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To be frank with ya Daz,a couple of Harley guys I know recommended that I set that belt alittle on the loose side which is why I did it and glad I followed their advice.Now according to the article you read,a loose belt will break at what,around 30,000?? Well I've owned this thing for 13 months now and have 23,000 miles on it.So if we don't have a bad winter,I should have 30,000 miles on it by the end of the year.Now if it snaps,per the article you read,then we'll know they were right.but if it doesn't snap,then we'll know that they were wrong.Well I kinda doubt it will break.But let me also say this! If it does break,that machine is gonna disappear so fast that your head will spin and,that will be the first and last belt drive I'll ever own.I think that's called,when is enough ,enough.lol lol We'll see. Dave!!!
 

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Discussion Starter #22
Most of the things i read about belts say more like 60k or more. I once asked at a harley forum what they get out of a belt and the lowest was i think 60k. Many were reporting about 100k.
On the issue of triumph's recommended tension being uber tight once hot, i'm going to see if i can get ahold of a rep tomorrow and see what they say about it. I'll also call mickey cohen and see how his advice differs. We live in a world where you can ask a question of a panel of highly regarded experts in any field and get no 2 answers that are the same. Man, it's so hard to get correct answers today !
 

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Daz:The book is NOT always correct nor are the support people as you're obviously finding out.lol lol It's just a starting point.So trial and error is how we learn.Now if ya set the belt as I explained and give the belt that little extra,that just might solve your problem.I usually set mine with the bike in the air.In other words,the wheel is off the ground so you would use the higher number of the Triumph spec or approximately 3/8 of an inch.So I give it just a tad more or set it at a half inch.When I set her down on the floor,that 1/2 inch of free play now becomes 3/8 of an inch.Triumph's recommended freeplay on the tightest part of the belt when adjusted on the floor is .2-.28 MM or approximately 1/4 inch.So in essence, I'm only increasing the recommended up and down play by 1/8 of an inch which is workin.And now,as we just discovered,with the bike on the floor,the belt's up and down play at the top of the belt when cold is two inches and when hot,one inch.When somethin works,ya run with it and that's what I've done.So I guess what I'm sayin is,give it a shot.Whadaya have to lose??? Dave!!!
 

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Discussion Starter #24
I'm not having a problem with how loose or tight i think it should be. I have my thoughts on that and i'm content with it. What i'm not content with is the huge difference between cold and hot and the fact that everyone who should know considers 1/4" at 10 Lbs when cold correct. I understand that they can be wrong, but in my research i'm finding triumph's specs to be what everyone uses. And again....i have no problem with thier spec, IF IT STAYED THERE WHEN HOT. I want to get to the bottom of that because it's frucking crazy !
 

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I understand Daz.If [when] ,lol, ya get to the bottom of the mystery,let me know.But in the meantime I'll stick with my trial and error theory as it's workin out real good for me. Dave!!!
 

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Discussion Starter #26
I will. Thing is, i realize it's working for you, and actually mine is working for me too. right NOW. My worry is that things that are working now may not be sooner than later. We can't see the future. Your method may take you to 30 or 40k, but we don't know that triumph's way wouldn't take you to 60 or 100k. I want to know that however i'm doing it is the right way. But again, main concern is the cold/heat thing. That to me is one of those questions that has me scratching my head as to why no one else seems to wonder or worry about it. All it would take is for everyone to adjust thier belts like triumph suggests, then ride till warm and recheck the tension. I think we'd then have a hoard of people that would be just as curious as I am !
 

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Got over 2500 miles on the tire and haven't touched anything since I put it on Daz.So I must have done somethin right??Remember!! I'm not the brightest star in the sky,but in this case,I think I got lucky. lol lol Dummy Dave!!!
 

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Discussion Starter #28
Well, theres one thing that does worry me about looser belts....mine has been shedding literally 5 times as much since it's been loose. I just cleaned enough rubber off the wheel to mold a new rear tire ! And i know my alignment is very accurate. So i'm going to at least tighten it to where it's almost as tight as triumph recommends, but not cold. I'll set it like that when hot.
 

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Well to add some data to the discussion.

