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oil leak? whats it called?

  • Thread starter Thread starter GSmadness
  • Start date Start date
G

GSmadness

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alright my 650 has a oil leak on the back side of the motor. Under the carbs there is something bolted to the jugs. Does anyone know what that is called? Or what its for? Thanks in advance
~Scott
 
chef1366 said:
Cam chain tensioner.
Click to expand...

Right (of course). The cam chain tensioner puts tension on the cam chain so that it doesn't come off the cam sprockets etc. It adjusts automatically. You can pull it off and replace the gasket if its leaking.
 
mark said:
Right (of course). The cam chain tensioner puts tension on the cam chain so that it doesn't come off the cam sprockets etc. It adjusts automatically. You can pull it off and replace the gasket if its leaking.
Click to expand...

$3 gasket. But usually you have to remove the carbs to get to it.
 
cool thanks everyone. Yeah the carbs are off the bike, thats how i noticed it was leaking. well thanks again.
~Scott
 
Steve said:
Might be just the gasket, might also be the o-rings in the tensioner itself.

Brian Wringer has an excellent pictorial on how to repair it. \\:D/


.
Click to expand...

Steve, thanks for the link. I've been waiting for that to pop up again (lazy) :oops: so that I could print it off and add it to the stack of "better than factory" illustrations and explinations in the clymers book.
 
The small seal is the part that invariably leaks the most, but the small o-ring is also usually leaking a bit. You have to replace the large o-ring when you disassemble the tensioner, but it's normally not leaking.

Every GS needs this at some point!
 
Alright thanks again, also great write-up. That is going to come in handy when i get all the seals and such.
~Scott
 
Also make sure it's not coming from the front of the engine and running in between the cylinders to the rear.
 
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