 Ground wire was in slot H not slot D. Figured it out after looking at a circuit board on line and thought that looks backwards from what I thought. So grabbed the original board that customer replaced and...

Engine will even crank with the seat switch, pto switch, and brake switch unplugged. just have to turn key to on position. Not even start. Disconnecting X2 connector at circuit board will stop the crank cycle. Also appears to not have key power to the ignition delay module, the ignitor, or...

I am thinking the same. Some wire is crossing over inside of the loom.

No. Appears to be on the control side of the circuit board wiring that is closing the start relay.

This one has me puzzled. Engine starts cranking as soon as the key is switched to the on position. New JD key switch/circuit board. Older below 70,000 serial number unit. Start wire is getting power at the circuit board X1 pin 5 with no crossover power between any of the other wires...

Looks like that mower used the 44G777-0400-E1 Briggs engine. Check the vacuum tube between the valve cover and the fuel pump to make sure it hasn't developed cracks which can effect the vacuum pulses. Fuel pumps don't fail very often, or at least the OEM ones don't Chinesium replacements...