Author Topic: Gear lever shaft oil leak - best solution?  (Read 501 times)

Offline t20racerman

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Gear lever shaft oil leak - best solution?
« on: 08.09. 2017 22:00 »
Hi all
My A10 weeps a little oil from the gear lever shaft. Not a huge amount, but enough to make me want to fix it. Has anyone fitted a seal of any kind? I'm happy to find my own solution, but I'd love to hear of anyone's experiences in fixing this.

I've ordered a Nova 5 speed 'box, so would like to   look to fix this when I fit it. (I like making mods 😁)

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1961 A10 - somewhat modified :-)
1980 TZ350 - lunatic Classic Race machine
1967 T20 Suzuki - heavily modified Classic Racer
1967 T20 Suzuki - pretty standard road bike
2007 KTM 660 SMC - fast and furious supermoto
Triumph 675 Speed triple
Ossa 250 and yet another T20 racer in bits both being built up

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Online orabanda

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Re: Gear lever shaft oil leak - best solution?
« Reply #1 on: 09.09. 2017 03:04 »
You may have excessive clearance between the selector shaft and the bush.

It helps to fit a breather to the gearbox; this can stop leaks from the shaft bushes.

Richard
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Online JulianS

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Re: Gear lever shaft oil leak - best solution?
« Reply #2 on: 09.09. 2017 09:37 »
This one was machined to accept an O ring.
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Offline t20racerman

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Re: Gear lever shaft oil leak - best solution?
« Reply #3 on: 09.09. 2017 18:38 »
Some good ideas there - thanks. So breather, new bush and O ring it is! I'll report back when its all done  :-)
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1961 A10 - somewhat modified :-)
1980 TZ350 - lunatic Classic Race machine
1967 T20 Suzuki - heavily modified Classic Racer
1967 T20 Suzuki - pretty standard road bike
2007 KTM 660 SMC - fast and furious supermoto
Triumph 675 Speed triple
Ossa 250 and yet another T20 racer in bits both being built up

"If I had all the money back that I've spent on motorcycles... I'd spend it all on motorcycles!"

Offline duTch

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Re: Gear lever shaft oil leak - best solution?
« Reply #4 on: 23.07. 2018 23:51 »

 So, t20- how'd you get on with that ? I'm searching for the photo that (I'm sure) Orabanda posted for the location of his breather behind the Kick 'quadrant' (~thirdrant *conf*)...

 I went to a bike shop and bought the little breather thing a while ago (they had to order it in, but better than paying unnecessary postage), and unexpectedly have the cover off now so now dealing with it...

 
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Started building in about 1977/8 a on average '52 A10 -built from bits 'n pieces never resto intended -maybe 'personalised'
Have a '74 850T Moto Guzzi since '92-best thing I ever bought doesn't need a kickstart 'cos it bump starts sooooooooo(mostly) easy
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Offline kiwipom

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Re: Gear lever shaft oil leak - best solution?
« Reply #5 on: 24.07. 2018 03:07 »
This one was machined to accept an O ring.
Good idea and easily done, cheers
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Offline duTch

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Re: Gear lever shaft oil leak - best solution?
« Reply #6 on: 24.07. 2018 09:44 »

 
Quote
This one was machined to accept an O ring.

 I can't remember from the rebuild, but found that mine has been done also- maybe I did it back in the first build  *dunno*, seems to need a ??mm x??mm 'O' ring  *conf2* -I'll be back on that... *beer*
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Started building in about 1977/8 a on average '52 A10 -built from bits 'n pieces never resto intended -maybe 'personalised'
Have a '74 850T Moto Guzzi since '92-best thing I ever bought doesn't need a kickstart 'cos it bump starts sooooooooo(mostly) easy
Australia