When should I replace my 1983 timing blets?


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dvanvlerah
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When should I replace my 1983 timing blets?

Post by dvanvlerah » Mon Apr 28, 2014 6:38 pm



I have a 1983 1100i with 18,450 miles on it. I have no idea the condition of the timing belts. For all I know they could be 30 years old. The bike runs great and there is no noise coming from the front end. Also if the belt were to break while I was riding it, would the bike just stop and or would it cause any damage to the engine? Thanks, David



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robb
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Re: When should I replace my 1983 timing blets?

Post by robb » Mon Apr 28, 2014 7:13 pm

When in doubt or uneasy about riding. If one breaks it can ruin an engine. Have 2 riding buddies with GL1200's over 300k who say belts have never been changed.

I changed belts on my 89 for the first time at 75k in 2012.

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lhelber
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Re: When should I replace my 1983 timing blets?

Post by lhelber » Mon Apr 28, 2014 8:15 pm

I had heard that you should change your belts every 40,000 miles when I first got my 1800. The previous owner said they had done it but I wasn't confident with her answer so I changed them at 50k. They still looked good but I had the new ones and I installed them. I believe my old ones went into a 1200 that is still running. Since then I have been hear 90k is more common.

The problem with the timing belts is this; the GW motors are zero clearance motors. That means when the piston is at Top Dead Center TDC there is no room for any valve to be open. If there is one your motor turns into aluminum recycling material. Real quick. My wife had a Honda Civic with the same issue and her motor went from a great running car to a total loss in a couple of seconds. She had about 140k on the motor when it went.

The question you have to ask is how much risk do you want to take?

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virgilmobile
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Re: When should I replace my 1983 timing blets?

Post by virgilmobile » Mon Apr 28, 2014 10:12 pm

My personal thoughts....
Every wing I've bought with the intention of actually starting the engine got a new set of belts.PERIOD.

I also replace them every other time I replace the tires or every 2 years.
Sometimes it's only 10K miles...but there OLD....Just look at the rubber tires on my truck cracking.
.I will not chance my engine for such a quick and inexpensive service.
Too much.?????

It takes me only a hour or two and isn't much more than the cost of a oil change.
Sheesh..... I spent more on gas last Saturday for the bike than a new set of belts cost.

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Dusty Boots
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Re: When should I replace my 1983 timing blets?

Post by Dusty Boots » Tue Apr 29, 2014 6:57 am

Replace them!
Not a mileage issue with your machine, but an age one.
Once they are replaced you are good for another 9-10 yrs, or a minimum of 90,000 mi, which ever comes 1st

I changed mine out in 2009 on my 92 1500 after I bought it in 2008 with just 20,000 km/12,000 mi on it and rode it for a year. Although by that time, it only had 54,000 km/33,750 mi on them, they were 17 yrs old.
I changed them out again in the spring of 2013, with the bike now having 216,350 km/135,219 mi on it. Those new belts now had 162,350 km/101,469 mi on them and were starting to show signs of wear on the bottoms of the 'teeth'. Seeing as the original Belt Tensioner were still in good shape, I reinstalled them.
Bike now has over 258,289 km/161,430 mi on it and runs like a top.



Dusty

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dingdong
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Re: When should I replace my 1983 timing blets?

Post by dingdong » Tue Apr 29, 2014 7:32 am

lhelber wrote:I had heard that you should change your belts every 40,000 miles when I first got my 1800. The previous owner said they had done it but I wasn't confident with her answer so I changed them at 50k. They still looked good but I had the new ones and I installed them. I believe my old ones went into a 1200 that is still running. Since then I have been hear 90k is more common.

The problem with the timing belts is this; the GW motors are zero clearance motors. That means when the piston is at Top Dead Center TDC there is no room for any valve to be open. If there is one your motor turns into aluminum recycling material. Real quick. My wife had a Honda Civic with the same issue and her motor went from a great running car to a total loss in a couple of seconds. She had about 140k on the motor when it went.

