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Message started by charliebrown on 09/21/04 at 22:03:36

Title: drive belt melting!
Post by charliebrown on 09/21/04 at 22:03:36

About three weeks ago i was out on a ride when my belt failed. To my supprise my rear pully had melted belt on it. I ordered a new belt $175 us dollers. i installed the new belt and left the belt guards off went 1\2 mile up the street and back dident notice any weird noise but upon inspection when i got back the belt had started to melt again. If anyone has any exp with this please let me know, also how do you allign the pullys? i suspect it is a friction issue that can be fixed by alligning pullys. please help is badly needed i cant afford to keep buying new belts till i fix the problem. thanks

Title: Re: drive belt melting!
Post by Greg_650 on 09/22/04 at 02:56:36

First of all, are the rear wheel adjusters in the same position on each side (I would assume so, since you changed the belt)?

What is the belt rubbing on?

Sounds like the rear pulley is mis-aligned with the wheel if everything else is correct. What about the pulley spacer and bearings on the rear axle? What about the rubber bushings in the pulley

Title: Re: drive belt melting!
Post by charliebrown on 09/24/04 at 11:54:48

the weel ajusters are in the same position. the belt from what i can tell is not rubbing on anything. the pulley spacer and bearings on the rear axle how do i test to see if that is causing the problem. also i have no idea where the rubber bushings in the pulley are located. thanks for the leads so far and any more insight is greatly appreated. thanks again

Title: Re: drive belt melting!
Post by Greg_650 on 09/25/04 at 02:30:19

charliebrown wrote:

There are rubber bushings between the pulley hub and the rear wheel...the pulley is not directly mounted to the wheel. The pulley also has a bearing on the axle. There is a spacer on the axle bolt between the pulley and the swing arm on the left side.

I'm beginning to wonder is there is heat generated from something other than the pulleys in order for the belt to melt. Something has to make the belt pretty hot...normally the belt will only be slightly warm when riding. The belt isn't too tight is it?

Title: Re: drive belt melting!
Post by AL_DOWN_UNDER on 09/27/04 at 22:56:14

HEY CHARLIE IAM INTRESTED TO HEAR WHAT THE PROBLEM IS. ANY WAY HAVE YOU CHECK TO SEE IF ANY THING IS STUCK IN THE BELT GAURD. OR BEHIND THE FRONT PULLY COVER OR HOW ABOUT THE BELT ADJUSTMENT. KEEP US POSTED GOOD LUCK :o

Title: Re: drive belt melting!
Post by charliebrown on 09/28/04 at 15:50:40

ok i see what you talking about now i will have to check the rubberbushings for the pully and the bairings as soo as i get back from a bizness trip to vegas. i ran the bike with no beltguards and it did the same thing. so i have to belive the heat is comming from the pullys. anyways thanks for all your guys help. and i will keep you posted as soon as i get back on the 1st

Title: Re: drive belt melting!
Post by Tad_Anderson on 09/30/04 at 17:21:01

charliebrown wrote:

Sounds like your bearings are dry/bad and heating up the pullys, thus melting the belt?

-Tad

Title: Re: drive belt melting!
Post by AL_DOWN_UNDER on 09/30/04 at 23:02:59

WHAT ABOUT CHECKING THE BATTERY TO SEE IF ITS LEAKY ANY ACID :o

Title: Re: drive belt melting!
Post by Greg_650 on 10/01/04 at 02:31:51

Tad_Anderson wrote:

Sounds like your bearings are dry/bad and heating up the pullys, thus melting the belt?

-Tad

Seems like, for that much heat to cook the belt there would be a sound, a smell, or even smoke to give a clue. After all it sounds like it happens pretty quickly when riding.

Here are the rubber bushings behind the pulley....
http://216.77.188.54/coDataImages/p/Groups/215/215131/folders/156326/1252467Wheel04web.jpg

Title: Re: drive belt melting!
Post by klx650sm2002 on 10/01/04 at 03:05:16

What us Brits would call a cush drive.

Clive W :D

Title: Re: drive belt melting!
Post by charliebrown on 10/02/04 at 09:44:35

wow i dident know the pulley came apart like that. thanks for the pic greg. i think you guys might be on the right track. i cant wait to work on the bike tonight when i get home. thanks for all the input i willkeep you guys posted.

Title: Re: drive belt melting!
Post by Greg_650 on 10/02/04 at 10:10:31

klx650sm2002 wrote:

What us Brits would call a cush drive.

Clive W :D

I wonder what Americaners call it....especially noting that terminology is critical. Are they cushions or bushings? Is it a shock isolating rubber mounted floating pulley system? That would be SIRMFPS for short.

