Dillsburg Small Engine Repair

Dillsburg Small Engine Repair Small engine repairs and sales by Mike. Everything else, check out Dillsburg Repair
Workshop teachings and parts sourcing for DIY'ers available

All snowblowers with the chinese engines and the wrap around plastic housing. They have a design defect where the bowl g...
01/24/2026

All snowblowers with the chinese engines and the wrap around plastic housing. They have a design defect where the bowl gasket is too thin and inadequate.
Huayi carb
Bowl gasket upgrade
Metric o-ring size 326/G45
Light stretch and install.
This stops the gas leak dripping while running, dripping when leaned/tipped. Solves no prime caused by bowl seal leak. (Bowl is pressurized by primer and the pressure displaces the gas up into and past the main jet, and the gas shoots into the throat of the carb)

Troy bilt 3090 2 stage snowblower - carburetor main jet. 2nd Troy bilt, 5/21 diag (old gas), recoil re-rope and carburet...
01/20/2026

Troy bilt 3090 2 stage snowblower - carburetor main jet.
2nd Troy bilt, 5/21 diag (old gas), recoil re-rope and carburetor tuning.
Both running good now, each bill was less than 100 bucks!
Word around town is snow this weekend.

IMPORTANT DILLBILLY FREEBIEWINTERIZING:Starting your machine once a month and replacing or using all of the fuel every 6...
01/06/2026

IMPORTANT DILLBILLY FREEBIE
WINTERIZING:
Starting your machine once a month and replacing or using all of the fuel every 6 months is the easiest way to store your equipment. They would rather be exercised instead of being hibernated. If you anticipate resting your equipment for more than 6 months, add about one ounce of fuel per gallon of gas and run the machine for a couple of minutes with the oiled fuel. This will "fog" the cylinder with oil and coat the carburetor in a stable oil that prevents corrosion of the valves, rings, cylinder, and fuel tank, while also preventing jet blockage in the carburetor. An alternative to this is draining almost all of the fuel and dumping the oil directly into the fuel line, which is fine if you have a plastic tank that doesn't corrode. A metal tank collects condensation with or without fuel, and watery gas is easier to work with than a corroded and frozen (possibly cracked and destroyed) carburetor. The ethanol in 87 octane fuel mixes with the water and has an antifreeze effect, and it will hold the water in suspension and the machine will run great until the saturation of water reaches the point where it falls out of suspension and begins to pool at the bottom, which sadly happens immediately with ethanol free. The only ethanol free fuel I recommend is VP racing 4 stroke ethanol free fuel in the grey cans, but it is expensive. Regular pump ethanol free has been proven to be less reliable in terms of starting and running when the machine goes unused for one month intervals, and 87 octane e10 (10% ethanol) was shown to be the most reliable and last the longest, beating every other fuel including 91 octane, and 87 octane with stabilizers, except stabil 360. The best fuel to use would be 87 octane with no store bought stabilizers. See the taryl fixes all fuel study on youtube. Fascinating stuff. Adding a dash of oil to the fuel also has the added benefit of lubricating the float pin, valves, throttle plate, and upper cylinder.

RODENT DAMAGE:
Rodents love an unused machine. If you regularly use a machine, a rodent will notice the disturbance in smell and placement and likely steer clear.

PREVENTING 2 STROKE FAILURE:
Run more oil than you think you need in 2 strokes and label the gas can as soon as you mix the fuel. If you're unsure of whether or not a friend or family will remember to use oil in the fuel and mix it to the right ratio, give them a fuel can with premix. Tell them it needs oil in the fuel to run. Ask me about the studies that prove reduced wear and more power on a richer oil mix, all the way down to 20:1 and 16:1! (Be mindful of the noxious exhaust and reduce the oil if you can't handle it). I recommend 32:1 in general, but 16:1 is optimal if you can handle the oil cloud. 25:1 is an incredibly safe mix that doesn't have such an obnoxious exhaust. I see permanent damage from 40:1 and 50:1 all the time unless you run redline/amsoil/VP racing premix. If you run the most expensive oils above or off the shelf premix from VP racing (not trufuel) you won't see any wear with 40:1 and 50:1. The quality of the oil matters the most if you're running light on the oil. The quantity of oil matters the most if you're running an unknown or untested quality of oil. I have heard great things about echo red armor oil, but haven't scoped any pistons or cylinders to be able to confirm myself. Stihl "ultra hp" grey bottle oil has shown to leave deposits on pistons, whereas the cheaper orange bottle oil does not.

DIY MAINTENANCE:
Don't tip your mower or snowblower to any extreme angle unless you want a mess and possibly a fouled spark plug. The crankcase vent goes right into the intake, and the oil can flow into the combustion chamber and cause a no start or just cause a huge leak onto the floor. It ruins air filters immediately if they get oil soaked. Placing a plastic bag in between the gas cap and the tank, then tightening, can prevent a vented cap from dripping fuel.

SAFETY:
Many mechanics lose fingers or hands from working on machines without disabling the spark or removing the spark plug. Removing the spark plug is the easiest way to make a machine unable to start unexpectedly.

MAINTENANCE TIP:
The most important part of maintaining a machine is making sure the lubricating fluids are not running low. The only time I've ever seen an engine wear or blow up is from a lack of oil. You're supposed to check the oil level every time you go to use a machine.

