SOHC.co.uk Forums > CB350/400

Re-liner, Rebore

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stevush:
Yes, the M8 bolt seems to be just turning the damper rod, maybe bunging something down to hold the damper as Ash suggested is the way forward. Yes, there's a circlip and I've removed it already. I suspect threadlock is keeping the bolt tight. Its not mashed and it 'cracked' OK and was winding out fine but is stuck firm. I'll revisit later. No recommended reconditioners for the barrels ?

Thanks
Steve

AshimotoK0:
If that doiesnt work, you could try the 'drilling out' Norniron method and possibly nipping up the screw again may prevent the drilling from trying to turn the damper rod.

Not so sure on the cylinders , there are people a lot more qualified on here to comment than me . People say good  things about SEP in Kegworth for rebores. You could try secondhand . Trigger & myself use jap2wheelz (Frank)  in Germany.. good honest bloke who speaks perfect English or dare I say it our old buddy 'bikepusher'. Also try calling DK and ask for Pete in spares to see if he has any secondhand and if so do a bit of haggling. ( beware of imports left standing though as bores could be corroded  but not worn)

Not saying these are any good but worth asking him for more details...http://www.ebay.de/itm/CB400-Four-Zylinder-Kolben-STD-Mass-cylinder-piston-assy-CB400-4-Supersport-/161652216772

Ash

totty:
I've used Cleasby in Durham three times for work on car engines including one "recondition", most recently 3 years ago just for a head skim. Since I don't know if they do much work on air cooled Hondas I would ask to speak to someone first - show then the bores, check what piston sizes you or they can get hold of and tell them the clearance and tolerances that Honda specify.

AshimotoK0:
Completely by accident I found this on the damper spinning in the forks:-

http://forums.sohc4.net/index.php?topic=123516.0

stevush:
Many thanks, pleased it isn't just me having problems!!!
Will try the broomstick method I think

Thanks Guys
Steve

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