Top 20 Craftsman 42 in. Deck 19.5hp Lawn Tractor Questions & Answers


sounds like the cable may be binding up. or there is an obstruction under it. take it off clean it good and spray some lubricant on all the moving parts. that usually gets the moving again.

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try PartsTreeRepairClinic yhey may have a video

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sounds like valves are out of adjustment. but since you just put a cable on it be sure it is on correctly and the belt releases the blades because if the belt is to tight it will not allow the engine to turn over past the compression stroke as you are saying.

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Sounds like a loose belt check the tension spring if they ok check and see if belt is strectched

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Are you getting spark to the plug(s). Check with spark tester. Is fuel getting into the cylinder(s)? When it turns over, do you get a spit or backfire? If yes, check flywheel for key.

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Try this,follow the positive battery to the part it's attached to,that's what is bad,remove it and take to Lowe's,they have one and it's not expensive.

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Ask a "Mahindra" dealer. Look one up on your computer.

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white smoke is more than likely a water issue. Oil usually has a bluish tinge to it but is some cases, it could be white. Drain the gas a fill with fresh to try and eliminate the possibility of water in the gas. Watch the oil level to see if it changes after using the mower. it may take a few times but if it is burning oil, the spark plug will look "wet" and oil soaked, with possible black soot type build up.

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You need to check the compression on the engine and also the timing. It could be a head gasket or valve that is bad.

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check wireing for a short in the circut has to be one somewhere

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Check your tire pressure first, uneven tore pressure will cause this problem.On the rear of cutting deck on both sides there are height adjustments, if your deck has a rear roller this also can be adjusted to compensate,If your a stout person sitting on tractor can cause unevenes.

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Maybe one of the pressure switches is bad

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check the spark on the L plug. might have a bad coil . I do not think it's an actual turbocharged motor. it might be cooling or transmission " turbo'''' you could also switch plugs from side to side. also, these BS motors had bad cams. so if you remove a valve cover on the L side ad turn the motor over and see a little valve movement. bummer. can be fixed but is spendy and a pain.
if you see a turbo on it please add a picture. in this case, I would definitely fix it as it is probably one of a kind. and I'm sure a real treat to cut heavy grass with ! as it would be a 30-40 hp motor . weeee

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contact Sears Parts Direct .com they can help you may be able to download a manual

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I would suspect the issue you are having is the belt. I would raise the front of the tractor not tip it on its side. The belt is pretty straightforward on install.

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I am hoping that you use only premium fuel (no corn) to keep the carb clean. Also, it helps to pour a half can of anti-fogging agent into the fuel tank to help remove moisture and give an octane boost, plus it will clean carb ports. Any fuel that includes ethanol can kill the engine.

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PartsTreeRepairClinic will help

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Hi Terry:
As good luck would have it, I have one of these mowers.
As I see it, there are only two adjustments possible:
1) the for/aft positioning of the mower deck as determined by the length of the central front deck positioning rod.
2) the amount of tension on the spring that holds the engage idler against the belt. That can be changed by moving the bracket that anchors the spring.
I've had my unit for several years now and replaced blades, spindles, and pulleys (I mow far too many rocks) but never had to adjust the blade drive belt.
Hope this helps

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