SOURCE: troy bilt mower won't stay running to cut lawn
You may want to check the gas cap to see if it clogged with dirt. If the gas cap is clear, you more than likely have a carburetor problem. If you need tips on carb. cleaning, feel free to ask.
Jim
SOURCE: I have a Troy bilt 17hp 42 inch cut ride on lawn
yes they have a charging system, not like a car but a charging system one the less. as i said before either under or around the flywheel. some newer mowers also have an electronic regulator.
SOURCE: can't find model number
there should be a data plate somewhere on the tractor with model and ser #. Usually it is under the seat. The motor numbers are usually stamped on the engine cover with model type and code.
SOURCE: i have a ryobi lawn mower with a 6.5 hp motor. it
I am working on one now. Customer said "it doesn't run". Ok. So, after oil/spark plug/air filter replacement...it didn't have any gas getting to the carb. Took off the bowl, and on this 2005 lawnmower, the inside of ALL of the carb was covered with a white/chalky film. Looked like tiny rust barnacles over ANY metal surface available. Silty white stuff in bowl. Blasted it all w/carb cleaner. Still couldn't get primer to work, but after I sprayed a bit o' starter in the cylinder, it started well & kept running. Until I let the bar down. Needs a new carb. Will see what the customer wants.
SOURCE: We have Toro Lwa 100 Lawn Mower Model #26623.
This 1991-92 model is equipped with a blade brake clutch. When the blade slows down this means the belt is slipping. This slipping can be caused from a few different things.
1 --A loose cable. 
Try adjusting the blade cable on the upper handle. this unit has an adjustable section. make sure the cable is not so tight that you snap it.
2 --A sticky pivot point under the belt cover
The belt cover in the back builds up with dirt and debris. Make sude it is clean under the cover and all of the pivots move freely. ( do this with the engine off)
3 --A sticky belt tensioner under the deck cover
The underside of this machine has a metal cover to protect the belts. Remove it and check that the blade belt idler arm is not frozen in place. this will cause the belt not to enguage all the way.
4 --A worn belt or belt pulley
The large flywheel and pulley can wear. Check this if the belt looks good.
This is all there is to the machine BBC system.
I hope this helps.
Get parts and more diagrams at a Master Toro Dealer like www.arcolawn.com
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