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In the back of the owners manual you should find a wiring diagram or schematic. That should have the proper fuse size noted. I think the 'text' portion of the owners manual may be more generic while the schematic will likely be more accurate. An opinion. That said, unless you have things...

As suggested, you may be running on one cylinder. If both are functional, holding a hand NEAR the exhaust and comparing one exhaust to the other may indicate readily that one is colder than the other. They both should start to heat up within seconds. That would indicate either a coil/magneto...

I think a wipe of silicone oil on the sealing surface may make the RTV release easier. I know it works when using filled epoxy such as where you have damaged threads on the brake retainer bolts on a rider transaxle. There were some threads, but not quite enough to feel secure. Once the epoxy...

Getting closer to 80 every day, I find that I make more mistakes than I think! I did in the past. I have come close to swapping the red and the black... but luckily took a second look. Not seeing the car stopped in the lane ahead as I glanced over at a intersting roadside attraction, but...

It would not hurt to check that the spring that the idler uses to tension the belt is not weakened. If the belt does not have enough tension, the belt will slip, get hot, get hotter, and finally start to smoke. It would take some time for the belt to get hot. I am not sure whether you have...

Yabbut. If you had a 21" mower, any brand, with a B&S engine on it, would you invest in replacing the piston and rings? Rings alone? A connecting rod? Or actually in most buyers' case, having a shop do any of those jobs? I do not think it will be done by most purchasers of OPE. Commercial...

The shoes I arced would have been for mid-1950s cars. I think they had asbestos as part of their friction material. Long after, I heard of the potential problems. I think most mesothelioma patients were exposed over a long time, regularly. At least I hope so, not to wish it upon anyone.

If you search for 'how much exposure to asbestos is dangerous' or similar, you will find that a one-time exposure is not considered dangerous. Of course it is best to avoid the dust, and every effort should be made within reason to avoid any exposure. I can attest to having been exposed to...

I would be more concerned with a leakdown test and a oil pressure reading. If you have minimal leakdown, both rings and valves should be in reasonable condition, and would have a remaining working lifespan related to how well they currently seal. The oil pressure should give an indication of...

Given how lightly the blade brakes are used, never going downhill on the I-55 with a trailer full of firewood... They should last a long time and the glue used likely does not have to be rated for high temperature. I would get some epoxy or some filled-epoxy such as JB Weld and use that. Make...

Obviously my comment was directed at the US market for pickup trucks. The premium paid for better fuel economy and low end torque, especially useful for towing, extends the payback time such that most original purchasers will have sold the vehicle long before. I realize that many countries use...

The increased purchase price of diesel engines in pickup trucks made them uneconomical unless the miles driven annually were high. Those who bought thinking they were going to save money may have realized the increased investment had a pretty long payback time before actually costing less than...

If you are a bit lazy, and want to check for fin blockage, you may be able to slide a hand under the cylinder, between cylinder and chassis, and feel for good airflow being blown from the flywheel blower down past the finnage and onto the top of the chassis. If the flow feels good and strong...

Has anyone checked the oil level in the sump? Remove the filler neck cap, wipe clean, place cap on the filler. Remove cap and inspect oil level. If no oil showing, odds are not in your favor of a pleasant surprise outcome. Removing the cooling shrouds will make access to the flywheel easier...

If your are using machines that have cork seals in their carburetors, you likely can make your own ETOH free fuel and have adequate octane for use without worry. I do not think I have anything newer than 1990 that has cork seals. anywhere that I know of. I have a Craftsman(AYP) push mower with...

Tell me the compression ratio of these OPE engines. My bet is none of them would even note the difference in octane with or without the ETOH being present. Most are pretty low stressed designs, and likely could work fine with lowered octane. I will not tell anyone to buy a particular grade...

Make you own ethanol-free fuel. If you add enough water to a container of E-10, it will combine with the ETOH and being denser, will fall to the bottom of the container. Above the layer of water is fuel without any ETOH mixed in. If you can decant successfully, you can leave the water at the...

