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Are you mulching? If so, let it discharge! If not, then check the bearings for each blade and each idler pully. Remove the belt and feel the bearings as you slowly rotate the blade or idler. Third, check the belt routing. Forth, if the clutch is the adjustable kind, an air gap is usually...

The instructions on those kits tell you if the flywheel has two magnets, out are out of luck, a weak spark incorrectly timed will result.

Once a welch plug is removed and reinstalled with a new one, seal the outside with nail polish. Nail polish will not dissolve under petroleum products. I use guitar strings as fine wire cleaners. To determine the root cause of a hunting operation, hold the throttle at various moderate settings...

I have serviced 50 or more in my many years. I suspect the top of the tranny has it's shifter mechanism high and every older unit I have opened for these conditions I find the corrosion on the shifter and it's ball detent. I later after learning this applied penetrant liberally on the shifter...

Over the last month, I have estimated about $6500 would have been saved or not spent trying to fix an issue rather than have it fixed. Remember repair shops do exist! Support your local shop. You may even find some very relevant support by asking some questions.

Wow! All this help does not start at the beginning. First, does it have a fuel shut off electrical device on the bottom of the carb? Is it quitting because of an engine problem or is spark shut down and it quits suddenly? When it quits does it sputter and stumble or simply quit firing? Does it...

When you say oil slinger, I assume you mean the governor, not the rod extended oil slinger on end of rod!

As already stated," first lets start with..." B&S has a simple online method to see what they offer, and I bet it is easy but .. is it a house, a horse, a car, a plane? Match what?

Valve seat is a definite possibility but more common is valve guide migration. Once they move from overheating, if in or out, either way complete valve travel will not occur, thus setting the lash will do no good. This happens far more often than seat in head coming loose. The best fix is buying...

I believe I have them in stock. To my knowledge there was only one part number for the spring/slot keys that engage into the appropriate gear when shifting. I refer to them as shifting keys.

Anybody can buy a B&S engine and put it on a poor product. Likewise, more China stuff out there than anyone knows. I also learned that some China produced engines made for various US brand names where black marketed to various OEM's without knowledge or valid US serial numbers by China. Get...

search for about 4 replies about a hard to start that I replied the fuel solenoid will not retract under 12 volts when cranking.

Another possible issue is higher load starvation. Fuel flow limited. Could be the cause of a sticky fuel anti after fire solenoid, the electric device on the bottom of the carb. It shuts fuel off with the key off. If it does not move fully, it can starve the engine. Also a sticky needle and seat...

When it comes to gas these days, we have all seen everything. algae, mold, metal forming oxides, plastics and rubber decay, and far more. Ethanol and additives and time are the enemy. If it runs on gas, in time problems will evolve unless it is dry. A few years back I had conversations with the...

In most cases, bending the throttle cable would be the wrong thing to do. Most times, the cable clamp must be loosened and allow the cable to move the linkage to full position for full choke. Engine max rpm is controlled by the governor. It might rev higher when you move the cable clamp but, if...

An important question was not answered and this is why it is important. The nopise could be a "simple" idler pulley that tensions the belt or the tranny. In neutral, let the pedal up and if the belt now in motion is spinning these ( or this) pulley and the tranny input shaft is spinning but...

We have seen 8 new carbs not function straight out of the box, mostly as a parts issue - storage. Ethanol is a solvent, not well liked by rubber tipped floats. We have added Marvel's mystery oil in our fuel treatment as a lube to valves, float needles, and rings. This has helped greatly. We also...

Also have a nice day. Glad it's good to go. Did not say you had no idea, you just did not tell me any diagnostics. A picture of me is not me - likewise a picture of a carb that looks like what you want to replace is not necessarily the same. Just tried to help as that is the goal here. When I...

OK - do what you want. ANY Authorized Kohler can do this or provide the proper parts. Most any repair shop can also order the correct part, but trial and error without the proper part number is what you want to do - I get it. It's to hard to get the model number and call a local dealer and get...

Just buy the correct carb - if the carb! Like already said - what diagnostics has been done. Many carbs are same appearance but different performance. Find a kohler dealer or on-line buy THE part to avoid issues. Also, why not stop and have a warrantied dealer fix it?

A copy of the old Speedex design.

bent, burnt or sticky valves - note intake must be open or timeing off when flamess come out carb - period. the other factor is a little harder to determine - a migrated valve guide that prevents the valve from proper travel or the rocker arm from proper travel, as the guide can migrate in or out.

model and type please if you want help. Also, I do not believe any had tree magnets, only 1 or 2 on the very old machins with points, other wise one. Ther are counter weights that may look like magnets and may have taken on some magnetism, but not part of spark system.

