Lots of bikes have cylinder heads that develop cracks at this point.
Triumphs were famous for it.
I too have run bikes for many miles and the crack gets no worse and does not impede the running.
As you have only started to worry about it since you have seen it......QED
RHS == rocking horse excrement
G80cs head crack
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G80cs head crack
This is the same thing the machine shop said to do. He said do the valve job, put it back together and ride it another twenty years.
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G80cs head crack
Ken, you know all about Rocking Horse S**t. Most of those were shipped to the US & I looked 10yrs before finding one for my Typhoon. Cheers, Don.
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G80cs head crack
No Don, my speciality is BS, as you well know
anyway, are not the seats cast in?
anyway, are not the seats cast in?