A 'stalled' DC motor will pull a lot of juice. It would not surprise me to find a fuse or circuit breaker that got popped when the armature came to a quick stop. Mechanical damage to the internals of the motor may also have occurred. Have not seen a reply to the request about the blade...

Wispy smoke from the dipstick tube is normal immediately after shutdown. There is a hurricane of oil inside when the engine is running. That will create a mist that can look like smoke. The pump could fail with a punctured diaphragm, but likely would not work well. The crankcase pressure...

If you had the fuel pump out of normal positioning, it could have gotten crankcase oil behind the diaphragm. Then it would take time for it to get pushed out. If there was enough oil behind the diaphragm, it could make the pump inoperative or cut its performance. There has to be a path from...

You can cause the ethanol to separate out of your E10. Just add water. The ETOH will combine with the water and fall to the bottom of the fuel container. Decant the ethanol-free gasoline that lies atop the water and you have fuel without ethanol. Try it with a jar of fuel, adding some water...

Did you check the pattern pretty soon after starting to move the head around on the abrasive? Likely you would see an area on the side towards the pushrod chamber that was not getting shiny right away. Other areas possible. Either way, if you checked after removing the gasket remains and...

Are you sure you want to put that much into this machine? I would look on the local web to see if there were similar or adequate replacements.You might find the same model being listed complete for less than your parts list so far... How old are the drive tires? How is the tread? How are the...

Sometimes the only luck you get is bad. You went above and beyond doing the repair at no additional. It was going to happen, and you were just lucky enough that more, unfixable damage was not done. The rod bearing bit shown does not look 'good' to my old eyes. It is possible you were running...

If you actually have ZERO oil pressure, you would likely have bearing failure occur a lot sooner than rocker arm/pushrod damage. Did you connect to where the oil pressure switch is screwed in place? When it runs, does the oil filter get hot? Flowing oil would make the filter get hot enough...

Either intermittent valve sticking in the guide, or hydraulic lifter pumping up and not letting the intake valve seat could cause back puffs. Have you checked the cooling fins for any sort of blockage such as clippings or nests? Has the oil been changed regularly enough that it likely is not...

Not sure what is chattering but have had RWD mowers where the inner teeth on the wheel were worn such that after reversing manually(pulling backwards), they would not engage properly when trying to move forward. The teeth on the gears inside the gearbox are spring loaded from memory, and have...

There is an app on google play for apple & android named "engine rpm" that may give usable readings. The web site indicated is: www.tunelab-world.com/rpm The author is very responsive to queries(at least was), and likes feedback. Real Time Specialties in Hopkins, MN is the maker. Manual at...

The lifter was not allowing the oil to bleed when valve pressure was removed from the pushrod. The internals are supposed to move freely, and open the 'capture' chamber so oil can relieve the pressure. When the lobe starts to push on the lifter base, the insides move and close the relief valve...

I have had zero complaints dealing with PSEP.BIZ. Pat's Small Engine Parts. They shipped what was ordered quickly and correctly. AFAIK they have a fixed price shipping, but that may have changed. I used their 'sand blades' on a 42" AYP(Craftsman) for over 5 years with no need to sharpen...

Before reading of the altered valve lift, I was going to suggest checking the governor linkage to see that it was attempting to provide full throttle when the load increased. I would also compare valve stem height on both valves and the rocker arm mount to be sure it had not started to move out...

Unless you know differently, I would expect the relay could be designed to supply power to the hour meter when the engine is running(or the ignition switch in RUN). You may have a wiring schematic in the owners manual, might find one searching the net, and know for sure. If you want to...

If your engine does not need synthetic to protect for extreme heat or slow flow when cold, then you can use conventional oil without any problems. OTOH, if you want to spend more per oil change, synthetic is perfectly fine to use. The engine was designed with conventional oil as the...

Years ago a Honda-powered pressure washer needed a bit of cleanup. Did that, added fresh oil and fuel, and fired it up. It ran for a while, and was put to use. A few hours later, the engine would not start. I checked for spark, and there was none. A new mag was ordered and installed later...

