KX Riders
Maintenance & Technical => KX250 / KX125 => Topic started by: 1989kawasaki on August 25, 2011, 12:45:26 PM
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i cant seem to stop the front sprocket seal to stop leaking, ive put in seals , o rings and still there is always a red river underneath my bike.
how can i put an end to the leak or slow it down so its not that noticeable?
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Did you replace the metal slide colar?? Seals wear grooves in them... Then never seal.. also putting the seal in with some case sealer on it (around the outside where it seals against the case) is a good practice for ALL seals...
One more thing..
You dont know the MEANING of Unstoppable Oil Leaks.... Till you own a British motorcycle :roll: :roll:
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Did you replace the metal slide colar?? Seals wear grooves in them... Then never seal.. also putting the seal in with some case sealer on it (around the outside where it seals against the case) is a good practice for ALL seals...
One more thing..
You dont know the MEANING of Unstoppable Oil Leaks.... Till you own a British motorcycle :roll: :roll:
no, the collar is a discontinued part. i do have a few collars but they dont work. i have heard of people on this site putting RTV in where the seal and collar is.
British motorcycles leak all the time? :|
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Did you replace the metal slide colar?? Seals wear grooves in them... Then never seal.. also putting the seal in with some case sealer on it (around the outside where it seals against the case) is a good practice for ALL seals...
One more thing..
You dont know the MEANING of Unstoppable Oil Leaks.... Till you own a British motorcycle :roll: :roll:
no, the collar is a discontinued part. i do have a few collars but they dont work. i have heard of people on this site putting RTV in where the seal and collar is.
British motorcycles leak all the time? :|
Hmm.. I see the later ones stacked two O-rings up.... Wonder if the Later ones would fit? Or possibly a Kx500 one?
Wouldnt be hard to make one... Have a lathe?
You could take a British motorcycle 100% appart, wipe all the oil off every single part of it off with a rag... Put it back together, Drop it in a VAT of yamabond....... and it would still leak...
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a member measured the kx500 collar but i havent measured mine yet... illl do it now. i have an extra collar in my tool box to measure. ill post back later
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copy and paste from a members kx500 measurements
The collar is 25mm ID X 32mm OD X 10.5mm Length.
MY measurements
25MM ID x 30 OD X 9.53MM length. maybe the length was greater cause the sprocket spins over it
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install new o-ring, collar, sprocket. Then, place a thin shim between the sprocket and retainer clip. this keeps pressure on the o-ring. We always used sea-doo steering shims (they come in different thicknesses and fit around the shaft perfect).This always worked for me,you might try it if you can find something that will work.
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well Mo-rad , do you think the kx500 collar would work?
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well Mo-rad , do you think the kx500 collar would work?
Short answer.... No it won't
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:-( :cry: well ill have to find a nos one. part number 92027-1963
can you help me find one?
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Make one... Easyer than finding one
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Make one... Easyer than finding one
make one with what? do you have a lathe?
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Had that problem when I was running ATF, went back to 10w-40 amsoil motorcycle synthetic and I have not had the problem since. Something to try.
i cant seem to stop the front sprocket seal to stop leaking, ive put in seals , o rings and still there is always a red river underneath my bike.
how can i put an end to the leak or slow it down so its not that noticeable?
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not atf. its belray gear saver 80wt
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I'm out of town but I'll have one of my guys check to see if we have one.
86-90 kx250 will interchange.
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I'm out of town but I'll have one of my guys check to see if we have one.
86-90 kx250 will interchange.
that would be great! thanks
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I am sure that I have used KX500 sleeves in my Tecates.which use the same as kx250s. If memory serves me right you have to use the 500 seal also do to a larger OD sleeve.
The biggest issue I have seen on them leaking is getting some tension on the Oring like was stated use shims under the snapring some of the aftermarket sprockets are thinner thus there is no tension held in on O ring
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so what your saying is that a new kx500 collar and seal and o ring? and an oem sprocket? is what i need to get
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Sorry, you said a red river so I assumed. Good luck. Sometimes the prong an get torn when you put it together too.
not atf. its belray gear saver 80wt
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yes use the 500 parts. the sprocket dosnt matter as long as you make sure its tight you should have to work to get the snap ring on .use shims if its not.
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Hey there 89'er
If you don't swap over to all 5oo parts, get the measurement for the 250 collar. Maybe I can find some stock that could be cut to fit.
I have seen several options available.
http://www.grainger.com/Grainger/shim-stock/machining-supplies/machining/ecatalog/N-9oe?op=search
For those of us who don't have a lathe... yet :|
Tuck\o/
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Hey there 89'er
If you don't swap over to all 5oo parts, get the measurement for the 250 collar. Maybe I can find some stock that could be cut to fit.
I have seen several options available.
http://www.grainger.com/Grainger/shim-stock/machining-supplies/machining/ecatalog/N-9oe?op=search
For those of us who don't have a lathe... yet :|
Tuck\o/
25MM ID x 30 OD X 9.53MM length. maybe the length was greater at one point cause the sprocket spins over it wearing it down
but dont you think it would be easier to buy 500 parts?
