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QUOTE:"it will idle ok and then when you give it a little gas it’s starts to backfire literally flame shooting out the carb through the air cleaner" Could be a weak intake valve spring not closing at higher rpms. Could be a sticking valve doing the same. You could remove the valve cover and...

Have you checked for warpage of the top surface of the fuel tank? The bottom of the carb where it seals to the tank? As I understand it can be necessary to add a second gasket to get them to seal up if there is warpage. Without the seal, it won't pump the fuel properly. tom

Would you believe me if I said: "They all do that." Ha! I would do two things. Take a file to the gap on the spark plug. Both the center electrode - the tip should have square corners, and the side electrode - if there is any rounding, it should be make flat where it faces the center...

All the older series I have seen use bent metal rod to guide the belt from coming off the pulley. Using plastic, especially plastic that will come in contact with a moving belt(during coast down?) is asking for a consumable part. The natural arc of a relaxed belt will tend to keep the belt...

I used a 33" Snapper from 1992 until about ten years ago to mow on a 3.5 acre weed patch. I do not fertilize nor water, but it still is green 7 months of the year(at least) and needs mowing ~once a week. I have had minimal problems, and figure the Snapper handles more like a go-cart than a...

Is the cross reference incorrect in the threads? filter diameter(sealing surface)? I know the filter used in a hydro must be factory as the flow is reverse. Is the flow direction swapped? Just curious. I use non-Kohler filters on Command applications without problem. I refuse to pay...

If you wander over to mytractorforum.com and go to the forums, do a search for hydro. I know there were posts on that site referencing drain & refill and changing the filter. There was also a comment, from memory, that the filter MUST not be a generic cross referenced filter as the fluid...

Most OEM branded filters are not made by the OEM. You can substitute regular filters such as Delco, Purolator, Rotary, Stens, etc as long as the threads match and the filter gasket will seal on the adapter. You can cross the OEM filter number to a retail brand for a more exact substitute. I...

If you put a sacrificial bolt into the axle, suspend the back end, and give the bolt a good belt with a large hammer, the axle will try to move out of the wheel hub. I like using air operate chiseld with a round flat face, possibly pointed chisel in the hammer. Suspend as before, wheel off the...

To echo a bit of what Toby said, I used to run my engine at 'lower than notch' speed.... I was talking to a co-worker, and he said, and I quote: "Don't baby it. Run it at top speed. That is what it was designed to do." I will add that running at idle or slower speeds will also cut down on the...

Fred, have you done the test(park on a hill...)? You may want to try changing the working fluid, most likely 20W50 motor oil. The 'VI' used in the oil can break down, and the viscosity at temperature may be too low for effective use. Some units are equipped with filters, so I would check if...

You did not say what machine the Kohler is installed on. It may not really need a fuel pump when sitting in level ground, and the trickle that got through the fuel outlet and shutoff would fill the float bowl over time. tom

Did the manual reference setting the clearance? As I understood, the lifter is designed to control the clearance, and the installation called for tightening the nut on the stud where the rocker arms pivoted. IOW, tighten to xx-ft/lb and you are done, no measurement involved. If the parts are...

If the wheels are keyed to the axles as designed, you should not be able to move the mower with the bypass pull rod released. If the bypass lever spring has failed or fallen off, then the lever may be allowing bypass internally. Bypass is allowing the path between the pump and the motor to...

If you drive in snow or mud, and you have one wheel slip, it will turn with a normal differential. Lack of the 'key' which connects the wheel to the driving axle is the same as driving with one wheel on ice, and in this case the axle will turn inside the wheel hub, but the wheel will likely...

As far as I know, all 'OEM' branded oil filter(and air filters) are made by independent firms. Just as their engines for the most part are not made 'in-house', the same holds true for the filters. On the retail shelves, the OEM are priced as if they were the best product on the market. In...

After installing the new cam, if your lifters were empty of oil the would have to 'pump up' to close the clearance. That would make the CR not work very well. If you did get the engine to run, the lifters should have filled with oil and closed the valve clearance to normal, and the CR should...

How long does the fuel run from the filter after you disconnect to test? Could be you are just draining the line & filter of fuel that has slowly filled it from the tank. If the tank outlet is getting clogged, or is clogged, it will allow slow feed of the fuel from the tank to the line to the...

If you have a warranty, call the support group and ask if they will swap out for another. You should not have to fiddle with a brand new engine.

I can't wait to hear what you find. I have a CV14 that has been a slow starter for 30 years. It will crank around to the compression stroke, and more or less stall. Back off the key, and re-apply starter and it cranks, and then 99.9% of the time it will continue to crank and start pretty...

I always babied my Kohler. I was wrong. It was designed to run at the 3k range governed speed. The throttle has an indent to help users set the throttle properly, for about all situations. I thought I was being 'nice' to the engine but was informed 30+ years ago that the engine was DESIGNED...

If you have a warranty, call the support group and ask if they will swap out for another. You should not have to fiddle with a brand new engine. If you do not have warranty, get a spark tester and use it according to directions. If one side tests good and the other does not, you have localized...

OP actually did nothing recommended. Pictures would have been helpful as the Hart is likely not in many sheds, especially persons who would be able to answer their question. Likely the operator guide had troubleshooting notes and we have no idea if there are or if they were investigaged at...

When you turn on the hose faucet, the pump should not run until the pressure stored in the pressure tank is exhausted. The compressed air in the tank will force water into the system to feed the hose. As I sort of understand, you want the pump to kick on just before the air pressure reaches...

