st1100 timing belt cross reference

Just wondering....I'll likely get a spare shortly for both ST's. Any service degradation from hanging still packaged in an alternately hot/cold garage?
 
Oldbikefixr said:
Just wondering....I'll likely get a spare shortly for both ST's. Any service degradation from hanging still packaged in an alternately hot/cold garage?
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Both? Isn't one of your ST's a 1300 which has timing chains.

I really don't know the correct answer to your question and I have no idea what they are made of so I wouldn't even know what to look up.

I would use the same logic as storing V-Belts and tires, which is to keep them well away from any possible exposure to sunlight and ozone, ozone exposure being why tires should be stored in bags, ones that are not clear, even if they are kept inside a building. Keeping them within the same temperature and humidity ranges as what keeps humans happy is a good idea as well if that is an option.

Being a belt I would also make sure that it is stored in a relaxed position, i.e. Not folded or twisted with a tight radius bend in it. V-Belt manufacturers recommend against storing belts by hanging them. If they are to be hung they they should be hung from something with a radius at least as big as the minimum radius sheave that it is designed to be used on. They actually don't recommend hanging them at all. The preferred storage method is lying flat in a relaxed position.
 
they only seem to last 25+ years in normal running operation with repeated heating/cooling cycles inside the engine front cover, so I'd be very careful trying to store one for a few years in a garage. :rofl1:
 
Andrew Shadow said:
Both? Isn't one of your ST's a 1300 which has timing chains.

I really don't know the correct answer to your question and I have no idea what they are made of so I wouldn't even know what to look up.

I would use the same logic as storing V-Belts and tires, which is to keep them well away from any possible exposure to sunlight and ozone, ozone exposure being why tires should be stored in bags, ones that are not clear, even if they are kept inside a building. Keeping them within the same temperature and humidity ranges as what keeps humans happy is a good idea as well if that is an option.

Being a belt I would also make sure that it is stored in a relaxed position, i.e. Not folded or twisted with a tight radius bend in it. V-Belt manufacturers recommend against storing belts by hanging them. If they are to be hung they they should be hung from something with a radius at least as big as the minimum radius sheave that it is designed to be used on. They actually don't recommend hanging them at all. The preferred storage method is lying flat in a relaxed position.
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You are correct! I was thinking of my GL1000. Old guy, early in the morning.......
 
dwalby said:
they only seem to last 25+ years in normal running operation with repeated heating/cooling cycles inside the engine front cover, so I'd be very careful trying to store one for a few years in a garage. :rofl1:
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Yep. Elastomeric stuff seems much improved over the years. Remember when belts and hoses were a near-regular task back in the '60's and '70's?
 
Well, it may be the death toll of the 1100. Junkyard parts, adapting bits and machine shops can keep anything running. But a dearth of timing belts is the end. Unless there is one that is slightly longer/shorter that could work.....
 
dwalby said:
they only seem to last 25+ years in normal running operation with repeated heating/cooling cycles inside the engine front cover, so I'd be very careful trying to store one for a few years in a garage. :rofl1:
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Temp swings in a garage aren't as severe as hot/cold cycling of an engine, but I'd still opt to store them inside the house for maximum longevity.
 
rwthomas1 said:
But a dearth of timing belts is the end. Unless there is one that is slightly longer/shorter that could work.....
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Honda still offers the OEM belt for now, and its possible one of those many cross-reference numbers might work unless every one of them is just repackaging the same discontinued Gates belt.

I think every one of us who has replaced the belt made the comment that it looked almost like new when we removed it. I can't recall anyone saying otherwise.

I'd bet a dollar that you could get away with never changing the timing belt and nothing would happen because of it. The very few instances of belt failure reported seemed to have been caused by something else going south like the water pump, and it took the belt with it. I can't recall a single case of actual timing belt failure being reported here.
 
roadrider said:
Bosch 1987949046
Napa 250325
Gates t-325
Gates 5048
Goodyear g1274
Goodyear 40325
Dayco 94240
Dayco 147rp240
Carquest t325
Contitech ct529
Continental cd325
Flennor tb325
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Unisol HR551RU24, premium type, Made In Japan(!), ~ € 52,- over here... listed as 14401-MT3-000P

And I am tempted as the OEM 14401MT3004 comes for not less then € 127,20,-... the t/belt on my '00 ST1100 is due...
 
dwalby said:
Honda still offers the OEM belt for now, and its possible one of those many cross-reference numbers might work unless every one of them is just repackaging the same discontinued Gates belt.

I think every one of us who has replaced the belt made the comment that it looked almost like new when we removed it. I can't recall anyone saying otherwise.

I'd bet a dollar that you could get away with never changing the timing belt and nothing would happen because of it. The very few instances of belt failure reported seemed to have been caused by something else going south like the water pump, and it took the belt with it. I can't recall a single case of actual timing belt failure being reported here.
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I ran one 1100 to a little over 220 K miles on factory original belt. Still looked good.

Just keep in mind if it goes, it will probably induce terminal mechanical damage and maybe even personal injuries.
 
Well, once one/any bearing in there starts to get "rough" it'll produce heat... accelerating wear, tear and aging of the belt...

Those shown had 150,000km/~94,000 miles on:


t/belt has lost almost any trace of the printings, some odd, brownish dust everywhere in the housing, tooting still "looks OK" though...
 
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