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Buy the 500 parts...
If for some strange reason they don't work.. I'll make you a 250 sleeve..
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Buy the 500 parts...
If for some strange reason they don't work.. I'll make you a 250 sleeve..
ok i will but i got to wait till payday next friday :( and i am kind of embarrassed to call the dealer when i was there yesterday getting parts .seems like im there everyday :| but only for nuts and bolts
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Buy the 500 parts...
If for some strange reason they don't work.. I'll make you a 250 sleeve..
ok i will but i got to wait till payday next friday :( and i am kind of embarrassed to call the dealer when i was there yesterday getting parts .seems like im there everyday :| but only for nuts and bolts
All my dealers know me by name.. And see me sometimes 2x a day..
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Buy the 500 parts...
If for some strange reason they don't work.. I'll make you a 250 sleeve..
ok i will but i got to wait till payday next friday :( and i am kind of embarrassed to call the dealer when i was there yesterday getting parts .seems like im there everyday :| but only for nuts and bolts
All my dealers know me by name.. And see me sometimes 2x a day..
my dealer knows me by name when i call , i say hi, they say hey mike!
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All my dealers know me by name.. And see me sometimes 2x a day.. my dealer knows me by name when i call , i say hi, they say hey mike!
We Still are Talking About Motorcycles Right Guys! ?? I can't afford to get caught up in some kind of Cash Drug Mafia thing here!
T\o/
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haah our dealers keep our motorcycle addiction alive by feeding us with bike parts :-)
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ive ordered the collar yesterday. and ill order the seal some other time
collar was $8.67
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Buy the 500 parts...
If for some strange reason they don't work.. I'll make you a 250 sleeve..
ok i will but i got to wait till payday next friday :( and i am kind of embarrassed to call the dealer when i was there yesterday getting parts .seems like im there everyday :| but only for nuts and bolts
All my dealers know me by name.. And see me sometimes 2x a day..
my dealer knows me by name when i call , i say hi, they say hey mike!
I talk to myself all the time :-o
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i think 60ish of the 200ish names in my phone are bike related, shudda taken up basket weaving.....
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install new o-ring, collar, sprocket. Then, place a thin shim between the sprocket and retainer clip. this keeps pressure on the o-ring. We always used sea-doo steering shims (they come in different thicknesses and fit around the shaft perfect).This always worked for me,you might try it if you can find something that will work.
I had the same problem with my 125. I went to replace the seal thinking that was the problem, but I noticed it was leaking from the o-ring. I replaced the o-ring but still had the problem. It would not stop leaking and the chain would collect the leaking oil and throw it all over the place.
It needs pressure against the o-ring to create a seal. My sprocket wore down a little around the circlip reducing its thickness, causing a little play on the shaft.
My solution: I flattened a washer with a hammer and anvil then drilled the center to the size I needed, and it stopped the leak.
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my sprocket has no play in it. i think its just the collar. ill see what happens
and BTW i am using a sunstar 12t sprocket
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btw, hows your top speed with the 12 tooth... just got my 15 in the mail today :-D
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install new o-ring, collar, sprocket. Then, place a thin shim between the sprocket and retainer clip. this keeps pressure on the o-ring. We always used sea-doo steering shims (they come in different thicknesses and fit around the shaft perfect).This always worked for me,you might try it if you can find something that will work.
I had the same problem with my 125. I went to replace the seal thinking that was the problem, but I noticed it was leaking from the o-ring. I replaced the o-ring but still had the problem. It would not stop leaking and the chain would collect the leaking oil and throw it all over the place.
It needs pressure against the o-ring to create a seal. My sprocket wore down a little around the circlip reducing its thickness, causing a little play on the shaft.
My solution: I flattened a washer with a hammer and anvil then drilled the center to the size I needed, and it stopped the leak.
Well mustang, I guess at least me and you have all of our oil inside the crankcase. :-D
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btw, hows your top speed with the 12 tooth... just got my 15 in the mail today :-D
doesnt really have any top speed. just bottom to mid
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wow,, i havent been able to find the time to do this thing until now.
ok so the kx500 sprocket collar will not fit :cry:
but the dimensions are SO close i mean very close.
it is 2mm wider and 1mm taller when you lay it down flat
is anyone here an experienced machinist that can cut this for me?
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sanding block or a belt sander? done carefully of course, if you use sander.fingers don't grow back.K.
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never thought of that
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Do you mean its 2mm bigger in the OD? and 1mm longer in Length?
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Do you mean its 2mm bigger in the OD? and 1mm longer in Length?
yes and yes
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I thought you meant too thick.careful marking and use of a dremel or other rotary tool, (practice on scrap if you aren't too familliar with one) should be able to sort this.mark the area you need removing on the face and slowly remove it, and after this is removed smooth the faces with wet and dry.hth, K.