Rubber thingies is good enough for me ::)

Title: Re: drive belt melting!
Post by Greg_650 on 10/02/04 at 10:17:04

charliebrown wrote:

After you jack the bike up nice and steady and pull the axle bolt (axle rod or shaft?) the pulley comes off as a separate mating piece from the wheel.

You'll appreciate the simplicity even more during reassembly when you juggle the brake hub, wheel and pulley while installing the axle, spacers, adjusters and getting the belt on the pulley all at the same time :o

Have fun.

Title: Re: drive belt melting!
Post by AL_DOWN_UNDER on 10/30/04 at 04:44:50

charlie if ya still alive i shaw would like to know what was making ya belt melt .
i hate it when people don,t finish things . its like days of our lifes you just got to keep watching .
well its about 430am your time iam going to bed. :'(

Title: Re: drive belt melting!
Post by Savage_Rob on 10/30/04 at 07:14:25

Holy crap! Al found the caps lock key and quit yelling at us!

Title: Re: drive belt melting!
Post by Susan on 10/30/04 at 15:25:23

Savage_Rob wrote:

Holy crap! Al found the caps lock key and quit yelling at us!

I knew there was something different about him...yea!

Title: Re: drive belt melting!
Post by rkutzner on 10/30/04 at 17:37:15

Did you ever figure it out? Was the brake rubbing? What was making the heat?

Title: Re: drive belt melting!
Post by Greg_650 on 10/31/04 at 03:06:52

Savage_Rob wrote:

Holy crap! Al found the caps lock key and quit yelling at us!

He still needs to find the shift key.

;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D

Title: Re: drive belt melting!
Post by Greg_650 on 10/31/04 at 03:08:24

rkutzner wrote:

Did you ever figure it out? Was the brake rubbing? What was making the heat?

He probably gave up and traded the bike for an Eton.

8)

Title: Re: drive belt melting!
Post by charliebrown on 12/03/04 at 20:32:42

sorry guys i was out of town for awile. but i do have good news i think. i have found that the damage to the belt is comming from the front pully. i have a 88 savage and i think that somewhere i lost some parts to the cover that goes over the pully. if one of you would be so kind as to take a pic of there front pully with the inside of the case and any peces that come with it. right now i can run the bike with the case off but the beld wants to walk out off the pully about 1 1/2 inch or a third of the belt. anyways sorry for leaving you guys hanging.. :-[

Title: Re: drive belt melting!
Post by Greg_650 on 12/04/04 at 04:25:42

[quote author=charliebrown link=board=RubberSideDown;num=1095829416;start=0#19 date=12/03/04 at 20:32:42]sorry guys i was out of town for awile. but i do have good news i think. i have found that the damage to the belt is comming from the front pully. i have a 88 savage and i think that somewhere i lost some parts to the cover that goes over the pully. if one of you would be so kind as to take a pic of there front pully with the inside of the case and any peces that come with it. right now i can run the bike with the case off but the beld wants to walk out off the pully about 1 1/2 inch or a third of the belt. anyways sorry for leaving you guys hanging.. :-[/quote]

Confused here....how does the belt walk off the front pulley? There is barely room between the transmission case and the pulley anyway. What about the lip on the edge of the front pulley?

Title: Re: drive belt melting!
Post by Greg_650 on 12/04/04 at 04:27:48

Oh yeah...I don't really have any good pics of the pieces in the belt cover mounting, but it might be good to check the Ron Ayers site for a fiche of the bushing, spacers and bolts.

Title: Re: drive belt melting!
Post by charliebrown on 12/04/04 at 11:08:04

i have no lip on my front pully i think that might be the problem because i think the belt is walking off and rubbing the case and that is creating the heat. so you say the front pully should have a lip on the outside like the back pully. so really all i should need to do is get a new pully. i think i will go and order a new pully today and see if that fixes the prob. thanks greg by the way like the colors on your bike really like the black on the forks. i will get a pic of my savage up today and hopefully a pic of the pully i have.

Title: Re: drive belt melting!
Post by Greg_650 on 12/04/04 at 13:00:23

charliebrown wrote:

This is a really new one! Yes, it has a lip on it....

http://216.77.188.54/coDataImages/p/Groups/215/215131/folders/156030/1337900Progres7.JPG

How did someone (previous owner) manage to remove, loose, or change the front pulley....and why? Is it a smaller pulley? Cause, I don't think that a bigger one would fit. He certainly didn't do you any favors....

Thanks about my bike, btw.

Title: Re: drive belt melting!
Post by charliebrown on 12/07/04 at 11:49:43

thanks so mutch for the pic. not sure if the lip broke off or it is a diff pulley. and no he did not do me any favors on this bike at all. i orderd a pulley from bike bandit ($80-us). with a little luck that will fix my belt problem. thanks for the help.