Timing is done with an offset dial indicator to piston .080" but I cannot remember if before or after TDC. Can be done with head off and normal vernier since I am probably one of 10,000 shops that still has the special tool to stick in plug hole with ofset shoe to measure pistoon position...

Made by Poulan and now under Husqavarna sub devision HOP and NLA.

There are firms that rebuild automotive clutch plates. They can make the part if you can find the right company, otherwise it's a hunt for NOS on Google.

But first, they will get you in biz for no investment and no cost and free education, and a free *** change. This only applies if you don't work.

Wow, this is an experienced report.

Everything I can add has been discussed except, under higher load and greater air flow, a wet air filter or air box might then add water to the combustion. I do put my money on blown head gasket.

The system is for evaporative emissions. There are many designs. The typical new generators have a vent line to the air box connected to the valve on the top of the tank. Many people fill the tank to the top, not paying attention to the do not fill above point. If they do fill that above this...

wHAT DO YOU MEAN "pLUG rEADINGS"

1) Some models have a recall. 2) After it has been run, try not using the stow feature and see if it acts differently. And this stow feature may be related to recall as the float in the carb has trouble reacting to the motions involved if I am not mistaken.

Think about it! 14 volts on both sides ( both wires) of the coil means you are not completing the ground seeking side of the circuit, because if you were, the voltage on that ground side wire would be near zero. Trace this reason and find the problem.

Welcome to aftermarket parts which are being supplied by the oem Tecumseh. Also, welcome to our world of Ethanol damage. Even NON-Ethanol is allowed ethanol in it by law. I have had 7 brand new carb floats fail to seal. We have gone to adding marvs Mystery oil into the gas to lubricate the...

Journal and crank specs exist for standard. No current engines under $1500 or so have specs for regrind of journal and a rod to match by B&S as far as I know. Part cost is usually less than regrinding journal and specs for regrinding are seldom properly followed. Buy the parts or short block so...

The fuel solenoid or "Afterfire Solenoid" on the bottom of the carb is most likely sticky. listen carefully, turn key on and off with brake set and see if solenoid feels and sounds crisp. These are very intermittent because they are at the bottom of fuel bowl and a very small deposit in bowl...

Often the rc12yc where recommended is a bit cold and in fact B&S has said if the plug is blackened to move to rc14YC which we find more often than not is the plug to use.

exactly correct. These are a stubborn fix. Get a squirt bottle of gas and wet the air filter and be done with it or fuss with the fix above.

no model type info,, good bye. No further reply from anyone as expected.

I agree, also if I recall, the timecutter blades are timed and driven by plastic cogged pulley that split in halve if you hit something, so do not hit an object!!!!!!!!!!!

If the front rod that pulls the deck along is the broken piece, order a new one, they are not that expensive and are heavier, so order two.

I am betting the prior owner knew of an engine problem and that is why you got it cheep.

Battery level of 9 volts or better at starter while cranking is normal. Some systems use both magneto ground to shut down and fuel solenoid loss of power to spring close the fuel in the carb from entering the main jet. Some newer models only use the fuel solenoid, which is a sticky thing often...

and that it is the proper stuff, as to thin or gas diluted can cause blue smoke. ALSO breather issue or clogged air filter will cause blue smoke from high flow out breather which then carries oil. Most common immediate sign, is oil in the cavity behind the air filter heading to the carb. Lack...

How silly is this, but it is illegal to cut it off as any modification to a emission part is illegal and that is an emission part. Who will enforce this law is the question. I just think it another stupid example of American law.

Check out the Bad boy at Tractor supply. The difference will amaze you! As for Cub, traction issues on nearly all cubs which I attribute to the compound in the rubber of the tires, but I confess, that I have no feed back on current models as to this traction issue, let alone the specific model...

I believe you either must make an issue of the fence in some locals or the property line becomes moved in accordance with the structure distance, thus you loose property if let alone. I also believe in some cases/local laws, you can claim the fence as yours with legal action or have it taken...

sounds like carb linkage problem and choke is on at least partially or if auto choke, not coming off.

This reply in on point but did not list that the engine rpm is not steady, thus another back and forth against the pin. The pin and the hole in the clutch must be similar sized and the deck belt and engine rpm must not aggravate the pair.

I have been servicing small engines since 1966. I get this change for two reasons. IN all those years, I have never seen an engine worn out from dirty oil. I have seen hundreds dead for lack of oil. Second reason is our world can use less oil changes for small engines, as much of it ends up...