The question you have to ask is how much risk do you want to take?
Must be a typo? Gl1800 timing belts changed and put into a 1200. Hmmmm!

Timing belts can't be "inspected" to determine if they are bad. The main problem with them is the bike sitting for long extended periods. The Internal cords get stiff and then break when put back in service. The rubber isn't the main problem. If the bike is ridden regularly the belts will last for many miles. How many?????
Tom

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Scooter363y
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Re: When should I replace my 1983 timing blets?

Post by Scooter363y » Thu Apr 19, 2018 5:34 am

How hard is to change timing belts on a 1800?

I thought those were chains?

DaveO430
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Re: When should I replace my 1983 timing blets?

Post by DaveO430 » Thu Apr 19, 2018 8:04 am

Scooter363y wrote:
Thu Apr 19, 2018 5:34 am
How hard is to change timing belts on a 1800?

I thought those were chains?
Pretty doggone difficult since they are chains & they sure ain't going to fit a 1200.

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RBGERSON
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Re: When should I replace my 1983 timing blets?

Post by RBGERSON » Sun Apr 22, 2018 8:02 am

Manual says 100,000 but most do at 50,000 or five years.
HAD LOTS OF GOLDWING 75-83
NOW INTO 1500'S..RIDING A 1998 SE

FAIR WINDS,
RB

brownfoxx1
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Re: When should I replace my 1983 timing blets?

Post by brownfoxx1 » Fri May 18, 2018 3:41 pm

i bought a '93 gl-1500 with 60k. had the belts replaced withNAPA's gates belts. i also replaced the idlers.
cost about 55. ea for belts. but when the local bike shop replaced them, the old belts looked great.a friend has 142k on is 1500 and no problems

DaveO430
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Re: When should I replace my 1983 timing blets?

Post by DaveO430 » Fri May 18, 2018 4:32 pm

brownfoxx1 wrote:
Fri May 18, 2018 3:41 pm
.a friend has 142k on is 1500 and no problems
But when a problem happens the damage can be pretty bad. I bought an 83 back in 06, the owner had it for 13 years if I remember right and it had 120,000+ on it. He said "I never had any problem with them". I hauled it home and didn't ride it until I changed the belts.

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WingAdmin
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Re: When should I replace my 1983 timing blets?

Post by WingAdmin » Tue May 22, 2018 3:33 pm

brownfoxx1 wrote:
Fri May 18, 2018 3:41 pm
i bought a '93 gl-1500 with 60k. had the belts replaced withNAPA's gates belts. i also replaced the idlers.
cost about 55. ea for belts. but when the local bike shop replaced them, the old belts looked great.a friend has 142k on is 1500 and no problems
From this article: viewtopic.php?f=14&t=9774
These camshafts are connected to the engine by...you guessed it, timing belts. These timing belts are not like the regular serpentine drive belts you see in your car. Automobile serpentine belts can stretch over time, and they have spring-loaded idler wheels that take up the slack as the belts age. If a timing belt were to stretch, it would throw the timing of the valves off, and the result would be catastrophic. Therefore, timing belts are designed not to stretch, not even the tiniest bit, EVER.

Therein lies the problem. Serpentine drive belts start to crack as they stretch and age. Timing belts, with their special fibers inside, don't stretch, so they don't crack - so a timing belt that is 20 years old with 80,000 miles on it can look virtually identical to one that was put on six months ago and has 500 miles on it. Honda's service schedule says to "inspect" the timing belt - but there is no practicable way of doing this, other than looking for broken teeth on the belt itself. A timing belt wears on the inside, where you can't see it. A timing belt that is about to break can look exactly like one that will run for another 50,000 miles.

So what to do? Simple - if you don't know how long the belt has been on your bike, or how many miles are on it, it's time to change it - now, before you start the engine again. Spending $80 and an afternoon replacing your timing belts is cheap insurance, and a great alternative to spending weeks and thousands of dollars on a new engine.



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