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First thing I would try is run your jumper negative to the battery negative and then touch the jumper positive to the starter power post. If the starter does not spin, the starter has failed. If the starter spins, you have a safety switch or wire issue. Unbolt the right-side plastic panel and...

What are you calling a headmaster? Is that the cylinder head? A regional term I have never heard of? Did you resurface the head with fine sandpaper on a good flat surface like a glass tabletop before installing it? Was the gasket replaced and the head bolts torqued properly? In each cylinder...

Advertised sales are nice but are easily a false bait. With any purchase like this, don't trust anything about it unless you can talk face to face, and you test run the equipment. There are too many people who will gladly take your money and tell both impressive and pitiful stories to get it...

The Predator engines are not built to last for long. I would get this Kohler running and keep it for a backup spare. The Kohler is hands down the better engine. Isn't the K91 a points ignition engine? He may have assumed it was a bad coil and it only needs a good tune up. Points gap: .020...

Have you verified both cylinders are operating? These engines will run on a single cylinder and not vibrate. Try using a spray bottle and spray a shot of water on each exhaust outlet tube near the head. The water should boil off immediately. If it does not on one side, there is likely a coil...

Sounds like you have a fuel supply issue like a dirty carburetor or a mounting gasket leaking. Adjusting valves too tight will result in faster valve and seat wear. These clearances are designed in to compensate for heat expansion of the components. Valve clearances are recommended to be only...

Have you verified both cylinders are actually firing? Spray a shot of water on each exhaust pipe and watch for it to boil off immediately. The one not boiling off is the none firing cylinder. These V-twin engines will fool a person because there is no imbalance/ vibration. Pull the upper fan...

Around my area, I'm "blessed" (cursed) with people racking up their credit cards to buy $5000.00 dollar mowers instead of maintaining or repairing the ones that they have. It is seldom I even sell a decent used mower these days because everyone wants new. When it comes to weed eaters...

Thanks Star Tech, Many of us have always worked with published manuals or CD copies and seldom see the updates that come along.

Gee! Everyone wants to sound scientific. Keep it simple. Pull the plug and remove the rocker cover. Rotate the engine by hand in the normal cranking rotation and watch the intake valve movement. If the compression release is working, there be a quick bump of the intake valve before it opens...

The Wattage rating numbers on generators can be confusing because many buyers/users do not understand "surge rating" as compared to constant load rating. Consumers usually buy underpowered portable generators and are disappointed when it will not operate everything in their house or shop...

Do you have a printed source for this information, or was it passed through a "grapevine" network? Was this on one particular v-twin engine design?

I have a lot of older Briggs & Stratton engines still going strong, most are the much older flat head design. For longevity, I gotten the best life out of Kohler engines when it comes to riders. Honda is a close second when it comes to other power equipment. The way emissions laws are going...

I have replaced a few camshafts due to a bad compression release mechanism, but most of the time owners don't want to fix them. I have 3 of them right now in my scrap mower collection. I don't trust the replacement cams offered enough to invest the money and fix them myself. I have had too many...

Pull the head back off and get some 220-grit wet/dry sandpaper and a very good true flat surface like a tempered glass panel. Lay the paper on the flat surface and hold it. Place the gasket surface of the head on the sandpaper and slowly scrub it around to sand the gasket surface. Look at the...

Hi Gary 8241, From your description, the compression release mechanism made onto the camshaft has given up. What is worse about the situation is that aftermarket cams and even new Briggs cams are unreliable.

Sounds crazy, but it happens... Go to the battery and clean the terminals and cable ends really well. Even the most minor corrosion film will prevent electron flow (power) to the machine.

Maybe, plastic dental toothpicks would work better as long as it's not forced, they're tougher than wooden toothpicks. The ones I have the most trouble with are super tiny jet orifices in the import scooters. Usually, I have to use a single wire strand out of an old section of throttle cable...

The true test will be under load, if it bogs, the main jet will need better cleaning other than just stabbing a small random gauge wire through it. Usually, If I don't have a correct jet pin tool, I will put a wire through and then turn, spin the jet on the wire and use some carb spray to clean...

I don't use the J19LM plugs very often because the heat range is so high. Going old school, I normally run and engine 15 minutes or so (high RPM under load), pull out the plug(s) and expect to see a very faint light tan appearance on the electrode porcelain. I have found high heat ranges are...

Hello ILENGINE, I agree with you when it comes to most automotive applications, but I just have not had issues with Champion on the small engine stuff. It's for sure most resistor plugs are worthless if they have been dropped on a concrete floor or mishandled, because the barrel resistor...

I've always trusted Champion, but I have to search the number myself because parts people think they are all the same, so they just sell you the first one they grab that is packaged as a "lawnmower spark plug".

"Run Forrest Run" This is more than "just needs a starter". If you are a mower mechanic, this would be a great deal even if it needed an engine replaced. But, if you are a DIY novice with limited experience, let it go.

