ZR 580 EFI Clutch Explode Pictures - Snowmobile Forum: Your #1 Snowmobile Forum

ZR Fast Eddy · 01-29-2006, 02:34 PM

Im looking to for a used or rebuilt clutch and these pictures explain why. I was going about 85-90 MPH and it reved up fast then just exploded, left a hole in the bottom of my belly pan and pounded the hell out of my belt shield. Just wonding if anyone has had this problem before or knows why this happened.

ZR Fast Eddy · 01-29-2006, 02:36 PM

more...........

ZR Fast Eddy · 01-29-2006, 02:36 PM

more..............

Greg_H · 01-29-2006, 02:45 PM

My '96 ZRT 800 has small cracks that start by the shaft and go straight out toward the outer edge. They are about 1.5 inches or so long. This is the second one that I have had that problem with.

ZR Fast Eddy · 01-29-2006, 02:49 PM

Know any where to get a used or rebuilt one for under $180 because thats what Im looking at right now....I just got done putting in a flywheel and stator....new coil and timing sensor....getting frustrated but I want to ride...ive put on about 100 miles this year but the snow has been horrible I live in michigan and it keeps melting.

Greg_H · 01-29-2006, 03:11 PM

Quote:

Originally posted by ZR Fast Eddy
Know any where to get a used or rebuilt one for under $180 because thats what Im looking at right now....I just got done putting in a flywheel and stator....new coil and timing sensor....getting frustrated but I want to ride...ive put on about 100 miles this year but the snow has been horrible I live in michigan and it keeps melting.

You could look on e-Bay, there are always a bunch there, and most of the used ones go for around $150. I am in MI too, but I'm only 15 miles north of Toledo, or 5 miles south of Cabela's, whichever works for you

. It's 50 degrees and raining here...

ZR Fast Eddy · 01-29-2006, 03:41 PM

Yeah, its rained for the last 12 hours or so....about 2 inchs of snow left in some spots the rest shows grass and what have you. Its warm, to warm for this time of year.....I have seen a few on ebay a while back...I will check there. Thanks for the idea.

**RJ Gleason** · 01-30-2006, 11:39 AM

My recommendation is to buy new here. You are less likely to have the same problems and get better results. the pics did not appear in your post, so I could not see the damage caused and the remains of the clutch.

When a clutch explodes at high rpm, It is best to do some tests first before installing a new one.
First, check that the crank pto is not bent. You can do this by having someone help by cranking the engine over ( with the plugs out) and have a straight edge to check for wobble.
Second, replace the seal as it is probably damaged due to the stresses of the clutch disintegeration.
Third, buy a new clutch.

ZR Fast Eddy · 01-30-2006, 10:06 PM

http://www.pshwd.com/zr580.htm try that out if the pictures dont show up.

rgoers · 01-30-2006, 11:19 PM

That's one ugly mess! Luck you didn't get hurt.

You can get a new (uncalibrated) clutch on eBay for around $245.

lovethepowder · 01-30-2006, 11:22 PM

holy crap that thing disintegrated pretty good. I have the exact same sled..hope mine doesnt do that(if i ever get it back from the guy thats fixing it...2 months and counting

)

**RJ Gleason** · 01-31-2006, 11:46 AM

This is the only pic that even loaded on that site.

**RJ Gleason** · 01-31-2006, 11:52 AM

Quote:

Originally posted by lovethepowder
holy crap that thing disintegrated pretty good. I have the exact same sled..hope mine doesnt do that(if i ever get it back from the guy thats fixing it...2 months and counting )

Look for stress cracks on the back of the stationary sheave. If you find them, replace the clutch soon and don't run it at high rpm.

I recommend replacing with a comet clutch instead of the cat clutch. The 108 exp is the exact repalcement for the original, and it is a little beefier on the places it counts. The msrp is $277 in the parts unlimited catalog and you can use the weights and spring from the original clutch.

rgoers · 01-31-2006, 09:19 PM

Quote:

Originally posted by RJ Gleason
Look for stress cracks on the back of the stationary sheave. If you find them, replace the clutch soon and don't run it at high rpm.

I recommend replacing with a comet clutch instead of the cat clutch. The 108 exp is the exact repalcement for the original, and it is a little beefier on the places it counts. The msrp is $277 in the parts unlimited catalog and you can use the weights and spring from the original clutch.

Ah, nice to know! My son works at a local powersports dealer. He can order PU stuff at an employee discount. Got my clutch puller for me, for around $15.

**RJ Gleason** · 02-01-2006, 02:43 PM

My 108 Pro-4 was ordered from PU. I have a very good supplier and got a good discount.