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I use a leak down tester quite often. I can test new to me non running engines on a test bench before even trying to fix them for a run test. Lets me know if they are worth the effort to get running. I've found bad valves, bad rings, bad head gaskets on non-running engines. I have a OTC. HF...

If the next one leaks take notice of the area of leakage. Sometimes you can flat sand a head on a piece of glass and see the area of warpage and sand it flat again but if it's the block you might have to try two gaskets and not the weak China Amazon types.

Just some general info about the Anti backfire solenoid (ABS) you mention. Sometimes the solenoid pintle can be free'ed up by using a penetrating oil and gently pushing and slightly twisting the pintle valve stem. It is slightly spring loaded outwards and uses voltage to retract. You also have...

Here is a link that has instructions for your Briggs/Nikki carb https://outdoorpowerinfo.com/repairs/

Does that tractor have a F N R shifter on the floor board in front of the seat and a 1 through 7 speed shifter on the right hand rear fender??? (YES or NO) If you will post up couple pictures and the 7 speed shifter area for forward and reverse I probably can steer you to a owners manual that...

joed756 said: An old diesel mechanic trick...use two head gaskets. Good info here I've done the two head gasket with good results. (do the proper torque procedure) Also it will slightly reduce the compression which can be a good thing on some engines.

Looks like you found a cheap replacement. I've Plastic welded several of the plastic gasoline gas tanks with good results. You can watch several you tube videos about such. I try to use a piece of plastic from the one I'm welding/repairing so as their DNA is the same.

I've heard a rumor that Lowes will honor Craftsman tool lifetime warranties.

Yep, sometimes consulting the owners manual for instructions is a good thing after all else fails. I've seen lots of dudes/smart alecks/jerks just throw the owners manual away because they know more than the people who built the product. Thanks for the come back. Lots of dudes will not...

No way would I buy a mower on-line, especially a used one. Bad enough trying to buy one while doing face to face asnd inspection and asking the previous owner questions. When doing such I'm checking out the seller more than I am the mower/equipment. We all have heard this line, It was running...

You said: but finger controlled of throttle will smooth out and run Perfect. Little strange that it ran ok by holding the throttle butterfly manually, due to starving for fuel (unless it was only surging when under a load) Sometimes if applying a slight choke lessens the surge is a hi8nt of...

Is this a new to you engine? or is this a engine you have been operating and the surging started all at once????

You need a small cc engine compression tester like you describe. Lots of info on-line.

Engine smoking on a hill, you say. But not on level ground????? Too many variables here. Blue smoke or black smoke. See if oil is thinned out with gas or too full of oil. check breather. If Blue oil smoke might do a leak down test.

You asked: You Where can I find this bracket? If you can find a part number just do a on-line search and if it's listed a NLA or discontinued, go to Flea bay and search the part number and if nothing surfaces that you want to pay for do a SAVED SEARCH WITH A PART NUMBER AND ONE WILL USUALLY...

As ilengine says. Just a few hints here and basic info about such. I remove the electric clutch and take a piece of schedule 40 rigid metal pipe that will just slip over the crankshaft, (I save the electric PTO clutches because they are expensive and write the model/part number on the clutch...

I've noticed that: As above and also any time a PTO is en-gauged and it does not sound right, like you mention, engine pulls down, you feel vibs in your cheeks in the seat, and it's getting worse, then stuff hits the fan, next time think about turning off the PTO before it gets worse because...

You eliminated quite a bit of stuff. What I would think about doing is check the valve lift. compare the exhaust push rod left to the intake. Compare the lift of each to each other. Look for as much as 1/4 inch difference in lift height, I've seen one lobe loose enough lift on those 28 engines...

If it was running good with the old v belt and that is all you done was replace the v belt and you had a failure put the old v-belt back on and test. (just kidding) Had this same thing happen to a guy that called me on phone and said he had just changed the oil in his vec and afterwards if...

We have people on this site that knows small engines in and out but we NEED to have the EXACT model, type and code from the top of the valve cover. We have asked you several times for this info but it just falls on deaf ears. Can you tell us why you cannot give up this info????? Excuse me if...

Startech: Thanks for that info. I'll try the Rotary. Sadness ruining starters due to a new replacement solenoid. Cannot hear the starter running when the engine is running when the solenoid contact stick. I've took couple of them apart and the new copper disc and it's stud contact would be stuck...

You say: Ordered a oem Walbro. Will update when i get it and install it. Thank guys! If you ordered a NEW replacement carb using the Walbro part number do not be surprised and get too depressed if you get a Nikki or even a Nikki clone, BECAUSE Nikki's are the replacements for thw Walbro's using...

You asked about starter solenoids. If I were you I would buy two, keep a spare handy. I buy the two terminal type and they can be used on most all older model MTD's. Look at your IPL and get the correct part number then search on-line. I've had a run of bad luck within last year replacing lawn...

Seniorcitizen says: If a MTD will cut grass for 26 years it deserves new cables . lol It deserves more. Might even be time for a oil chainge. At the very least give it lots of TLC. Might even want to go ahead and arrange for funeral services.

Post up the model, type and code for us? Ignore what the HP says. (Briggs labeled hp of same engines how ever they want to and got sued for such) If you use all the above info you will get on the correct page.

As freddie21 says: Make sure you put in for a refund, or replacement, of that crap carb. All seller I have dealt with will provide one, or the other, and probably won't want the carb back as there's gas in it. They know what they're selling. If it came from Amazon they will usually issue a full...

