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Tach Cable Oil Leak

  • Thread starter Thread starter phaserburn
  • Start date Start date
P

phaserburn

Guest
Hey guys,

I have a 1979 GS1000 EN model.

I just checked my valves and sealed up my cam cover with a new gasket. Once the bike is started, I noticed an oil leak. Its dripping down the tach cable from where it connects to the engine, and is tightened all the way. Is this a serious problem? Can I remove the cable and put some teflon / thead tape on the tach cable and reinstall? Is there even supposed to be oil there in the first place?

Also,

How much smoke is supposed to be coming out of the cam cover breather unit at the very top? It seems to be puffing away.
 
There is a little oil seal and an O-ring in there, easy to replace...
Smoke from the breather means the engine is not really new. Blowby past the rings?
How much, and does it run well?
 
bike runs great and strong. It has about 33k on it and shows no sign of giving up. Compression is within spec and no sound of slapping. Valves are checked as well. Smoke really isnt bad, I just notice it every now and then. Its a white / steam looking smoke, not black or oily.
 
Then run it with a smile.
There is supposed to be a hose from the breather to the airbox, is it missing?
 
tkent02 said:
There is a little oil seal and an O-ring in there, easy to replace...
Click to expand...

Replace as mentioned here. Also check your tach cable drive gear that hooks up to the cam chaft where it makes contact with the oil seal. That can wear quite a bit where it makes contact with the seal. If its worn down, replace it.
 
tkent02 said:
Then run it with a smile.
There is supposed to be a hose from the breather to the airbox, is it missing?
Click to expand...

I am running pod filters on mine so I have a 3/8" fuel line running from the top down to the foot peg with an individual air filter on the line.

bwringer: thanks for the info and links, I will have a look at it tomorrow!
 
Last edited:
tcs_parts.jpg


This is very useful, but the area that is highlighted is actually the point at which the gear shoulders up against the bushing. The seal rides rides on the next step to the right, where there is clearly a wear groove. I had to replace mine.
 
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