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Post by cjburnsesquire on Jun 9, 2006 15:06:00 GMT 10
Hondas reccomendation was not to go down one on the front with the standard size chain. Something to do with the physical size of a 15t front. As it is 3 up on the back to 44 is about the same as 1 down on the front anly slightly harder to change. cheers,
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Ashes
True Stormer
BMW R1200GS
Posts: 1,434
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Post by Ashes on Jun 9, 2006 18:48:46 GMT 10
Hondas reccomendation was not to go down one on the front with the standard size chain. Something to do with the physical size of a 15t front. As it is 3 up on the back to 44 is about the same as 1 down on the front anly slightly harder to change. cheers, Yep, probaby right, Honda also don't go out of their way to recommend aftermarket pipes, rejetting, restrictors cut out, high flow filters, aftermarket screens, seats, rear suspsension spacers, revalveing the front end and non oem rubber but boy does it improve the bike (as does the 15t front sprocket!!!)
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shayne
Omnipresent
1998 Blueprint
Posts: 8,639
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Post by shayne on Jun 9, 2006 20:27:48 GMT 10
It also lowers the highest point of the chain and will cause increased chain guide wear. That will be why Harry Honda says don't do it.
Minor issue in my opinion.
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Post by bassmaniac69 on Jun 9, 2006 20:30:28 GMT 10
Has anyone here tried this conversion and set at all? tinyurl.com/euvf4Works out at about $250 landed here or so for the whole lot. The whole lot reads well, would there be any disadvantage to doing this? Thanks guys!
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shayne
Omnipresent
1998 Blueprint
Posts: 8,639
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Post by shayne on Jun 9, 2006 21:20:01 GMT 10
A couple of our members have bought this from the US. Maybe Yella?
I have looked at it closely and reckon it will be a goer when I decide on a final sprocket combo. My bike won't do many miles so I am not concerned about wear rates.
Having said that a lot of the US based boys have this combo and none of them report any noticeable increase in wear. You are getting top quality stuff with an X-ring EK chain and Vortex sprocket.
Main advantage is the weight saving in the reciprocating assembly. Same effect as lightening pistons or flywheel.
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Post by Sharpest1 on Jun 13, 2006 6:35:47 GMT 10
Has anyone here tried this conversion and set at all? tinyurl.com/euvf4Works out at about $250 landed here or so for the whole lot. The whole lot reads well, would there be any disadvantage to doing this? Thanks guys! That's exactly what I'm running and had no problems. No worries dealing with them either. The rear is a lightweight alloy job and doesen't feel up to it but seems to be doing OK so far. Had it on for about 5K.
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Post by thumpa on Jun 26, 2006 13:37:39 GMT 10
I just changed my front to a 15 and the rear to a 42. pulls really well down low but does suffer on the highway at high speeds. has defineatley thrown out the speedo, and not sure what to do about that. It doesnt cruise as well as it used to at high speeds it revs about 1000rpm more than it used, which now makes it quite loud, however makes wheelies easy
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shayne
Omnipresent
1998 Blueprint
Posts: 8,639
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Post by shayne on Jun 27, 2006 7:54:01 GMT 10
Get yourself a Speedohealer, or talk to Rufion as he makes them as well. He has a post in Parts for Sale. If you can't find it send him a PM.
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Post by vtraffair on Feb 8, 2007 10:25:09 GMT 10
So OEM sprokets and chain are 520?
When I had my sprokets and chain replaced all at the same time, when I got the bike back, the chain seemed long. From new, the adjusters were already in the blue section of the bar, and it only took the first adjustment of less than 1 notch to get them showing "replace" Is there 1 too many links in the chain? Or is this common.
I want to do the 15 tooth on the front, what is a good combination of equipment that you have found, and is it worth going to 530?
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raven
Honourable Member
2000 SP-1
Posts: 783
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Post by raven on Feb 8, 2007 12:33:25 GMT 10
So OEM sprokets and chain are 520? When I had my sprokets and chain replaced all at the same time, when I got the bike back, the chain seemed long. From new, the adjusters were already in the blue section of the bar, and it only took the first adjustment of less than 1 notch to get them showing "replace" Is there 1 too many links in the chain? Or is this common. I want to do the 15 tooth on the front, what is a good combination of equipment that you have found, and is it worth going to 530? Nah Tim, the stockers are 530, people change to 520 which is lighter so spins up quicker. I had the chain length problem like you, when I went to 15 on the front, it almost seems to want half a link less It hasn't needed much adjusting though, but hopefully when I run out of adjustment I can remove a link (or go a new 520 set-up instead) As far as equipment goes I used a generic 15t on the front and 41 (stock) rear with a DID 530 o-ring chain (better to go x-ring or xw-ring, but I took what I could get on the day). Plus I bought a chain breaker/riveting tool - not a hard job if you take your time and be careful.
