SRX keeps blowing belts...

[88 yamaha 570]

I left the bar. Let the sled warm up. Rode a few slow passes in front fate bar to make sure the sled was warm, started going down the side of the lake with maybe 1/2 throttle for about half a mile then wacked it. 10 seconds later belt blew. I'm pretty sure it was warm


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[88 yamaha 570]

I did my clutch alignment with one of my dad's contracting rulers so I'm pretty sure it was accurate enough. Maybe I'll just get the tool. How good is this 20 dollar tool I've heard about?


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[88 yamaha 570]

Ok so I tore into the sled more today. Pulled chain case apart and pulled the brakes off. Brake pads are low so I'm gonna replace them now and they weren't causing any drag and the shaft spins very easy and has no play but my track is still hard to spin by hand and it's 3 fingers width loose. I'm assuming this could be my issue?

Frozen bogey wheel or drive cog bearings. Could that be causing too much drag and blowing belts?


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[sideshowBob]

Something is definitely amiss as SRXs just don't blow belts..especially OEM ones.

The track should spin easily, especially with no chain on.
I would suspect you need new bearings on your drive axle.
Since you already have it disassembled, I would suggest you replace both the bearings and seals at top and bottom of the chaincase as well as speedo drive side bearing on axle and jackshaft bearing behind secondary clutch.

While you are working on it ensure the jackshaft bearing collar is not broken or moving in the bulkhead.

 

[88 yamaha 570]

So basically I should pull the driveshaft out and replace all 4 bearings both drive shaft and jack shaft? Are they relatively cheap? And can the driveshaft be pulled with suspension in?


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[sideshowBob]

So basically I should pull the driveshaft out and replace all 4 bearings both drive shaft and jack shaft? Are they relatively cheap? And can the driveshaft be pulled with suspension in?

OEM bearings are never inexpensive but they are of good quality and you may never have to do it again.
I have never removed a drive shaft without pulling the suspension and track...

 

[justin1620]

I had a primary clutch with a fine crack and I was destroying belts too.....get rid of that clutch, before it totally grenades and wrecks more than just your clutch. I think when the clutch gets hotter the crack probably spreads and snags your belt

 

[88 yamaha 570]

Ya I'll be replacing the clutch also and I called my local parts supplier and driveshaft bearing kit was 33 dollars not sure on price for jack shaft yet. I'm going to fix the hard track spinning before I replace the clutch


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[88 yamaha 570]

The other reason I don't think it's clutch is I can ride 1000s of miles on a belt and they don't break or wear but it's only at speeds greater than 95mph at full throttle so I know the cracks aren't hitting it


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[88 yamaha 570]

Ok so I went to pull the skid out to check driveshaft bearings and I got like 6 bogey wheels bad. 3 of 4 rear wheels are melted from being worn and one of two upper wheels where the skid bolts in was seized


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[88 yamaha 570]

Turns out all the plastic that the bearings run on are melted. Gonna have to get new ones and new wheels


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[ssrrxx]

Remember to use the brakes for corners now lol, your sled will coast alot better, and feel like you've got an extra 50hp under the hood.

Now save up to replace that time bomb clutch.

 

[88 yamaha 570]

Ya lol I need to get parts for this. I'll plan for that with tax money if there's any left and I'll post up a pic of my old clutch. People thought I was crazy using it


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[88 yamaha 570]

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[Maim]

SMA-BILBU-00-00 small billet wheel adapter bushing. for the plastic bushings on the front 4 wheels, I recommend these for replacement. the plastic spacers never stay good. I replaced a set of plastic ones and the next year they where worn as much as the ones I replaced. replaces the whole mount. I did my dads 05 sxventure this year and they where very easy to change.

 

[88 yamaha 570]

We'll just so you know this is a zr skid. I'll see what the offer for billet


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[mile9c1]

How good is this 20 dollar tool I've heard about?

I think the cluth alignment tool is more than $20 but it's worth it for sure IMO.

 

[88 yamaha 570]

They got a cheap 20 dollar one I've heard about that requires measurements still. The good one needs no measurements and is like over 100


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[mile9c1]

I have one like this but I might have purchased it somewhere else because mine is silver: http://pioneerperformance.net/store/page13.html

It's worth the money, it's really a no brainer as far as I can tell. Both of my sleds were quite a bit off and as far as I can tell they were stock/original.

 

[88 yamaha 570]

That's cheap. I'll buy one of those


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