SOHC.co.uk Forums > CB350/400

stripped thread on cylinder head

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--- Quote from: billdn on August 13, 2017, 07:24:46 PM ---Yes it's 6mm. One of middle four on the head that has 2 either side of the cam chain. It's the rear right , from front of engine. I've only got a bog standard hand drill, will I get hole straight enough with that? I suppose original hole will act as guide.

--- End quote ---

Can be done with a hand drill with a good steady hand. If you live near me I could do it in 10 minutes.
You will need a kit like this >>http://www.ebay.co.uk/itm/M6-x-1-0-V-Coil-Fits-Helicoil-Wire-Thread-Insert-Repair-Kit-/122614442826?epid=1424642313&hash=item1c8c63eb4a:g:oSIAAMXQ9MVRiSHc

But, you will still need a tap wrench.

mike the bike:
The helicoil kit I got from fleabay comes with an M7 x 1 tap, ab0nd the correct size drill bit,  the insert tool and a punch to knock the tang off.

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