AND I've noticed that OP's just ignor a lawn tractor steering when it first gets slack or even when it jumps gears when turning they just keep operating. I've also seen where people replace the pinion and sector gear and they jump teeth due to re-installing worn out or wrong bushings at the...

Yep, post model type and code. Manually move the throttle plate to the wide open [position. This will normally bypass any governor control. If it then speeds up you will need to do a static governor adjust. If that is a Twin make sure that both cylinders are producing power EQUALLY.

That 33 series Briggs was a lemon from the start. Experience is what you get when what you bought is not what you wanted. If you turn wrenches you can replace that engine if the deck etc, still has good life, not rusted out, etc. Sometimes zero turn mowers and slopes you mention are not a good...

You asked: Any ideas what I may be missing. YES

I change the oil in my old vec's usually every 5k miles or less. Some of the vec's use straight 30w and some use 10-30 conventional oils. I also quite often get used small 4 cycle engines, usually lawn tractor and pressure washer engines of 3.5 to 25 hp. Instead of installing new costly motor...

Is that where an animal has chewed on the shifter and a pedal? Your seat would last awhile with a cover. I've used contact cement and indoor outdoor carpet and fixed lawn tractor seats with good results. Weldwood is the best contact cement and the spray one is more user friendly. i just cover...

Try this red neck solution: If you are taking a picture of a file, like a flat bastard file try using a smaller file or move your cell fone further away so the file will not be too large for the screen shot. Or only take a picture of each half of the file. scroll down Just kidding...

Do not be too concerned about it showing a oil filter. That same model number engine used two different sumps, one with a oil filter and one without. The oil filter type is mostly for show to make you really got something better. Usually just use straight 30w oil. Be extra careful when...

StarTech said: More likely if the engine is an Intek OHV single cylinder engine that the head gasket is blown. One hint to this is oil in the cleaner side of the intake. You asked: is a head gasket a big job on this engine? Normally NO. Lots of you tube videos about such. You need to post the...

The length spec of lawn tractor v -belts is the OD of the belt. You can take a piece of string and measure the length of the old broken belt. I also keep a upholstery cloth tape measure handy (from wal mart sewing section for about $3) and BEFORE installing a new belt I measure the OD with the...

Bertsmobile1: You might want to go pee before you start reading this info. Just some general info about the NLA Walbro LMT carb replacements. Here is a direct link to show the WALBRO carb that was used on that engine which shows a list of the carb part numbers and the models of the Briggs...

I got that failure rate upside down. I get the Nikki's from Amazon prime and have about a 20% failure rate. (2 out of 10 that I can return for a full refund. I usually just turn around and order another and get a go. Usually about $15 for the single barrel type with free shipping. What I've...

You asked: 1. How easy do you think it would be to swap the engine? Painful. The replacement engine will need to have the same dia and length crankshaft stub so as the existing drive and PTO can be used. Lots of things to consider especially if it's the electric PTO. (even the exhaust system...

Keep a heads up when removing/installing a starter on those blocks. The bolts are short and one can be easily stripped out because it's not a straight shot for a socket. Those engine starters use a fiber Bendix gear. Make sure the teeth count is correct and do not use a steel gear or the...

Yep, wrestling with a Nikki. I've seen them Amazon carbs have about a 75% failure rate. One nice thing is they can usually be returned free and a refund given. I've took two or 3 and make one. If they have the adjustable idle jet I take a dremel and cur the plastic limiter off and slot the end...

Here is a link to view parts for your engine. Briggs and Stratton 288707-0170-01 Parts Diagram for Carburetor (jackssmallengines.com) Look at the item 125 carb at this link and when you look towards the bottom of the page it will show several models Briggs series 28's and other makes of...

Your carb appears to be the dual throat Nikki type. If you have ever seen i trun ok without a choke you have hope. Some of the China types even when new never run right. Here is some links about that carb. I've at times while the carb is still on the engine and running weird and also needing a...

That stator is burned bad, You better make sure that the replacement is not overloaded or it will happen again. Appears you tried a new replacement regulator and still same symptoms of no charge. I would install a fuse in the regulator output B+ wire until I confirmed it going to be Ok. (not...

You asked: So does that mean that many of the OEM parts are now being made in the same places? Very easy now days to think you are buying the old style OEM parts and are really buying clones of the OEM advertised as OEM. (made in well you know where when you look at the stamp or find print)...

If the regulator does not fix your issue you might think about reading the charge amps instead of voltage. You can find a 15-0-15 or 20-0-20 ammeter for less than $20 and temporary install in the battery charge or regulator output wire going to the battery. Look on fleece bay under something...

XXit happens. At times it seems to be a happening thing caused by maybe Murphy. Some of the Briggs PTO replacement seals now days does not have the spring inside the seal. If I see a seal leaking or a new seal leaks I first check that the rotary shaft does not have any side slack or severe...

Might think about: Try using an electrical tester so as you can logically troubleshoot your electrical issue instead of just guessing at the problem. If you do not have one you can buy such from Walley world for less than $20. The HF ones are not worth the time or money. Lots of info on-line...

If you know that the oil prssure light comes on when you turn the key on and the engine NOT RUNNING and it never comes on when the engine is operating everything is normally ok. I've seen the light flicker a low idle but go off when the engine picks up few rpms and I never seat such on small...

Let a big mouthed woman push the mower.