-belt temp. before ride 76F after 30 min ride 117F
-belt downward deflection before ride 1/2" after the ride 1/4"

I hope this helps
 

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Well to add some data to the discussion.

-belt temp. before ride 76F after 30 min ride 117F
-belt downward deflection before ride 1/2" after the ride 1/4"

I hope this helps

Your belt deflection measurements sound about right.When I checked mine,I was moving it up AND down while applying pressure.I didn't move it in just one direction.

As for the belt's temp,I never thought about checking that.I'll have to do that the next time around.Thanks for the tip. Dave!!!
 

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Well, theres one thing that does worry me about looser belts....mine has been shedding literally 5 times as much since it's been loose. I just cleaned enough rubber off the wheel to mold a new rear tire ! And i know my alignment is very accurate. So i'm going to at least tighten it to where it's almost as tight as triumph recommends, but not cold. I'll set it like that when hot.
Das: Ya never mentioned the belt shredding.That in itself is a BIG problem and the stealer should have been on top of that.Too tight or too loose should not cause that to happen.SO! If it were me,I'd be lookin real close at the outer edges of both the front and rear cogs for jagged edges on either side, and on the teeth in the cogs,also for jagged edges on the ends of em where the belt rides.I'd also check both cogs to make sure they're tight and not warped.

The outer edge of the front cog has a machined surface,not real smooth,but it shouldn't be chewin up the belt either.The inside edge has nothin.The rear wheel alignment is what keeps the belt from traveling off the inner edge of that front cog.

The outer edge of the rear cog also has a machined surface,but again,shouldn't be chewin up the belt.The inner edge has a smooth chromed thrust ring which is replaceable.So I'd be lookin at all those things real close and ASAP.Let me know what ya find.Now ya really got me curious. lol OK?? Dave!!
 

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Discussion Starter #32
It wasn't doing this till the belt was loose after changing the tire. And the alignment is dead on where it was before that, so i gotta think it's the looseness. i adjusted it tighter last nite...not as tight as triumph says, but tighter than it was.
 

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Daz: Just how loose was your belt??? When I say I adjust mine alittle on the loose side,I'm only talkin an 1/8 inch or so more then spec or what the SM says,and that's at the belt's tightest point and COLD,NOT HOT,and my belt has been fine.Now if the belt was real,REAL loose,I suppose it's possible that it could sustain damage,but that's what that thrust ring is supposed to prevent,unless the belt was so loose that it actually jumped that thrust ring.Then I could see it shredding.It's too bad ya didn't live close by.I'd have ya bring it over and we'd straighten it out or I'd know the reason why.But I would still check for jagged edges on both cogs as well as making sure they're not loose or warped.Keep us posted as you now have my undivided attention.What I'm lookin for here is the "WHY" this happened.Somethin else I just thought of too:Is the wheel itself tight when mounted on the machine?? In other words is there any side play in the wheel which would suggest a bad bearing??? Dave!!!
 

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Discussion Starter #34
You said yours was 2" at the loosest. Then later you said that was total both ways, IE: up AND down. So i assumed yours was extermely loose because even after you said both ways meaning it would then be 1", thats still 4 times as loose as triumphs spec assuming you use 10 Lbs of push. Mine was probably 1-1/4 to 1-1/2 when cold and about 1/2 that hot. That with 10 lbs tho. I hve a scale which i can push with my finger to get a feeling of what 10 Lbs is, so while not accurate as a tension gauge i think i can get plenty close enough. You need to say what pressure you use because w/o that no measurement means anything to me because the difference could be nite and day depending on that. In any case mine is now tighter and i'm watching it. But like i said before it became loose there was a lot less dust on the wheel so i have no doubt it was the looseness. It's never shredded that much and it's never been nearly that loose, and they both occurred at the same time, so i think it pretty obvious.
 

