Question about Craftsman 21 Hp 42" Deck, Ys 4500 Lawn Tractor

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My ys4500 doesn't cut level its only 1 1/2 years old

The service people have come out 4 times and have even replaced the deck but it still doesn't cut level the left side is always shorter Sears said they have no idea its your baby now what can i do its driving me crazy!!!!!!!!!!!!!!!!!! HELP

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  • 17 Answers

Have you checked the tire pressure? mine did this once and it ended up being a low tire.

Posted on May 19, 2009

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1 Answer

I have a John Deere LX178 lawn tractor and the mower deck will not raise/lower. It is all the way down and pushing in the button is how i've ALWAYS adjusted the height. It will not budge


1) NEVER adjust to where the deck wheels touch the ground. The wheels are to ride 1/4" off the ground. 2) The long lever to your left which raises & lowers the deck has 3 settings. 1- Fully back toward you which has the deck raised (called transport mode). 2- Halfway down which is the normal mowing mode (called float mode) 3- Fully away from you which sets the deck fully on the ground. This mode is ONLY used for VERY rough terrain where the deck risks getting pushed into "transport" or "full up" mode & getting stuck there. 3) On front-to-back tilt, the front should be 1/2inch lower than the back for least damage to the grass. Ok-now to adjust "cutting" height. 1) Park on a level, flat surface. 2) Pull the deck lever fully back toward you to put the deck into "transport" mode. 3) twist the "cutting" height knob (just below your seat) to the height you want the grass cut. Has choices by 1/2" increments from 1" to 3.5". The deck in "transport" mode is 4". 4) Lower the deck lever to the midway/"floating" mode point. 5) Adjust each deck wheel with its own peg & pin to have at least 1/4" clearance from ground. Thats it for "cutting height" adjustments
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call your deere dealer,
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Troubleshooting

Service Mower

cant find info for you,call dealer

Jun 03, 2015 | Garden

1 Answer

Uneven Cutting with my Zero Turn 50"...Possible Causes?


First is being sure all your tires have proper air pressure and you don't have a bent blade. Then while parked on flat concrete and both outside blades at 3 and 9 o'clock measure blade height far left side of deck and far right side and compare. I there is a difference the entire deck is out of level and should be adjusted. Then remove the blade drive belt from one of the pulleys so everything is slacked. Grab each blade and see if it wobbles or has excessive play and check the spindle housings for cracks or breaks. If you find a housing with wobble or play the bearings in that spindle are shot ( this is a lot harder to detect with the belt tension on the pulleys) and should be replaced. If you find a broke or cracked housing the housing will need to be replaced. Either one of these situations may not be obvious with the mower at rest but the blade will wobble at speed causing uneven cuts.

Aug 25, 2014 | Garden

1 Answer

I have a 3 year old ys4500, wont start


Have you tried bypassing the cut off switch, by joining the wires together

Sep 20, 2012 | Craftsman 21 Hp 42" Deck, Ys 4500 Lawn...

1 Answer

LA110, 42" mower deck, 1


Check that the cutting tip of the blade that is cutting lower is not bent down. Also park the mower on a level surface and lower the deck and check the gap under the front of the deck is even. If not, there are levelling adjustments on the top of one side of the deck. Regards Phil

Apr 15, 2011 | John Deere 195HP Hydrostatic 42" Cut...

3 Answers

My mowers cuts uneven I replaced the blades but it still cuts uneven how can I level it?


Park mower on a level flat surface ( a concrete garage floor is ideal ) lift deck up until you can put a piece of a 2x4 flat underneath the deck and lower deck until it just contacts the 2x4. loosen adjustment nuts or turnbuckles and adjust until the deck just starts to clear the 2x4. this should level your deck. Now , lift the deck and remove the 2x4. put blade height lever on a known cut length and with a tape measure, measure the tips of the blades from the floor to the blade tip...they should all be the same within 1/8 of an inch...if not then you either have a bent blade, bent spindle shaft, or spindle bolts are loose or misaligned. Your deck could be warped too...depending on how hard a lick it took...good luck !!! ;-D

Jun 24, 2010 | Craftsman 20 hp 42 in. Deck Lawn Tractor -...

1 Answer

WHY IS CUT UN EVEN? MOWER LEAVES LINES IN LAWN


My 10 steps to ensure even cutting for any riding mower.
1. The rear tires must be the same diameter i.e. same tread type and the same amount of pressure
2. Level the deck following the instructions in the manual
3. Make sure the blades are not damaged or bent.
4. Make sure the deck nor its attachments are bent
5. keep the blades sharp and don't drive too fast when mowing.
6. Over lap rows about 20%
7. Cut the grass at intervals that ensures you never cut more than 1/3rd the total length of the grass.
9. Make sure the underside of the deck is free from chunks of clippings.
10. Use a blade with higher lift, yes you have to match the blades to the type of grass you cut most often, (commercial mowers use a universal blade and high speed decks).

Jun 18, 2010 | Husqvarna Lawn Tractor 48" Deck, 23 Hp,...

1 Answer

I have a GX75 riding mower and the deck is not leveling out. No matter what level I put it on (1-4) it always ends up with the front of the deck lower than the back by at least 3/4 of an inch. This is...


if you have verified that the deck is level then you will need to replaced the spindle,if the deck is'nt level ,adjust the leveling nuts on the arms it hangs offf.

Sep 30, 2009 | Garden

1 Answer

Mower squeeking - mowing as usual, and it's squeeking, checked oil, it has oil in it, what else should I check, mower 1 year old, I've done minimal maintenance on it. and can't find my owners manual.


Does it squeek when at an idle, or when driving, or cutting? Does it cut fine? I would check the belts and pulleys and blades for extra play. I had a mandrel bearing go bad on my ys4500 (also about a year old) and the first symptom was a squeeling sound when the blades were enguaged. Play in the mandrel caused the belt to squeek at the pulley that turns the blade. It also cut some nice gouges in my yard due to a floppy blade. I hope that this helps, I got the answers to my problem here on fixya.com.

I believe that one can find a downloadable .pdf version of the owners manual with a quick google search.

good luck

Jul 12, 2009 | Craftsman 21 Hp 42" Deck, Ys 4500 Lawn...

1 Answer

Uneven cut


1-----------tire pressure? 14 front 10 rear
start with a level mower on a level surface
2------------deck level side to side?
3------------deck level front to back? (front can be 3/8 lower than back)
4-----------deck hangers bent or hung up?
5------------blades even when pointing at each other? no more than 1/8 high or low
6------------blades dull or upside down? turned up ends go towards deck
7---------------incorrect blades for mower?
8------------deck lifting mechanism should pick up deck evenly and drop evenly?
9-----------under the deck need cleaning because it is packed with grass?

Jun 15, 2009 | Garden

1 Answer

Craftsman 917273223 50' cut. Hit a stump with right blade started cutting poorly on right side. Replaced blade still cut bad. Replaced a 3 blades and still cutts bad on right. Held pully and tried to turn...


you need to bring all 3 blades to point at each other on the deck
do they all look the same?
aLL 3 should meet each other evenly with no more than 1/8th inch difference high or low point to point.
the stump strike could have bent the deck on that side
also be sure the fin side of the blades are pointing towards the deck when installed.
check that your deck is level on a level surface and the air pressure in all for tires are up to recommended pressure.
most of the time 14psi front and 10psi rear

Jun 09, 2009 | Craftsman Garden

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