STORAGE:
A tarp over a machine causes just as many issues as no tarp over a machine in the elements. The best place for machines is indoors. Rain and sunlight age and corrode the pivots, fasteners, plastics, and rubber. Water can intrude into the fuel or oil. A tarp may partially solve the UV damage to paint, rubbers, and plastics, but a rodent finding a sturdy and dry home is a real problem.

BUYING EQUIPMENT:
Used equipment on marketplace is usually half the price of new, if not less, and is often made better than something you can buy new at the store. Older equipment was engineered for serviceability and robustness, whereas modern equipment is computer designed to reach a price point and last for a specific time. When buying used, test the equipment as if you are doing a usual job with it, and make sure it runs well. If you must buy new, make sure it's a professional machine and not a homeowner style machine. Name brands help to ensure part availability.

Stay away from stihl 4mix equipment. They have plastic engine internals and a failure prone design.

Fun double whammy, exmark zero turn and MTD 5/24Zero turn full serviceSnowblower diag "doesn't drive"The wheels needed a...
12/08/2025

Fun double whammy, exmark zero turn and MTD 5/24
Zero turn full service
Snowblower diag "doesn't drive"
The wheels needed a little help, the pins weren't positioned right and one side of the axle wasn't engaged with the wheel. This must've allowed the wheel to slide off the axle and that is how I reckon the gear moved and the key fell out of the keyway in the first place.
It needed a key for the drive gear keyway. I made one fit perfect then antiseized it on reassembly. The wheel pins being in the right position and going through the axle stop the axle from sliding in the frame. Antiseize on the keyway and greasing the interface of the wheels and axle ensure that they don't seize and makes the machine easier to service later.

12/08/2025

Stihl 029 super all done.
This is a healthy saw. When something is tuned right, you can start it like it's nothing.

Stihl 029 Super chainsaw. It has a bog in the cut. I found a lot of things on this that contributed to the problem:Coil,...
12/08/2025

Stihl 029 Super chainsaw.
It has a bog in the cut.
I found a lot of things on this that contributed to the problem:
Coil, flywheel area, cooling fins clogged with sawdust
Carburetor diaphragm crispy, should be pliable
Chain done by another shop, with no hook or "gullet" on the teeth
Clutch drum has greasy buildup (can cause clutch slip)
Area around clutch has oil and sawdust buildup

Piston and cylinder looked phenomenal.
Oem walbro carb kit and a lot of cleaning got this saw running great. Everything gets done exactly how you want it.

Getting your snowblower ready before any blizzard hits. This just needed the carburetor bowl and jet cleaned and thread ...
12/08/2025

Getting your snowblower ready before any blizzard hits. This just needed the carburetor bowl and jet cleaned and thread repair on the bowl bolthole threads. If you're ever unsure of how to do something or how tight to make something, just call or text. My 2 cents is free!

Cub Cadet Pro Z 500Dies intermittently after 1 hourFuel pickup getting clogged from rope, pine needles, dislodged tank s...
10/23/2025

Cub Cadet Pro Z 500
Dies intermittently after 1 hour
Fuel pickup getting clogged from rope, pine needles, dislodged tank seam cast flashing, and a tree nut.
I wouldn't trust these gas cap retainers unless they had a mechanical attachment. They go on and pop off with a friction-snap fit which often allows them to drop into the tank when a heavy gas can bumps the hanging cap.

10/08/2025

McCulloch PM610 (amazing saw with an auxiliary manual oiler) carb cleaning, fuel lines, filters, tune
Husky 455 Rancher. Carb, fuel lines, filters, tune.
Dropping off saws - I like to make sure the saws hot idle well and hot start easy on the first pull. The old McCulloch still had the original machining marks on the piston and cross hatch on the cylinder walls. They don't make them like they used to.

Me, going on a deep sea dive to find why your kubota dies one hour into a mow.This was the inside of the gas tank!Grass ...
08/22/2025

Me, going on a deep sea dive to find why your kubota dies one hour into a mow.
This was the inside of the gas tank!
Grass clippings, sediment, and a plugged pickup tube. Tank removed and flushed until spotless.
Long term fix was a custom little strainer I made to fit the pickup tube end. It has a small hole on the bottom and a lot of small holes drilled around the circumference to flow fuel in the case of sediment or grass clippings migrating to the bottom. The ridge prevents anything from sucking tight to the pickup and restricting the flow. It looks like a little UFO

Obsolete tie rod, ball popped out of the pocket.Fixed with a little ingenuity and a welder.
08/22/2025

Obsolete tie rod, ball popped out of the pocket.
Fixed with a little ingenuity and a welder.

Craftsman R110Leaking needle and seatDiag and repair. Almost all of the single cylinder briggs engines have bad nikki ca...
08/03/2025

Craftsman R110
Leaking needle and seat
Diag and repair.
Almost all of the single cylinder briggs engines have bad nikki carburetors and need this when the crankcase and combustion chamber fills with gasoline
5/32 ID 9/32OD 1/16 thick o ring
Small nitrile o ring kit.
Seals the fuel inlet.

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Dillsburg, PA
17019

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+17174407624

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