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Afternoon Daz.That's correct.Cold,mine has approximately 2 inches total,when I push it up and down with pressure or just about to the point ya have to really push on it to get it to go any further,and approximately 1 inch when it's hot.I do not have any type of pressure measuring device to get the exact amout of pressure I was putting on the belt when I did this.And where I checked that was NOT at the belt's tightest point.It was just a random check on the top of the belt in front of the upper belt guard.When and where I set the free play is at the tightest point of the belt,COLD, measured in that slot in the lower belt guard,and with the rear wheel raised.I raise the wheel so I can rotate it to find the belt's tightest point.I appologize for not explaining myself better.Remember what I told about me not bein too bright?? lol Well,there ya go! lol

And today,I took temp readings hot and cold.When I left this am,the belt was room pr the ambient temperature,67*.When I just came back in after traveling approximately 80 miles which should have heated it up pretty good,the belt's temp was 92* which is compatible with what the other gentleman got.

Did ya happen to check your pulleys or cogs for any sign of metal burrs or jagged edges??Just wondering as we wanna cover all the bases.Dave!!!
 

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Discussion Starter #36
No, but i'm sure they're ok. I will check them if tightening doesn't stop the dust tho.

Afternoon Daz.That's correct.Cold,mine has approximately 2 inches total,when I push it up and down with pressure or just about to the point ya have to really push on it to get it to go any further,and approximately 1 inch when it's hot.I do not have any type of pressure measuring device to get the exact amout of pressure I was putting on the belt when I did this.And where I checked that was NOT at the belt's tightest point.It was just a random check on the top of the belt in front of the upper belt guard.When and where I set the free play is at the tightest point of the belt,COLD, measured in that slot in the lower belt guard,and with the rear wheel raised.I raise the wheel so I can rotate it to find the belt's tightest point.I appologize for not explaining myself better.Remember what I told about me not bein too bright?? lol Well,there ya go! lol

And today,I took temp readings hot and cold.When I left this am,the belt was room pr the ambient temperature,67*.When I just came back in after traveling approximately 80 miles which should have heated it up pretty good,the belt's temp was 92* which is compatible with what the other gentleman got.

Did ya happen to check your pulleys or cogs for any sign of metal burrs or jagged edges??Just wondering as we wanna cover all the bases.Dave!!!
 

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Das:Almost every Friday night,a bunch of guys like myself,get together for coffee and discuss motor vehicle problems in general.So tonight,I brought up the shredding belt problem which we kicked around and everyone agreed that,even if ya only have a tiny burr on either cog,that will raise hell with the belt and leave a tell tale sign of rubber on the wheel or someplace on the back end of the machine.Now I'm not tryin to belittle or doubt you or anyone else,I'm only tryin to help and again, just wanna cover all the bases.And the loose belt theory also came up and it was also agreed that an extremely misaligned wheel could also cause that to happen.But I thought you said the alignment was ok or only slightly off.So, if that's the case,that brings us back to the burr on the cog theory.Now if ya think you have the problem solved,then I'll stop diggin and move on to somethin else.But as I said,you do have my undivided attention on this problem as what I'm lookin for is the "WHY".lol Dave!!!
 

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Discussion Starter #38
Well, i have had the shedding issue before. And i should mention it's not "shRedding", it's shedding just dust like brake dust which is totally normal, just not to this degree. But yes, alignment DOES amplify the issue. But i have found a way to align it quite accurately so i'm sure it's good. I can't say whether tightening the belt will take care of it but i'm 90% sure it will, especially since it only started it's latest episode right when it went loose after i put the tire on.

Unfortunately i can't tell you if it's now shedding normally or still a lot because it doesn't just happen after a few short rides. It took a good week or 10 days to notice there was a lot more dust than normal. So i'll know in maybe a week for sure if it's good and will report back. Thanks for the concern.
 

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Okey Dokey.Keep me posted.If there is a problem,I,and probably everybody else that owns one of these machines and is reading this,would like to know about the problem and more importantly,the fix.lol Take care sir. Dave!!!
 

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Discussion Starter #40
Ok, i called mickey cohen figuring if anyone would know it's him. Asked about the hot/cold thing and he said thats normal. Asked about the triumph 10Lbs/.25" spec and he said he feels thats too tight and he adjusts about .75". And thats where i have it now already, andi'm keeping it there. 3/4" when cold which will probably equal triumph's spec when hot or a bit looser. I think if triumph just changed thier manual to read "when hot" they'd be spot on.
 
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