Timing Belt Life


Information and questions on GL1200 Goldwings (1984-1987)
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wheels_up
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Joined: Wed Jan 23, 2019 3:27 am
Location: Virginia Beach, VA
Motorcycle: 1985 GL1200 Limited

Timing Belt Life

Post by wheels_up » Mon Jul 01, 2019 8:05 am



I have almost finished restoring a 1985 Goldwing Limited with 33,500 miles on the odometer.
My question is, should I replace the Timing Belts as a preventive maintenance insurance policy?

1. Poor Boy Alternator Conversion Kit
2. Franks Forks, 1985 GL1200L stock length fork tubes
3. AK-20 AXXION cartridge and springs installed by Traxxion Dynamics in Woodstock GA (the entire front suspension + Franks Forks fork tubes shipped to Traxxion because of significant machining required)
4. Hyperpro model 360 TS rear shocks
5. Russell Day-Long with heat in both seats
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dingdong
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Motorcycle: 1976 gl1000
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Re: Timing Belt Life

Post by dingdong » Mon Jul 01, 2019 8:10 am

Timing belts should have #1 on your list. Very nice bike.
Tom

"Molon Labe"

John F. Kennedy would be impeached by todays liberal Democratic socialist party.

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WingAdmin
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Re: Timing Belt Life

Post by WingAdmin » Mon Jul 01, 2019 9:39 am

Agreed - particularly if you don't know for SURE when they were last changed, you should definitely change them out.

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CrystalPistol
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Location: Shenandoah Valley of Virginia
Motorcycle: 1997 GL1500SE/'98 Lehman Trike

Re: Timing Belt Life

Post by CrystalPistol » Mon Jul 01, 2019 11:46 am

wheels_up wrote:
Mon Jul 01, 2019 8:05 am
I have almost finished restoring a 1985 Goldwing Limited with 33,500 miles on the odometer.
My question is, should I replace the Timing Belts as a preventive maintenance insurance policy?

1. Poor Boy Alternator Conversion Kit
2. Franks Forks, 1985 GL1200L stock length fork tubes
3. AK-20 AXXION cartridge and springs installed by Traxxion Dynamics in Woodstock GA (the entire front suspension + Franks Forks fork tubes shipped to Traxxion because of significant machining required)
4. Hyperpro model 360 TS rear shocks
5. Russell Day-Long with heat in both seats
Wow, you doing her up right ain't you. You've gone that far, I'd do belts too. Would have been easier if done with the "poor-boy" deal.

Good bet the OEM at only 33,500 miles living inside a dark enclosure will look / bend / feel OK, but why chance it?

Va. Antique tag kind of limits use. https://law.lis.virginia.gov/vacode/tit ... n46.2-730/
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oldishwinger
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Location: New Zealand
Motorcycle: 1986 GL1200 Aspencade

Re: Timing Belt Life

Post by oldishwinger » Mon Jul 01, 2019 4:43 pm

very nice bike, congratulations yep would pay to change them its an age and wear thing, although have to say Ive never actually heard of a belt failing on a wing

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WingAdmin
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Re: Timing Belt Life

Post by WingAdmin » Mon Jul 01, 2019 6:00 pm

oldishwinger wrote:
Mon Jul 01, 2019 4:43 pm
very nice bike, congratulations yep would pay to change them its an age and wear thing, although have to say Ive never actually heard of a belt failing on a wing
We have had MANY members here who have severely damaged or destroyed engines due to broken timing belts, including one who was just featured in the newsletter that went out today:

Wing threw a timing belt ... what now?

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oldishwinger
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Re: Timing Belt Life

Post by oldishwinger » Mon Jul 01, 2019 6:04 pm

WingAdmin wrote:
Mon Jul 01, 2019 6:00 pm
oldishwinger wrote:
Mon Jul 01, 2019 4:43 pm
very nice bike, congratulations yep would pay to change them its an age and wear thing, although have to say Ive never actually heard of a belt failing on a wing
We have had MANY members here who have severely damaged or destroyed engines due to broken timing belts, including one who was just featured in the newsletter that went out today:

Wing threw a timing belt ... what now?
My bad sorry

Rambozo
Posts: 142
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Motorcycle: 1992 GL1500 Aspencade

Re: Timing Belt Life

Post by Rambozo » Mon Jul 01, 2019 7:05 pm

oldishwinger wrote:
Mon Jul 01, 2019 6:04 pm
WingAdmin wrote:
Mon Jul 01, 2019 6:00 pm
oldishwinger wrote:
Mon Jul 01, 2019 4:43 pm
very nice bike, congratulations yep would pay to change them its an age and wear thing, although have to say Ive never actually heard of a belt failing on a wing
We have had MANY members here who have severely damaged or destroyed engines due to broken timing belts, including one who was just featured in the newsletter that went out today:

Wing threw a timing belt ... what now?
My bad sorry
Actually that tale was more about if you are going to do the job, do it right. The belt was changed, and didn't break, but a bolt backed out from lack of locktite.

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dingdong
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Re: Timing Belt Life

Post by dingdong » Tue Jul 02, 2019 7:52 am

I can personally attest to the damage caused by a broken timing belt. After inspecting belts on my 76 just after I first got it (Recommended by the manual.) I decided that they looked like new (famous last words) and didn't change them. Two bent exhaust valves and a tow truck charge resulted. I also recently did a repair of an 1983 That had a broken belt. So yes they do break. I think more belts break due to sitting for years than break from miles of regular use.
Tom

"Molon Labe"

John F. Kennedy would be impeached by todays liberal Democratic socialist party.

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LWH
Posts: 33
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Motorcycle: 1985 GL1200 Interstate

Re: Timing Belt Life

Post by LWH » Tue Jul 02, 2019 5:53 pm

I too just bought my 85 1 year ago this week. The Po said the timing belts had been changed, the bike had 37000 miles. Some of the things he said were not true, so I decided to change the belts and they were OEM belts on it and one belt had started to fray on an edge so I dodged a bullet if in any doubt change them, I got my belts from Rock Auto. Just My Two Cents

sattech200
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Location: Saint Joseph, MI
Motorcycle: 1985 Honda Goldwing LTD
1983 Yamaha Virago

Re: Timing Belt Life

Post by sattech200 » Sun Jul 14, 2019 8:01 am

Curious what the recommended interval is of an oem timing belt?

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julimike54
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Re: Timing Belt Life

Post by julimike54 » Sun Jul 14, 2019 1:13 pm

The only printed manual information I've ever found is in a Lexus manual. Service: 7 years/70k miles, change them out. When thinking of rubber things it appears that all have a service life, but not all have an expires on date :shock:

Most timing belts appear to fail as missing teeth, they are just ripped off


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