How to replace drive belt on Husqvarna riding mower yth20k46

Are you a bit tensed about your lawnmower? Well, we know that lawnmowers get a great deal of utilization—particularly in the summer months—and in some cases require maintenance and replacement parts to keep on proceeding as they ought to. Quite possibly, the most delicate yet most fundamental piece of a mower is the lawn mower belt.

There are no set time limitations for how long the drive shaft should last, and it could break and need replacement whenever. This part needs replacement because of mileage, which implies the more you utilize your mower, the more probable the drive belt should be replaced.

At the point when it fails, the engine will not perform anyplace near its best. Furthermore, at times the mower will not move even if you give effort. By replacing it at the right time, you can enjoy a completely practical driving mower. However, don’t stress yourself up. We are here to help you out. Regardless of whether it is worn out, frayed, broken, or just stuck – here you will figure out how to replace it and introduce another one.

usqvarna riding mower yth20k46
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So at this point, I guess you are anxious to figure out how to replace a Husqvarna riding mower yth20k46 drive belt? If you are interested in searching for it, you are requested to read up to the last. Hopefully, you will get to know the procedure and have a good sleep at night.

How will you understand that your mower belt needs replacement?

A visual investigation is everything necessary to know whether a mower belt is beyond its life, and it doesn’t require a rocket scientist or experienced technician to see the indications of wear that show up before an approaching break. The normal homeowner will want to detect a wearing belt as long as they probably are aware of what to search for.

These indications show when a mower belt could encounter failure and necessities replacement straightaway:

  1. The belt is cracked: If the belt seems brittle and is decaying to the point that it has cracks, even shallow cracks, it is in great danger of breaking and should be replaced.
  2. The belt has a glazed or burned sidewall: Look at the belt edge that contacts the pulleys. On the off chance that it seems shiny, glazed, or burned, it should be replaced.
  3. The belt has sidewall damage: Mower belt edges ought to be smooth and even throughout the whole length of the belt. If even a little bit of the belt is worn, it’s in danger of breaking and should be replaced.

How to Replace mower drive belt

The Husqvarna YTH20K46 features a double edge mower deck. The mower blades are fueled by a drive belt associated with the engine crankshaft pulley. You will see an idler pulley on the mower deck that keeps up proper tension on the belt consistently. As the belt extends, the spring-loaded idler pulley applies more tension to the belt. Because of this, there is no solid reason to finish routine tensioning maintenance on this current mower’s belt.

Removal of the mower drive belt

  • At first, you need to stop the tractor on a level surface. Engage the parking brake.
  • Then, you should Lower the attachment lift lever to its most minimal position. Try to do it carefully.
  • If any mud, dirt, or grass clippings may have aggregated around mandrels and the whole upper deck surface at that point, eliminate it pleasantly.
  • Remove belt from the electric clutch pulley, both mandrel pulleys, and every single idler pulley. Check if any of them left or not.

Installation of the mower drive belt

  • Install the belt around all mandrel pulleys and idler pulleys.
  • Install belt onto electric clutch pulley also.

Important things to remember: You should be concerned about several things while replacing the belt.

  • You should check the belt for proper routing in all mower pulley grooves.
  • Then, you should raise the attachment lift lever to the most elevated position.
  • Pull belt slack toward the back of the tractor. Cautiously eliminate belt upwards from transmission input pulley and over cooling fan blades.
  • Remove belt descending from engine pulley and around the electric clutch.
  • Slide belt toward the back of the tractor, off the steering plate also, eliminate from the tractor.

Installation of belt

  • Install a new belt from the tractor’s rear to front, over the steering plate or more clutch brake pedal shaft. Do not miss any part.
  • Next, pull the belt toward the front of the tractor and roll the belt around the electric clutch and onto the engine pulley.
  • Pull belt toward the rear of the tractor. Cautiously work the belt down around the transmission cooling fan and onto the information pulley. Be certain the belt is inside the belt manager.
  • Install belt on centerspan idler.
  • Install belt through fixed idler and clutching idler.
  • Reinstall anti-rotation connectors on the right half of the tractor. Fix safely. Do not rush.
  • Reconnect clutch harness and check it.
  • Confirm that the belt is in all pulley grooves and inside all belt aides.
  • Install mower.

Finally, you are done with it!

Several important things to consider for this process

  • If you want to do it single-handedly it is too troublesome; at that point, don’t stop for a second to get the assistance of someone else. Call a lawnmower technician on the off chance that you need to be extra cautious.
  • Wear protective equipment consistently (more on that below). While this isn’t the most dangerous activity, you may, in any case, place yourself in harm’s way.
  • Always take a glance at investigating the owner’s manual of the lawnmower before beginning. This will give you a vastly improved thought of what you need to do.


With this, the article comes to an end. In this article, we tried our best to provide the required information to replace the drive belt on Husqvarna riding mower yth20k46. We hope that you had got a considerable amount of knowledge about the procedure. We hope now it will be quite easy for you to replace the belt. Thanks for giving the effort to read this whole article till the last.

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