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A big shiny medal to the bloke who invented....
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_Left handed_ twist drills. Oh yes. The man is a saviour of broken exhaust
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But a cup of cold sick to the man who invented Yamaha exhaust flange
gaskets.
How the fsck was I to know that these were one shot things, and would
never seal with re-use, particularly not against a new downpipe.
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Pretty much like Kawasaki exhaust seals then. I tried putting my new
exhaust system on with the old seals and some assembly paste but gave
up and used new seals in the end. Thanks again to Christofire for
getting those for me.
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Took two goes with 2 different exhausts to realise that.
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studs.
I'm doing a bit of work on a trike for an aquaintance which included an M6
stud he'd snapped off below the face of the threaded boss on the exhaust
port on cyl no.2. Probably the most awkward to get at hole on the whole
engine. A jig I made about 10 years ago clamped to the frame and aligned
correctly using the good thread as a reference, then in with a stiff centre
drill and then a left handed twist drill. Got to within about 2mm of the
bottom of the broken stud without breaking into the threads and out she
came. Luverly!. Quick run through with a tap on all of the other stud hole
to clean them out, and now it's all ready for the new studs.
Saved me an engine out/head-off job and a trip to the spark eroders.
I *love* having the correct tools to hand.
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Tell the man to hurry up and deliver my new gaskets. Grr....
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