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It's obvious the engine has a knock. Is it always the rod making the knocking sound? Or can the counter weight make this noise? I've uploaded some videos. Engine spinning freely https://youtu.be/DWNHS7U3hq4 Engine running https://youtu.be/nifPUbBlrYw Engine running overhead view...

I installed the engine pulley from the troybilt bronco and made no difference. The mower starts moving when the pedal is pressed around half way and doesn't really speed up no matter where the engine speed is set. The belt is 90 1/2 inches long, I'm thinking of buying a MTD belt that is 89...

I attached pictures of how the belt is routed. The hanging rod is just for the brake it has nothing to do with the tension of the belt. One of the springs I don't have attached it's to help return the 2 idler pulleys. It seems like the pedal has to travel completely down to put tension on the...

Bought a Craftsman made by MTD. 2011 model 247288841 Mower had a blown engine so I put another engine on it, same engine pulley and it goes slow in forward reverse is a little faster. So far I have adjusted the foot pedal, replaced both drive belts and checked the variable pulley which moves...

Model LOGTH2448T Trying to revive this mower back to full health. When driving or sitting the brake pedal jumps back and forth making all kinds of noise, louder than the engine. Video of what it's doing: https://youtu.be/oTKP3jKYWGQ Could this just be the drive belt? Possible adjustment? I'm...

Kohler Courage SV735 Recently purchased a Craftsman riding mower with a Kohler Courage twin 26HP. It's having a intermittent spark issue cause of the DSAI modules. To make sure the engine runs I removed the coils from a Kohler command engine and put them on the Courage. Runs good from what I...

Engine model: 445677-0476-E1 Bought this mower today for $60. It was backfiring through the carb something awful. Exhaust push rod was gone on one of the cylinders. Just to see if it would run I got one from a parts engine. Mower fired up. Running on both cylinders. Engine seems to run ok but...

Anyone have a tip on removing a main nozzle from a Walbro carburetor? I purchased the briggs and stratton screw driver to remove them but in almost all cases strips out the slot. Picture below is relevant.

Both are worn down really far. Pictures: The other camshaft has a broken compression release.

Model:31C707-0230-E1 Anyone ever seen both cam lobes worn off? I'm about to pull the engine to check the camshaft and was wondering if anyone knew if something else could be causing this?

Cracked open the engine and here is the problem. New one is on the way. I opened up my parts engine and it had the same issue. Judging by how many are sold on ebay they must fail quite often.

Model: 287707-0153-01 Cleaned the carburetor multiple times. Removed the jets and cleaned them. Still wants to surge at full throttle. If you hold the choke almost closed it evens out. Has good fuel flow. I have it soaking in Gunk carburetor dip at the moment. Wondering if replacing a certain...

Model: 331777-1372-B1 I checked to see if the alternator/stator was out putting any voltage and it was not. Just to make sure I was testing it right I tried on another mower and it was working. So I installed another alternator/stator from a junk engine and still nothing. Lastly I tried the...

Model: 331777-1372-B1 *EDIT* Got it running and it's blowing white smoke. Guess head gasket is blown. Adjusted the valves to specification. Owner installed a new solenoid. Engine will crank normal if I hold my hand over intake tube connected to the carburetor. If I don't hold my hand over...

I got the charging system working. All I need now is a choke cable. I've mowed with it a few times now and it does really good. Few pictures:

Model: 31p777-0299-e1 When cold the engine will throttle up fine. After about 10 minutes it starts surging really bad and dies. It will run at idle speed, but once you try and throttle it up it wants to die. Really stumped. Engine has a Nikki carburetor. I have done the following: Pressure...

Finally got some time to work on this. I want to cut the plug off the Kohler engine and possibly try and use it for the briggs. The wiring is confusing me a little. The grey wire on the briggs goes to the solenoid. The red wire goes in the electronic thing (sorry don't know correct term) and...

I have a Husqvarna YTH20K46 with a blown 20HP Kohler Courage SV600s. I want to put a 16HP Briggs Twin Vanguard on it. I don't if it will work cause the wiring connector is different. Current Kohler Courage SV600s to a Briggs Twin Vanguard Model: 303777-0333-03

2008 Cub Cadet LT1045 Model 13RX11CH056 Was wondering if it's possible to reset the hours on a hour meter that is factory installed? Only asking because this mower looks to have more than it's reading. I don't know if someone reset it some how.

Model: 31P777-0299-E1 Just picked this mower up. Crank case was full of gas. Drained out the gas, put in new oil. Adjusted the valves. Engine cranks slow. Tried another starter, same thing. Tried jumper cables directly to do the starter and no change. Then I put my hand over the intake that is...

Engine Model: 445777-0154-E1 Briggs 25HP I/C Platinum Turbo Cool Purchased this mower today for $150 as it has a problem with the electric PTO. Starts to turn on but then stops. After checking the engine oil level at home it was barely reading on the stick. Far as I can tell I don't hear any...

Model: 422707-1510-01 Has a ticking noise mainly coming from the right side if your in front of the engine. Starts up good, seems to run good except for the ticking. I got this mower late last year and just now started working on it. I read some where it could be the valves and not to worry...

Mower model # 13AT604G401 Mower deck is vibrating/Shaking. I replaced the blades and deck belt. I guess it's one of the mandrel's causing the problem. I made a video of spinning each mandrel with the deck off the mower. The left side is noisy but is it bad enough to cause vibration? I pulled...

Model 407777 0128 e1 Engine was partially frozen, didn't take much to free it up. Crankcase was full of gas. Engine runs, but it's backfiring through the carburetor. If I hold the choke at a certain point it seems to even out. I soaked/cleaned the carburetor and also tried another good...

Model 407777 0128 e1 Broken/bent rods on the #1 cylinder. The exhaust rod was almost eaten. I pulled it out but something was clamping down on it. Picture of the rods. Engine does spin with no knock. I tried running it on the one cylinder but it would not fire. Was getting spark. Valve guides...

Got it driving! Stupid me had the rear drive belt routed wrong around the shift lever lol After that it starter driving, still had slack. I lifted one front wheel onto a bucket to look under the mower and for some reason doing that caused the slack to go away. Anyways, thank you for help...

MTD Model 13AH660F016 I replaced the rear drive belt. When I try and drive it the Front drive belt starts smoking and there is a screeching sound. I took the variable pulley off and got it working great but still does the same thing. Also you have to put it in the highest speed for it to do...

Model 445777 Type 0172 E1 Picked up a free Craftsman riding mower with a 21.5 HP Briggs Twin Intek. Engine cranks slow, both pistons do move. One side is missing push rods and valve cover. I'm guess it bent a push rod and previous owner stopped using it. My question is: Is this engine worth...

22 HP Tecumseh V Twin. Model: TVT691-600809B Got it for free. Replaced the breather side head and gasket. Runs good, but a small amount of gas is making it's way out the breather tube. It's like a few drops worth, not a huge amount. I can't figure out if it's one of the two carburetor's...

10 HP Tecumseh on a rear engine riding mower. It will not gradually increase throttle speed. Soon as you start to increase the throttle it jumps to fast idle. I soaked the carb in Chem Dip and then rebuilt it, but same issue. Bad carb? Or can something be out of adjustment? Engine numbers...

Briggs 31Q777-0305-E1 Head gasket blew in 1 day after I replaced it. In the usual place where no bolt can tighten it down. Engine is on a Cub Cadet that I bought used. Guy said the head gasket keeps blowing and he is right. After I replaced the head gasket I noticed the push rod adjuster was...