switch to> I think that if I had to spend much time on the road, I would
on> the 16 tooth driven sprocket. For me anyway, that would make the > difference between leak and no-leak. A couple of the other people
vibration> the list seem to like the bigger sprocket because it reduces
> at speed. > > Randy
I would think that a loose output shaft bearing would be a better indication. [...]> Dunno if you've checked for spline wear, but isn't the leading cause of > hair-loss, I mean, oil leaking from the CS an over tightened chain? I > would think this would be visible on the CS splines if that were the > case...
An interesting concept.> If you've got a pre 1993, I would seriously recommend a Jake Jakeman > Sprocket Retainer and Shim set...
The design of the retainer has bugged me for some time. The retainer only seems to be about 1/2 spline out of line, where most people would put the splines in the retainer one whole spline out of line so that the shaft splines contact all of the spline on the retainer. Maybe one day when I fit a new retainer, I'll slot the bolt holes in the retainer to move its splines around a bit further. The other thing to consider with that design of "floating" sprocket is that the life of the shaft splines might be improved with a bit of chain lube onto the splines whenever the chain is sprayed. Since the sprocket will move around a bit anyway, it might as well be lubricated when it does it. I don't recall the manual mentioning any need to lube the splines, but the stock sprockets are not higher quality, solution heat treated steel like the ones I use, so the stock sprocket centre should wear a fair bit more than the shaft. Mister_T Melbourne Australia> My 1991 KLR with 9k miles has visible > wear on the CS splines!!! So this was a good upgrade for me, especially > considering that the teeth on the OEM retainer were about 75% gone.
[...] Ah, this is new information. From the above, it may appear that there could be a crack in the casing which is opened up when the seal in pushed into its bore. Mister_T Melbourne Australia> yeah i guess i should have replaced that as well,the oil just seems to > puke out of the seal against itself and the casing, the center of the seal > onto the output shaft is OK,
You're totally right, I am lucky enough to have only heard about this phenomenon on the list and never had to deal with it first hand.> I would think that a loose output shaft bearing would be a better > indication.
My father is sending me his big ass Nikon macro lens with a ring flash on it so that I can get some good pics of how the Jake Jakeman retainer teeth *completely* overlap the CS splines. The retainer is also about twice as thick as the stock and being that Jake is much better machinist that KHI, I had to touch up the retainer teeth with a file, as the groove on the CS was not well machined from the factory. Comes with 10.9 grade bolts as well.> The design of the retainer has bugged me for some time. > The retainer only seems to be about 1/2 spline out of line, > where most people would put the splines in the retainer one > whole spline out of line so that the shaft splines contact all of the > spline on the retainer. > Maybe one day when I fit a new retainer, I'll slot the bolt holes > in the retainer to move its splines around a bit further.
If you were to look at the new style sprocket retainer system (the 28mm nut), I think you'll agree with me that KHI moved to that so that the floating sprocket UDF would not be a problem. I think that this was another UDF by KHI which they should have fixed with a thicker, machined retainer that is spaced properly (as Jake's is) rather than a big ass unwieldy nut that is a friggin pain to change in the field. Who the heck wants to carry an 18" breaker bar and socket with them? On my A5 all I need is my 10mm socket wrench. I have been running PBI sprockets, which I would assume are better quality than stock, but since that has only been within the past 1000 miles, I think that the majority of the wear on my splines was from the stock sprocket and the 'floating' sprocket UDF (i.e. about 8,000 miles). So that is why I think its worth moving to Jake's kit ASAP if you've a pre-1993... I feel it is a great $20 of preventitive maintenance. My two pesos. ------------------ Zack Banana Republic of Washington, DC KLR650A5 "Buster" | KLR650A2 | ZG1000A1 | KZ440A2 | KX125G1 | 1966 Vespa 125 COG #4664> > The other thing to consider with that design of "floating" sprocket > is that the life of the shaft splines might be improved with a bit > of chain lube onto the splines whenever the chain is sprayed. > Since the sprocket will move around a bit anyway, it might as well > be lubricated when it does it. > > I don't recall the manual mentioning any need to lube the splines, > but the stock sprockets are not higher quality, solution heat treated > steel like the ones I use, so the stock sprocket centre should wear > a fair bit more than the shaft. >
----- Original Message ----- From: "Ted Palmer" To: DSN_klr650@yahoogroups.com> Sent: Tuesday, July 31, 2001 5:18 PM Subject: Re: [DSN_klr650] f##king oil leak > gtx wrote: > > > yeah i guess i should have replaced that as well,the oil just seems to > > puke out of the seal against itself and the casing, the center of the seal > > onto the output shaft is OK, > [...] > > Ah, this is new information. From the above, it may appear that there > could be a crack in the casing which is opened up when the seal in > pushed into its bore. > > Mister_T > Melbourne Australia > > yeah theres a small chip in the casing at the 1oclock pos. anyway sealed it up today with araldite ,will post the outcome tommorow All the best Gary > > Visit the KLR650 archives at > http://www.listquest.com/lq/search.html?ln=klr650 > > Post message: DSN_klr650@yahoogroups.com > Subscribe: DSN_klr650-subscribe@yahoogroups.com > Unsubscribe: DSN_klr650-unsubscribe@yahoogroups.com > List owner: DSN_klr650-owner@yahoogroups.com > > Support Dual Sport News by subscribing at: > http://www.dualsportnews.com > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > >
----- Original Message ----- From: "Greg Paul" To: "gtx" Sent: Tuesday, July 31, 2001 4:56 PM Subject: Re: f##king oil leak > C'mon Gary, the money you'll save from not having to buy chain lube, > in a few weeks you'll be able to buy a brand new KLR!
--- In DSN_klr650@y..., "Jonathan Sykes (SWUS)"
wrote:
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