Yup, save $$ and save the pump by adding a pressure tank. Longer run time on each cycle with ~no loss of head pressure cuts the surge electrical current flow number and lets the pump do a run cycle before shutting down. As stated, the bigger the better with more noticeable effect if your water...

You might just try loosening the PS adjustment screw. They are mostly spring loaded switched with an adjuster to change the open/close pressure. If adjusted too high(by someone trying to get it to run) it would not shut off no matter the pressure. If you look at the PS I expect(do not know)...

The disclaimer I AM NOT AN ELECTRICIAN was to make you aware that I am just a guy who has done some stuff, but am not qualified to give electrical advice. This link is to the owners manual, including INSTRUCTIONS TO SWITCH TO 115V and parts...

Open PAINT program. Open the picture file. Find the 'reduce' image thingy near the top left. Reduce by 50% in both directions H&V. Click "FILE" and then 'save as' and select JPG. Name it something you can remember. Try uploading that. PAINT can make it smaller, but still legible. I...

In all cases I know of, the ground connection is not used in normal operation. It is to be the alternate path for juice to take vs going thru a person. The two used in AC current are the Line and the Load. Black & white. In 240VAC, there are TWO conductors, out of phase with each other so...

My first thought was valve adjustment, but considered two other possibles: lack of spark or lack of fuel. You can check lack of fuel by squirting some carb cleaner into the intake and trying to start. If it fires on the cleaner, you have a fuel problem. You can check the spark by...

Not necessarily. Generally the switch will break one leg(crutches not needed...) not both. When switching the 120V, breaking that hot will stop the pump. Breaking the same hot lead will also stop the pump when set to 240v mode. Takes two hots for 240, and only one for 120V operation. For...

I have used the PAINT program to lower the size of images. Some sites restrict the size severaly and the only option are to use another web site to hold the pics or reduce their size. tom

What Gord said. Take it out to a field, and put it to work for a half hour or maybe a full hour. Park it, and then start it from cold after it sits for a couple hours or overnight. You may find it has stopped being a juvenile delinquent and has given up smoking completely. If it had...

White smoke is generally NOT caused by oil being burned inside the combustion chamber. You may want to re-think replacing the cylinder head as the cause is likely NOT loose valve seals or guides. tom

Certainly you can try to run the pump on 120vac. There should be a diagram indicating how to wire power when set to the 120vac setting. Likely you will have line & load & a ground. Connect that way, switch the selector to 120vac and it should work. It could be there is a fault in the motor...

Note: I did NOT check any source for availabiltiy, nor did I do ANY price shopping. That is beyond my level of interest & knowledge. tom

https://www.jackssmallengines.com/jacks-parts-lookup/manufacturer/toro/riding-products/2004/74350-17-42z-timecutter-z-riding-mower-2004-sn-240000179-240999999/cylinder-head-assembly-briggs-and-stratton-31f777-0162-e1 cylinder head complete ... $213.xx .... lots less than $1250. If the customer...

You have what is known as a 'flat head' engine per the diagram at partstree.com. As the valves wear, the tip of the valve will get closer to the tappet which opens the valve when the cam lobe pushes on it. There must be clearance between tappet and the valve stem or the valve will not close...

Symptoms point to valve stem seal leakage, or worn valve guides. Mostly intake valve stem seals will allow oil into the intake when vacuum is high, or given time for oil to seep down the guide around the stem. If you did not replace the valve stem seals, it would be a decent bet that doing so...

Dreaded, the time I had the problem with the Kohler, after the leak was cured, the fuel consumption went from over 1 tank to do the front yard only, to about 1 tank to do front and back yards. Significant reduction in fuel consumption doing the same amount of mowing. The only thing changed was...

I think the numbers are stamped into the case. If you look up from behind the seat area, on the rearmost surface, you will find the model number. You may have to scrub a bit to see them. tom

Briggs & Stratton is in bankruptcy(was a few months ago), and Craftsman has been split into multiple brand 'channels', and is retailed by a few stores. Likely both produce overseas rather than within the USA as was done previously. Most people that buy at the low end have little interest in...

I would be checking the float height. To do so involves removing the carb and the float bowl. Then flip it upside down and view across the float and the lower edge of the carb body. Generally the float body should be parallel to the edge where the float bowl gasket seals. If the float...

If you have them local, Tractor Supply(menards?) sells 'tractor paint' in gallon size cans. Perhaps in quarts too, but either way the cost per oz is relatively low compared to body shop paint and the 'rattle can' paint. Check IH red to see how close it is... tom

I have had fuel lines that looked perfect fail to flow reasonably. The fuel over time had destroyed at least partially the inner surface and turned it into a maze. Fuel would not flow freely(gravity) through the line. You could check for gravity flow from the tank to the pump/filter, and then...

The fuel outlet inside the tank is getting clogged as the fuel falls into the tube leading to the fuel line. You may be able to remove the outlet(or not, depending on design) and clean up the schmuz, or will have to see if you can flush it out after removing the tank so you can position it to...

If is has a clogged fuel line, preventing the flow of fuel for starting at LOW rpms... how does a clogged fuel line feed the engine when it is running at HIGH rpms? The fuel demand increases with engine rpm, and cranking is low rpm, and thus low demand. If you have a shutoff valve, that may...

I have had good luck with JacksSmallengines and also with psep.biz. Pats small engine parts. Both have treated me fairly, and for the most part, if they advertise the part, they have it. Some sites still list parts that everyone else lists as NLA, get you to order, then futz around to reverse...

Did the new cam have the movable part that is spring loaded? That is the compression release that bumps the tappet/lifter when the rpms are low, and then swings out to stop bumping when rpms increase. It must be movable and also must return to rest when the engine comes to a stop. They are...