Have a Husqvarna yth2448. Cranks and runs fine, but within about twenty minutes, cuts off.(with blades engaged or not). Will recrank, but will shut back down within a few seconds. Sometimes will recrank, and run for a short while, but will eventually shut off again. Always will recrank, but will not run very long after recranking most times.

SOURCE: Knocking in mower deck or belt clutch when engaging blades, motor bogs / slows down

YOU MAY HAVE A BENT BLADE OR EXESSEIVE BUILD UP UNDER THE DECK

SOURCE: Husqvarna Mdl YTH2448 Riding Mower - Electric PTO Not Working

It sounds like your charge system is not working. If you jump the battery the engine will run with a weak battery but the pto clutch needs a strong battery to stay engaged.Try this to test it,after you jump it leav the jumper cables hooked up and try to engage the blade clutch,if it runs it is either a battery that wont take a charge or a charge system not working. If you put a volt meter on the battery while the engine is running and the voltage is 13 volts the charge system is working and the battery is bad.

SOURCE: I have a Husqvarna CTH 171. When i engage the blades they

Does the lever that engages the blades have pressure on or does it feel loose. It is possible that the linkage from the lever to the idler pulley has come off. Raise the hood and watch the lever as it is engaged and disengaged there shold be somekind of linkage moving a pulley in and out to tighten the belt so the blades will turn. hpope this helps

heres2maine

• 84 Answers
• Posted on Apr 15, 2010

SOURCE: Blades will not engage on Husqvarna riding mower.

Could be a broken belt, loose belt (stretched) or something is under the mower deck jamming the blades. (stick for an example)