When should I replace my 1983 timing blets?


Technical information and Q&A applicable to all years and models of Goldwings
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dvanvlerah
Posts: 6
Joined: Mon Apr 11, 2011 7:44 pm
Location: Beavercreek, Ohio
Motorcycle: 1983 Goldwing 1100 Interstate

When should I replace my 1983 timing blets?

Postby 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
Posts: 1040
Joined: Mon Jul 19, 2010 7:46 pm
Location: Lexington, North Carolina
Motorcycle: 1989 Honda GL1500 Aspencade

Re: When should I replace my 1983 timing blets?

Postby 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
Posts: 138
Joined: Thu Mar 11, 2010 12:01 am
Location: Webster, NY
Motorcycle: 2012 GL1800 Navi
1983 GL1100A Aspencade

Re: When should I replace my 1983 timing blets?

Postby 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
Posts: 7653
Joined: Sun Sep 19, 2010 5:39 pm
Location: Denham Springs,La.
Motorcycle: 1988 GL1500 I
Previously owned
78 GL1000
81 GL1100
82 GL1100 I
83 GL1100 I
83 GL1100 standard
84 GL 1200 I

Re: When should I replace my 1983 timing blets?

Postby 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
Posts: 573
Joined: Mon Oct 26, 2009 4:25 pm
Location: Alvinston, SW ON
Motorcycle: 1992 GL1500Aspencade

Re: When should I replace my 1983 timing blets?

Postby 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
Posts: 2864
Joined: Thu Apr 08, 2010 8:35 am
Location: Oklahoma City
Motorcycle: 1976 gl1000
1993 gl1500
2004 NRX1800 Rune

Re: When should I replace my 1983 timing blets?

Postby 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

A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed.


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