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I was washing my bike yesterday and noticed a little bit of blow-by (black carbon combustion chamber residue) had come out between the head and cylinder on the back of the motor. I got to inspecting closer and discovered that the head nut at the back of the head just above this blow-by was loose.

Should I just re-torque it back down or should I take it all apart, inspect and start over with all new gaskets? Anything else I need to look at?

I would try re-torqueing all the head bolts first.

Yup!

Tighten 'er up, go ride

Wrench it!

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...carefully...to spec!

BREAK them loose first. 'Re-torquing' (or trying to) to spec a fastener that's 'stuck' is a waste of time.

Thanks for the tips. I learn something every time I'm on here.

Re: 'Anything else I need to look at?'







Remember to tighten in a cris-cross pattern.

That is the same wrench I use, it is the only way to torque the cylinder nuts.

I just take the tank off

Tank off or on..you're not getting to the cylinder nuts without some kind of adapter.

Of course...the subject WAS head nuts. But hey! He asked if there was something else he needed (rough translation).


What's the update on this? Get rid of the weeping/seeping/blowing-bying?