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How about testing the needle and seat to see if it is sealing. Do this with a know quality float installed. Knowing is a time saver.

Thoughts to ponder about motor oil “Without promotion, something terrible happens... nothing!” -- P. T. Barnum

Ya know who you are.

Good diagnosis start with a complete visual inspection. Engine off. Interesting what ya find. Remove belts to check for noisy or worn pulley bearing. Ya usually find the problem and other potential problems as well.

Thanks for your input. Just tired of all the options on the net, as you stated multi size belts that are close but no cigar. Price ranges as well.. $7.00 - 40.00 or more price swing for a 80 inch belt and no idea who manufactures them. Drives me nuts. Decided to find a old name manufacturer that...

Gates site : https://www.gates.com/us/en/industries/lawn-garden.html

This craftsman tractor model number 917.272220 has this high back seat. Those low back seats are not comfortable.Seat part number : 401043

Yep, we have the best legislators money can buy.

With carb installed on mower and ready to start the carb butterfly is by default open. Wide open. If not, good luck get'n it started.Linkage issues or adjustment can cause this.

Some where on the flat or outside of the belt is the belt number . Can be worn off , but good place to start.

Craftsman vented decks cut best at lower settings. As cut height increases cut quality decreases. As mentioned blade speed is set with throttle lever in the notch and is designed to cut at that rpm. You can control the ground speed. Slow'n the ground speed can increase cut quality. Make sure...

Just look at all different rider options with a 42" deck. With that and your 45 years of mow'n experience you will soon see whats what. If your do'n your own repair work stay away from MTD or any box store brand made by MTD. Not mechanic friendly.Cast iron front axle is a must. Do agree that...

A Honda engine trainer suggested to install a sealant film that you could smell. These machined case's require very little sealant. Also suggested not to mess with the old sealant. Just apply new sealant . Assuming first sealant was correctly installed. Permatex® Super “300”...

Key # 55 spring will break. Located on the right front under side of the frame close to the side. Easy to miss. 105709x , clutch return spring. Worth a look. Good luck.

VERSATILE AND DEPENDABLE: J-B Weld MarineWeld is steel reinforced, has a tensile strength of 5020 PSI and can withstand temperatures up to 550 degrees Fahrenheit (287 degrees Celsius). When fully cured, MarineWeld is waterproof and resistant to petroleum, chemical and acid. It retains strength...

Greetings. Belts always go between belt guide or blade brake pad and the pulley .

When we suspect internal damage we would inspect the oil and oil filter for flakes of worn parts. Looks like metal flake paint . I have used a briggs 18.5 model number 31h-777-0202-e1 for five years. Sounded like a rod knock when I bought it. Use it a lot and pull regular maintenance . Still...

Here is an idea. Check oil before using mower and use these.

Thanks , I did hear.Go to the source with a long dowel or ready rod etc. between the engine case and your ear to check noise/engine rpm relationship.

Think'n a rod knock would change with engine rpm increase / decrease.

If the muffler bolts are frozen a quick test is use'n liquid compression. ( motor oil ) through the spark plug hole. Does not take much oil to fire a worn piston / cylinder combination.

Did you ever run this engine before tear down ? Sounds like it's been rode hard and put away wet. Maybe it's worn out. Bore Diameter 3.4365 in. (87.29 mm) / Bore reject 3.4395 in. (87.36 mm) / Bore Out-Of-Round .0015 in. (.04 mm)

Lawn tractor engine mounting should not be an issue. But is easy to check like flyerdan stated.Wiring,exhaust, bottom crank shaft length and O.D., throttle / choke cable length and fuel tank location , to name a few, can cause issues. Make sure both have carb solenoid wiring / or not. Main...

Greetings. Not sure on the mower manual. Looks like a Tecumseh engine. Think'n tecumseh model number should be located on engine shroud above spark plug. First 3 digits 143. xxxxxxx. Plug RJ19LM, .030 gap. 30w oil in the summer. Make sure cool'n fins are mouse nest free. Not sure on the air...

Yep , and the brake arm rollers freeze up. That area on the deck collects garbage that acts like mulch and holds moister to rust everything up.

How about a example of when this actually happens. Does it happen all the time ? What's you model number.

Start at the steering wheel. Check for play between the steering wheel and shaft it bolts to. The wheel and shaft should turn at the same time. Then work you way down checking all connections where linkages meet until ya find the problem. Fyi, the first three digits of your craftsman model...

If your up for some detective work check this out . https://www1.gardnerinc.com/dealers/kohler/kohler_study_guide/10%20-%20Failure%20Analysis%20Guidebook.pdf

On this model the air filter clogs often causing the spark plug to foul. If you do not do a complete carb cleaning (Take'n every removable part off the carb and cleaning ) just buy a new carb. This video shows how NOT to clean your carb : . This video shows how to clean your carb correctly : .

https://www.thepowerportal.com/display/router/BriggsEngine/TechnicalInformation/RepairManuals/272144VanguardTwinCylinderOHV.pdf . Section 5 for governor adjustment.

What's the cost of a smartswitch ignition module ? Thanks in advance.

When all is said and done there is more said than done. :)

Original AYP OEM part 532153390 - WASHER FELT

After 10 years in a high volume small engine shop I learned " any " two cycle oil is better than poorly mixed or no oil . A little rich is better than a little lean. Marketing folks put food on the table make'n us think their products are superior to the competition. I have a 45 year old...

What can happen when you crank a battery dead is the starter bendix remains engaged to the flywheel. Rotate the engine backwards to release the bendix and try to restart.

Yep, have let some belt smoke out once or twice myself. As soon as I looked at the deck illustration that mandrel cover caught my eye. That brake pad is out of sight out of mind and so easy to loop the belt outside the pad. Think'n it's stumped a few folks over the years just as the belt...

Like Bertsmobile 1 said. The belt must go between the idler pulley belt guide and the pulley. Also the belt must go between the mandrel pulley and brake pad on both mandrel pulleys. If you remove pulley guards it's easy to see .

I always pull the plug and check for bent crankshaft or blade first thing. Either can damage the flywheel key. Over tightening the air box to carb warps the air box. With air box off you can drip a little oil in primer exit hole of the air box and push primer to test air flow. Also use a vacuum...

917.274822 mower engagement parts / Any or all of these following parts do freeze up regularly . Storing outside and lack of cleaning the deck will accelerate the problem. Replace cable if not working. Craftsman 917 model numbers are manufactured by American Yard Products. Sears parts is one...

Craftsman 917 models have belt routing illustration under where you place your feet.