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Genuine 377 exhaust system

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AshimotoK0:

--- Quote from: orcadian on December 23, 2017, 07:16:01 PM ---Hi Ash,
Thanks for the info and the pic clearly showing the locking sleeve nut.  I suppose the arrangement was to allow the silencer to move during fitting but not able to fall off the headers if slackened too much.  Mine has Sankei 2002 stamped underneath but I’ve been thinking I bought it before that, do you know if the 2002 is actually the manuf. date or just an ident number?  If my memory is right I think the whole system was around £150
Incidentally you mentioned D L Barr in a previous post - old Don Barr did lots of jobs for me back in the day such as MK2 Jag seats, vinyl roofs and bike seats, I was really pleased that they are still trading.

Ian

--- End quote ---

Mine is  also stamped 2002 Ian and was deffo bought in the late 1980's .Yes I went to school with Patrick, Don's son and the (slightly) younger brother also works there. He put a few stitches in a Bomber seat cover for me last week & wouldn't take any payment for it. a right old fashioned setup still. Another guy in Beverley who is restoring a CB72 told me that there is an immaculate one on display  in 5-ways that belonged to the founder, who sadly was killed in an accident on the IOM. Need to go in there and check it out. The last time that I was in there was when it was still owned by Ken Blakey !

My dodgy mate Roger went to the funeral of  Nev Mason the founder of NevAl motorcycles a month or so back (importer of Russian bikes ...had bike shop on De-Grey St. then on Beverley Road) ..Pat and Mike Ritchie were there ... Temple Supplies.

TheOlderGentleman:
Every genuine system I've seen (so quite a lot) has this sort of locking clamp nut, yes.

Orcade-Ian:
Thanks T.O.G.
That was the nugget of Info I was seeking - it seemed strange that Honda (via Sankei) should use such a strange locking arrangement making it difficult to remove the silencer from the headers.  I realise that a nyloc nut is unsuitable but there are many other types of locking device suitable for high temperatures.  BTW Ash, my Wife remembers the Suffolk trip to DS when I bought the system (and a car full of other NOS 400/4 stuff) and informs me it was 1994!  I took the 2002 stamp underneath incorrectly to be the date.

All the best to all for the New Year - unfortunately the year after that, I will be on 3 year driving licences - must get some serious miles in from now on.

Ian

TheOlderGentleman:
When the stub from the headers sort of welds itself to the silencer, it can be an utter bitch to remove.  I even took one to an engineering works and they had a go, and said they couldn't shift it without actually destroying the joint.

AshimotoK0:
Just removed a downpipe from a CB250G5 silencer (1976 bike) and it had exactly the same collar.

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