Question about Craftsman 24 Hp 48" Deck Yard Tractor

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Engine starts and runs okay until I engage blade

The engine lugs when under load. I changed plugs and both cyl are gettin fire, compression is good. I can pull wire off right cyl and it will die. I can pull wire off left bank and it runs the same, like the cyl is dead. I take that plug out and it is a little wet with gas, but I can ground the plug to block and it shows to be firing.

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I had the same problem on a 21HP, you are running on one cylinder. Take off the valve cover and most likely you will have a/some bent valve push rod(s) which is common on B&S V2 engines. They are cheap to buy but kind of tricky to install and properly adjust.

Posted on Jul 06, 2010

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I have a 1988 Yamaha Phazer 500 and it is not running on one cyl. Checked spark and good on both cyl and it has 130# of compression on both cyl

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Engine runs ok until the blades are engaged, if I take the plug wire off the left side, it has no effect on the engine running.I changed plugs and checked the coil and wire, it has fire and compression. If...

Try to determine if the safety switch on the seat is closing or opening.
Does this happen when you are sitting on the seat and engage the blades?

You're ight, if you have gas and spark it should run, if the mixture is right.

Good luck on this one.

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Loss of power when engaging deck

check your compression. if you have a two cyl engine, start it and ground out each cyl (or pull off the plug) see if engine changes the rpms if one don't change check spark and compression on that side. if you only have one cyl go back to checking compression. get back to me with what you find. ps check your belts to mack sure nothing is in the pulleys like a stick and check under your deck to make sure you don't have a grass build up.

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