When you apply the brake and lock it in position, you are putting a load on the geartrain through to the drive axle and wheels. The brake disk just locks a shaft linked to the output shaft and thus the drive axle/wheels. I think with no basis that there is some wear internally that is causing...

I may have missed it, but am under the impression that the carburetor is a Nikki. I have one so equipped and the ABF solenoid is unique, to say the least. It holds the main jet inside the part that screws into the bottom of the float bowl. The jet is almost like a coin with a hole drilled...

If you run at slower rpms, the cooling effect of oil being splashed everywhere is reduced. You may starve parts of lubrication they would get at full operating rpm. Additionally, the cooling of the flywheel blower is also reduced at lower rpm. Does lower rpm produce less heat? Probably...

B&S commonly put a diode right in their harness leading from the engine. It was wrapped in heat shrink and very near the plastic connector. You would need a diode to prevent battery discharge when the engine is off. The other need for a diode is to prevent damage by the 'back EMF' that occurs...

Wonder what the owners manual says about the hour meter. The thing owners should want to know and measure are engine hours to keep track of maintenance and adjustments. Sorry, who gives a fiddle about how many hours the deck has been spinning the blades. I wonder if the power lead to the...

Not knowing the model, does this have two drive belts for the transmission? If so, replacing in pairs may help. If it is one with a deck drive belt and a motion drive belt, things to check are 1)idler pulley position/alignment and bearing condition 2) belt guide/guard condition and position 3)...

If bought from a reputable, authorized dealer, the sale should have been reported to Ariens, along with the owner sending in or filling out some sort of registration. If bought elsewhere, with no paperwork, why would anyone expect any sort of warranty? Is there any indication other than serial...

You can use a magnet to poke around down the channel where the missing pushrod used to be. Use a flash light and magnet to see if you can find the pushrod. If left internal, it can damage the other parts such as cam gear, governor, and more. If they are not already damaged. The pushrod...

Somebody is forcing an earthquake in the use if IC engines. Rules and regulations are enacted or dictated(regulations are not law) at the whim of unqualified people. I do not believe any sort of cost:benefit analysis has been done on electrification of OPE. Th PTB do not seem aware that the...

I can get the "Ha-ha you missed me!" in two ways. Turning sharply and maintaining the same speed, I think the overlap normally occuring when mowing straight ahead does not occur as much, so some is left. The blades are staggered fore and aft so they can be 'closer together' when mowing...

I kind of like the 2nd reply here: https://bobistheoilguy.com/forums/threads/air-cooled-engines-need-the-very-best-oil.360167/ It makes sense to me. How many old pieces of equipment are still around and running, that were always fed 'a good grade of 30W motor oil', a phrase I remember from...

The SuperTech may not be as good as some national brands. Well, you can do your changes on shorter intervals if you feel it does not provide adequate longevity. Checking the links, $10 for a quart of Pennzoil is a bit much for me. The Walmart links are less pricey at least right now. I...

Senior Citizen and Mparr, see Saturday 8:40AM... already noted that this was likely left out in front of a BigBox store for some time, rain and all. Inspecting and lubricating the pulley bearings seemed to be a good idea when noted. If the belt sat in one position unmoved for a few months it...

Most of the engage/push levers have a spring to pull them so the mower will move. If the spring came loose, had the end rust off, or is blocked by bunches of clippings it will not seal. You may have dislodged a bunch of detritus onto the lever when installing the belt. If you can't see it...

If this is a brand new machine, the rust on the pulleys indicates to me that it was left out in the rain, or was pressure washed or ???. Given that, it is possible the pulley bearings are free of lubricating grease. Pressure washers produce enough force to physically push the grease out. If...

If you can move the mower with the 'release' lever in the normal position, not the push-me position, then internally things are either leaky or disconnected, or the release valve is not sealing properly. Wheels on the ground, in N or any drive position, the internal motor is linked to the drive...