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Post by vtraffair on Feb 8, 2007 23:54:42 GMT 10
I'm gonna have to find my reciept. Whatever is on there, it is stock gearing, but I don't know if he put 520 or 530 back on it. Whatever it is though, it seems to be longer than the last one. Maybe he put 520 on and thats why it is longer. So anyone know how many links I should have . And would 520 and a 15 tooth on the front enable one less link? I just want my adjustment back.
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shayne
Omnipresent
1998 Blueprint
Posts: 8,639
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Post by shayne on Feb 9, 2007 8:06:09 GMT 10
The size of the chain, being 530, 520, 525 etc, is the "pitch". Basically this means narrower links, however the length of each link is the same. So, with any sprocket combination the chain length, and number of links, will be the same.
If you have length issues (gasp!!!) removing another link would be the answer. Chains come in a couple of lengths and then need to be cut to the correct length for each individual bike.
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Post by mintpaul on Feb 9, 2007 8:21:17 GMT 10
I'm gonna have to find my reciept. Whatever is on there, it is stock gearing, but I don't know if he put 520 or 530 back on it. Whatever it is though, it seems to be longer than the last one. Maybe he put 520 on and thats why it is longer. So anyone know how many links I should have . And would 520 and a 15 tooth on the front enable one less link? I just want my adjustment back. I just got a 520 conversion but I aint put it on yet. It says something on the back of the Vortex sprocket about how many links you need to how many teeth you have on the sprockets. Look it up the net and I will check it when I get back from work. Paul
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Post by colinlinz on Feb 9, 2007 9:21:33 GMT 10
The size of the chain, being 530, 520, 525 etc, is the "pitch". Basically this means narrower links, however the length of each link is the same. So, with any sprocket combination the chain length, and number of links, will be the same. If you have length issues (gasp!!!) removing another link would be the answer. Chains come in a couple of lengths and then need to be cut to the correct length for each individual bike. Just a small point. The pitch is the measurement between the link pins, the width is the width. An example is that a 520 chain is 5/8 of an inch between the pins and 2/8 of an inch between the inner plates, a 530 is 5/8 of an inch in pitch (between the pins) and 3/8 of an inch in width (distance between the inner side plates. What does this mean? The 520 does not have the same bearing surface area, therefore all things being equal it will not have the same load carrying capacity or life span. It does how ever have less mass, and therefore can accelerate faster. The standard chain has 102 links. if you have changed sprocket size, you have changed the circumference of the sprockets. This will change the length of chain needed to attain the same axle position. Depending on how much you change this you could change the length of the chain. I fitted a 15 front to my bike earlier in the year, this was not enough to be able to shorten the chain so I retained the standard length. It will reach its adjustment limit sooner than the standard set up, but that is the price you pay for the mod. You can get half links, but I would advise against them.
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Post by vtraffair on Feb 9, 2007 11:36:49 GMT 10
Still standard sprockets. Thats why I dont understand why the chain seems so much longer. Hmmm.
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Post by colinlinz on Feb 9, 2007 11:59:23 GMT 10
Still standard sprockets. Thats why I dont understand why the chain seems so much longer. Hmmm. As Shayne said earlier, chains come in different lengths. A typical example is 120 links. The VTR with standard gearing uses 102 links so therefore the chain needs to be shortened. If it hasn't been shortened enough it will naturally be longer and use up more of the adjustment capability of the adjuster.
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shayne
Omnipresent
1998 Blueprint
Posts: 8,639
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Post by shayne on Feb 9, 2007 13:45:27 GMT 10
Ah, there you go, I thought that the width was noted as "pitch".
Just goes to show that you can't believe evrything you read on the internet!! ;D ;D
So disregard the "pitch" reference and think of it as width and you will be right. With your new sprockets being the same size as the old ones, the reason your axle is further back will be the no. of links left in the chain, ie one extra link has been left in compared to your last chain.
