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Old 02-27-2015, 10:07 AM   #1
96R1100GS OP
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Low mileage R1100GS need alternator belt replacement early?

The bike has 11k on it and the belt visually looks good but is now 19 yrs. old. Has anyone seen these belts fail due to age? Thanks.
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Old 02-27-2015, 10:14 AM   #2
Beecher Snipes
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Have not heard of that. But, certainly the brake lines. The alternator belt is not very expensive. Now that you have cursed it with worry, I would change it. Nice to start all that stuff at ground zero on a new to you bike that is "older".
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Old 02-27-2015, 10:15 AM   #3
mouthfulloflake
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local auto parts store, belt 4pk611

been working fine on my 95 1100gs for a few years now, was about $7

http://www.euromotoelectrics.com/Alt...-4pk592841.htm
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Old 02-27-2015, 10:43 AM   #4
def
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Quote:
Originally Posted by 96R1100GS View Post
The bike has 11k on it and the belt visually looks good but is now 19 yrs. old. Has anyone seen these belts fail due to age? Thanks.
Mine is OE (2001 GS) and I have no plans to change it anytime soon.

The brake lines? Get rid of them if they are OE. I use Galfer lines from these folks;

http://www.cyclebrakes.com/

Excellent service and support.
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Old 02-28-2015, 04:55 AM   #5
Jim Moore
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You used to hear of them failing occasionally, but I haven't heard of it in years. I'd probably do it for the peace of mind. Keep the old one for a spare.
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Old 02-28-2015, 06:32 AM   #6
schwie
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The brake lines? Get rid of them if they are OE. I use Galfer lines from these folks;

+1
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Old 02-28-2015, 07:22 AM   #7
mouthfulloflake
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I think the biggest risk of belt failure is damage to the HES wiring if it happens to go while riding and then sling around the pulleys

that risk alone ( not to mention being potentially stranded) probably warrants replacing the belt

it is cheap and easy to replace
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Old 02-28-2015, 07:38 AM   #8
slowinfastout
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Belts get kinks in them from sitting around, you should replace it based on age, not mileage.
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Old 02-28-2015, 08:05 AM   #9
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Quote:
Originally Posted by slowinfastout View Post
... you should replace it based on age, not mileage.
It's a rubber compound product; it has a usable life span. What exactly is the usable life for an alternator belt, I don't know. But I do know that the recommended life of a rubber tire is 10 years. Tires and belts are different, but not all that different!
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Old 02-28-2015, 08:07 AM   #10
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They do fail from time to time. I had one fail just after the 40,000 mile recommended change interval.
The side started to shred and the resulting tail was beating the inside of the cover.
The noise sounded like the engine was grenading.

The potential problem happens when that tail gets longer and wraps around the bottom pulley and tears up the hall sensor assembly behind it. It has happened.

Considering that the belt is available at most any jobber (4PK611) for less than $15 it would be wise to replace. A new hall sensor is $200+
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Old 02-28-2015, 08:24 PM   #11
def
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Quote:
Originally Posted by GrouchyGeezer View Post
It's a rubber compound product; it has a usable life span. What exactly is the usable life for an alternator belt, I don't know.
But, you'll find out when your belt brakes...a tough way to determine belt life.

A 10 year old belt should be changed.

Yeah, I know...I know...practice what you preach.

I'll change mine tomorrow.
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Old 03-02-2015, 06:42 AM   #12
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My dealer likes to replace them every two years. Seems excessive but it's not a job I want to do in a motel parking lot or on the side of the road. I always carry a spare belt so I don't have to replace it.

I think my 2002 R1150GSA manual calls for replacement at the 36K service.
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Old 03-02-2015, 07:09 AM   #13
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The belts go hard with age and lose their flexibility which causes the inner ribs to break off.

Take the old one off and compare it with a new one. A world of difference.
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Old 03-02-2015, 10:21 AM   #14
def
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The belts go hard with age and lose their flexibility which causes the inner ribs to break off.

Take the old one off and compare it with a new one. A world of difference.
Steptoe knows....

Clean the old belt debris from the bottom of the housing then...install the new one.
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Old 03-02-2015, 10:58 AM   #15
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I know...I know...practice what you preach.
I'm that guy. Found the rib debris in the bottom of the housing so swapped on an even older spare and ordered a new one the same day from the Boneyard.

The new one has been sitting in the box for the last 5 months
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