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Old 08-02-2006, 09:40 AM   #1
AndyB OP
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02 640A Leakin' Oil

Hey guys the beast has sprung a leak damnit. Leaking where the shift shaft comes thru the Kickstart shaft. looking in the manuel, appears #6,O ring(s) ist quanity as 3 of them, is probably the culprit. puuled the shifter off and the only thing i find is the V seal. So i assume i gotta pull the shaft out from the other side? how big a pain in the ass is this gonna be? gotta pull the whole clutch basket too i assume to get to the rascal?...Anything i should be weary of while disasymbly/reasymbly???
any words o wisdom Mr. Creeper?
thanks in advance......,AndyB

oh by the way, Vintage Days at Mid O. was great!
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Old 08-02-2006, 05:24 PM   #2
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Some Guidence Please....Creeper?

well i was hoping for a little info here. the leak ain't bad but in a cpl rides has got worse. went from just a little pearl on bottom side of kicker. but now the more i shift the more it leaks. "Duh"... was hoping to hear from someone who's had to make this repair or someone who gets into these motors. the manuel unclear just as to where these O rings are located. like i said earlier, nothing behind shifter except the V seal????? thanks again, A
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Old 08-02-2006, 06:12 PM   #3
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You may be in deep doo doo Andy.... but you get one "last chance" to find out.

The "V-seal" is the only seal that is easily accessible from outside the engine... everything else (except maybe the kicker shaft seal) requires splitting the cases.
There is a seal... #9 in the diagram that is pressed into the end of the kicker shaft that you may be able to get out... but if you scar up one or both of the shafts doing it, you are screw'd for sure.

#9 54632090000 SEAL RING DH/GR 12x19x3



This is your last chance.

Pull the shifter off and pull the V-seal off.
Now, spray the #9 seal preferably with silicone spray or some other light oil that is kind to rubber parts.
The idea here is to clean, flush out and clear the area around the kicker shaft seal, shafts and face of the kicker.
Spray from the seal area out, to flush out the seal lip and to flush away grit from the seal.

All clean and lubed up?
You can see the greenish blue colored shift shaft seal? Good.
The seal looks to be in good shape? More gooder yet still.

Now... either buy a new V-seal or clean the old one, again with a rubber friendly spray product. I like silicone because it tends to restore rubber seals that are a bit dry from age.

Now that everything is clean, grit free and well lubed, put it all back together and go for a ride.

Did it stop leaking? Yes?
Is it still leaking? Yes? You are screwed and will have to split the cases.

Told ya'... last chance.

Best 'O luck,
C
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Old 08-02-2006, 09:43 PM   #4
meat popsicle
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Quote:
Originally Posted by creeper
...
This is your last chance.
...


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Old 08-02-2006, 09:48 PM   #5
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ditto what popsicle said...
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Old 09-04-2006, 09:10 PM   #6
meat popsicle
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Well???

I have a vested interest in your experiences... I have not torn into it. I have just cleaned up the area to watch for more leaking. I had forgotten about this thread, and Creeper brought it back to my attention; thanks mang

So in my preliminary look at the diagram and parts list I noticed the following two seals:


#17
Item #: 0760223270
SHAFT SEAL RING 22X32X7 BSL
Quanity On Diagram: 1
Cost Each: $7.25

#7
Item #: 58038022000
CU-SEAL RING DIN7603-12X18X1,5
Quanity On Diagram: 1
Cost Each: $1.50

I am guessing Creeper called #17 the "kicker shaft seal", but I will have to look again at the parts list to find the V seal, et al. Not sure of the importance of #7. I'd like to know what things are before I start in there.
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Old 09-08-2006, 04:43 PM   #7
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Oh joy! I think I have this issue now too.
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Old 09-08-2006, 04:49 PM   #8
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Quote:
Originally Posted by BlitzBike
Oh joy! I think I have this issue now too.
It's all in your head.



Mine dribbled a bit. Cleaning the V-seal and all the junk off the shift shaft seal put an end to it.

I think... you'd have to have fallen hard on the shifter, or have a old or high mile bike to have that shift shaft (9) seal fail.
Or figure out a way to pack a bunch of gritty muck into it.
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Old 09-08-2006, 10:56 PM   #9
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Quote:
Originally Posted by motowest
ditto what popsicle said...
Same here. I looked a the pic first (cause I'm simple ) and saw "THIS IS YOUR LAST CHANCE ".



i thought Creeper had gone postal at Andy


But thankfully he hasn't




But I suppose the day isn't over yet !
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Old 09-08-2006, 11:01 PM   #10
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Quote:
Originally Posted by rjf
Same here. I looked a the pic first (cause I'm simple ) and saw "THIS IS YOUR LAST CHANCE ".



i thought Creeper had gone postal at Andy


But thankfully he hasn't




But I suppose the day isn't over yet !
We haven't heard from AndyB since my first post in this thread... hope I didn't scare him, it wasn't my intention.

What I meant was it was his last and only chance before splitting the cases.
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Old 09-08-2006, 11:09 PM   #11
meat popsicle
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Quote:
Originally Posted by creeper
We haven't heard from AndyB since my first post in this thread... hope I didn't scare him, it wasn't my intention.

What I meant was it was his last and only chance before splitting the cases.
The KOD in retirement? Spanish Riveria? :KOD
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Old 09-08-2006, 11:10 PM   #12
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Quote:
Originally Posted by creeper
We haven't heard from AndyB since my first post in this thread... hope I didn't scare him, it wasn't my intention. Well you did mention "split the cases"


What I meant was it was his last and only chance before splitting the cases.
Yeah as soon as I read the post I knew that, it's just the first words I saw were "this is your last chance".

I don't think the post scared him off.





Your avatar on the other hand may have


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Old 09-09-2006, 01:23 PM   #13
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Which part is the so called "V-seal"?
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Old 09-09-2006, 02:00 PM   #14
AndyB OP
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I'm Not Scaaaaaarrre-d!

hey guys just gettin back on here (uh... sum trying circumstances have averted my attention from a a leaky bike, So i Apologise for my absence in all this) and Wow! alot of interested folks and concern here. ...well, stayed tuned i have sum Q-uestions ? that'll be addressed later (soon).... going for a ride tomorrow, and will be in touch.

thanks for the interests though, 'cause if i gotta split the cases (damnit!) i'm gonna need sum support.., AndyB
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Old 09-09-2006, 02:25 PM   #15
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Quote:
Originally Posted by BlitzBike
Which part is the so called "V-seal"?
It's the odd shaped "seal", #17 between the shifter and the kicker. It' there to keep schmutz out of the "real" seal... #9.
If a bit of schmutz gets thru and into the conventional #9 seal... that's when you spring a leak.
You may be able to clean it out and stop (or reduce) the leak... or it may be too far gone to do any good.

With a dedicated tool, you might be able to get the #9 seal out of the kicker shaft without damaging either one of the shafts. It's something I've been thinking about since I first posted the infamous "last chance" line.

I'm working on a tool shape that one could grind or file into a small, high quality screwdriver to turn it into a seal puller; that would be what I'd try to do if mine was leaking like a sieve... at least before I split the cases.
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