Hi Greg, I've installed a lot of Ebay carburetors over the years, and I guess I've been lucky. I seldom deal with Amazon due to past problems. Used equipment is hard to repair and turn any profit these days, but there are a lot of people who cannot afford to buy new equipment or OE parts...

Make sure the seat switch is operating; they are in series with the park brake switch

In my area very few people buy the expensive pre-mix or special oil, they prefer to mix their own. Usually, it is "by eye" and if they see light smoke, they figure it is good enough. I run across carbon choked mufflers with and without exit screens or spark arrestors quite often. Usually, I...

Can you provide a picture and the ID plate information of this generator. As a general rule, most American portable generators are governed at max 3600 RPM (loaded) to provide approximately 60Hz. Very few have a low idle unless it has controller solenoid operation. Canada and Europe run their...

E1550 is just the engine series, they made a lot of variations. If it is the engine I am thinking of, the numbers with be "dot" stamped on the left side of the engine block, opposite of the carburetor side. Clean the block off and make sure you can see them clearly. Write them down and then...

Stop buying hardware "box store" models, they do not have the quality or reliability of a commercial grade. I suggest a rider with a minimum 25hp Kohler, and a 54"-60" cut. Look for a heavy welded "fabricated" cutter deck and stay away from the stamped 1-piece formed decks. Name brands are...

I would go back to the dealer and look at similar units. If you bought this from a big box store, they would not have a clue. A setup and pre-delivery manual would have the information if one can be found. (online)

When installing new rings, always hone the cylinder with a fine grit hone. Honing will "break in" the new rings so they conform to the true cylinder diameter. Without honing it will introduce oil consumption. The "crosshatch" pattern that honing provides, prevents oil from having a straight...

If you see mouse damaged wire, stop and get customer approval before dismantling the machine. There will be much more mouse damage hidden under the panels in dark areas where they like to hide.. Just performing a routine service does (not) break a customer's machine. Rodents are attracted to...

Are you also factoring that an average gallon of gas weighs 6 pounds and that weight (per gallon) is applying pressure to the exit nipple to get out of the tank if it is a bottom feed style? If it is a siphon feed style like many zero turns are, the fuel is siphoned/ sucked "uphill" by the pulse...

You need to quit jump starting it and put the battery on a charger to get it fully charged. Fortunately, you have not burned up the stator (yet). The charging system on the machine is for maintaining a fully charged battery, not to recharge a low or dead one. Once a fully charged battery is...

Worn or wrong spark plug? Also, the fuel tank likely needs to be removed and cleaned. Check the fuel line because they installed a slip in line fuel filter/ strainer on many models and they would get clogged up. Good engine but had some design flaws that created problems like you describe...

https://www.partstree.com/parts/snapper-7075031/?msockid=36045d8712a06a93126c4e5c13a86bc2

I suggest you take some dimensions and search Ebay or Amazon for toolbox lid shocks or dampeners. I am sure the dampeners you are looking for were designed for multiple applications.

I usually see 3-4 every mowing season. I think it has a lot to do with the Texas heat where a I'm at, combined with modern Ethanol fuel. Regardless of the tank height, a leaking pulse pump will create a siphon affect. It's funny to find a tank practically empty, but the crankcase is full of fuel.

I looked at your generator pictures and I have one just like that in my collection. A couple of things to mention is wrap your fuel lines or put a section of hose over them to prevent excessive heat from the muffler causing problems. The next item is to add an inline shutoff valve where the...

I looked at your generator pictures and I have one just like that in my collection. A couple of things to mention is wrap your fuel lines or put a section of hose over them to prevent excessive heat from the muffler causing problems. The next item is to add an inline shutoff valve where the...

I have seen worn electric PTO clutches produce a knock at low RPM.... if this has an electric PTO

You are running lean. I recommend you pull the fuel tank and clean it, then replace the soft fuel lines. Debris collects over time and restricts the tank fuel line nipple and fuel lines collapse internally with age and the modern fuel is very harsh on the lines. The next possible problem is...

Can you provide make and model of engine and equipment in your posting? My crystal ball is out for repairs (LOL). Has any inspection been performed? Sudden failure with noise before locking up?

If it blows the gasket again, you will need to resurface the cylinder head. A nice flat surface and 400 grit wet/dry sandpaper work perfect. I use and old stove tempered glass panel for my flat surface. Proper head bolt torque is also important.

The polarity on the PTO clutch wires is a possible unlikely because it is a simple electro- magnet. The seat switch is operational, and the unit drives fine. If this is a twin cylinder engine, have you verified both cylinders are producing power. A twin will run on one cylinder and sound fine...

They do it to sell more products.

"an awful banging going on every time there was a rotation" Can you say connecting rod broke? Pull the plugs an put a finger in one plug hole at a time and see which one tries to blow your finger out when cranking. Beter yet, the tip of a spark plug will likely be damaged.

Connect the negative jumper cable to the negative battery terminal, touch the positive jumper clamp to the starter power stud. If it spins over there is a wiring issue such as the frame ground. If it does not spin over, the starter brushes are shot, and you need a starter.