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Post by vtraffair on Feb 9, 2007 23:34:52 GMT 10
I counted 102 links. 16 on the front, 41 on the rear, and from brand new, the indicator is already in the replace section of strip. How unusual. Im gonna run out of adjustment well before the thing is actually worn.
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Post by colinlinz on Feb 10, 2007 7:50:42 GMT 10
I counted 102 links. 16 on the front, 41 on the rear, and from brand new, the indicator is already in the replace section of strip. How unusual. Im gonna run out of adjustment well before the thing is actually worn. Did you count the teeth on the sprockets? If not, check them out. It could be that the size is stamped wrong. Apart from that there is not much else to look at. Has it always been like this or only since replacing the chain set?
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Post by mintpaul on Feb 10, 2007 8:27:43 GMT 10
Hey,
This is from the back of my new Vortex rear Sprocket "destructions"
"Calculating Chain Length" Altering the number of teeth on your sprockets will affect the number of chain links required. To estimate the new chain length, take the difference in tooth size, divied by two and then add one link. For example, if you change from a 40 tooth sprocket to a 50 tooth sprocket (10 tooth sizes) this is a ten tooth difference. 10 divided by 2 is 5. Then add 1 link to the equation making 6 links in total.
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Post by colinlinz on Feb 10, 2007 9:16:46 GMT 10
Hey, This is from the back of my new Vortex rear Sprocket "destructions" "Calculating Chain Length" Altering the number of teeth on your sprockets will affect the number of chain links required. To estimate the new chain length, take the difference in tooth size, divied by two and then add one link. For example, if you change from a 40 tooth sprocket to a 50 tooth sprocket (10 tooth sizes) this is a ten tooth difference. 10 divided by 2 is 5. Then add 1 link to the equation making 6 links in total. Do they have a formulae for the front sprocket too? I would think one tooth here would be different to one tooth on the rear sprocket in terms of chain length. Still, it doesn't help vtraffair much as his sprockets and chain length appear to be standard.
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Post by vtraffair on Feb 10, 2007 9:39:33 GMT 10
Yeah, only since replacing. Maybe I've just been unlucky and picked up a chain with a little more slack in it to begin with. I'll wear it till there is no adjustment left, then break a link out and wind her all the way in to the stops again, and hopefully the chain will close up again. Then it's just a matter of reading the sprocket as a wear indicator, rather than the gauge I guess.
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Deleted
Deleted Member
Posts: 0
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Post by Deleted on Apr 13, 2008 17:49:36 GMT 10
Calling Colin!!!
Had 16/43 before all worn out!
Just fitted a 15/41 (and spastic link) to bike how much does speedo read out now???
Say me do 100 on speedo what do it really be speed!?
regards Large headed man
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shayne
Omnipresent
1998 Blueprint
Posts: 8,639
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Post by shayne on Apr 13, 2008 22:07:23 GMT 10
At 4000rpm in sixth gear the bike will be doing 100km/hr with standard sprockets.
With 15/41 you will be doing 94 km/hr.
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Post by Torquescheap on May 29, 2008 12:10:19 GMT 10
My bike reads about 3600rpm 6th gear at 100km/h. 4000rpm is around 120km/h with standard gears???
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Post by steve72 on May 30, 2008 19:24:42 GMT 10
it doesn't change the speedo it just means less top end speed it's not like a car and normally you change a tyre profile to change your speed not sprockets better mono's but more tyre wear better drive out of corners
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Saz
Living Legend/Mod
ex-stormer
Posts: 3,266
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Post by Saz on May 30, 2008 19:48:30 GMT 10
YOu have an email at your bigpond a/c with the gearing excel file.
Best way is to use a GPS, as you know a stock bike is even inaccurate (generally)
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Post by colinlinz on May 30, 2008 20:01:57 GMT 10
"Be the Cloud". Have you been watching old Kung Fu episodes?
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Post by zi on Nov 6, 2008 0:03:11 GMT 10
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shayne
Omnipresent
1998 Blueprint
Posts: 8,639
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Post by shayne on Sept 7, 2009 16:06:15 GMT 10
If you are buying all new gear then I would go for 16/43. Not much difference to 15/41, but my preference due to minimised chain guide wear. Good ratio for the VTR IMO.
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