Honda CB750 Sandcast

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Messages - ashimotok0

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16
Gauges - Levers and Cables / Tachometer gear removal.
« on: July 13, 2018, 02:49:33 pm »
Anyone know how the steel gear on the main shaft of the Tachometer (i.e. shaft which which rotates the circular magnet) can be removed from the shaft. Is it a press fit  or is it secured by another method.

17
General Discussion / Re: No stamped "Made in Japan" ignition points covers
« on: June 25, 2018, 07:08:40 pm »
The man with the white coat and mustache on the 1969 Motorcycle Mechanics magazine cover and also on the cover of the 1969 Motorcycle Sport was Arthur Carter. He was Honda UK's Service Manager then. The holy grail for me would be a video clip from the BBC TV programme  from early 1969 called 'Wheelbase', which featured one of the two p.p bikes and had Lord Denbigh as a guest (He was of course the 1st owner of the gold bike). From my 'research' the bike was, I believe, ridden and presented on the programme by  Alf Briggs,  who ran Honda UK's  Service Dept in Nottingham UK  and the two p.p.carbs I have, I have since found came from Alf's estate, when he passed away in his 90's.

18
Lighting Systems and Chassis Electrical / Re: Strange Ignition Kill Switch Knob in CB750 Shop Manual
« on: June 25, 2018, 03:38:13 pm »
Yes I agree... To me it looks like the lever off a Honda fuel tap (Petcock ) black anodized or painted black and stuck on.

19
Lighting Systems and Chassis Electrical / Strange Ignition Kill Switch Knob in CB750 Shop Manual
« on: June 21, 2018, 03:10:21 am »
Has anyone ever noticed or commented on the strange 'Kill' switch knob in the CB750 Shop Manual? The model photographed must have been a a p.p. bike because I noticed it has a rigid brake pipe.

Cheers ... Ash


20
General Discussion / Re: Postal Charges to Countries Outside US
« on: May 07, 2018, 01:23:12 am »
Thanks Kerry, I refunded the guy because he was OK with me over not receiving the parts and I possibly chose the wrong service at the Post Office. The same parts I sold to guys in the US at the same time, I   shipped 'Tracked & Signed For' but this wasn't an option to Australia for some reason....It was 'either or' and I chose ''Signed For' instead of 'Tracked'  outside the UK. So lesson learned. It's not the money I lost as much the loss of really rare parts that bothers me.The parts were issued by Honda as a flat spot carburation fix for the CB450K0 Black Bomber in the late sixties and are virtually unobtainable apart from the stock that I have left. (They came from the same source as the pair of reported  p.p. CB750 carbs I got).

I don't know  if this is the case in other countries but  lots of our local Post Offices in the UK are closing and one of the reasons is that many people are paying for postage at checkout on eBay but still using the Post Offices as dropping off points.The Post Offices themselves get very little for doing this and miss out on the main sale of the postage . So now I always pay at the Post office but it's a bit of a pain compared with the eBay option. For example you have to obtain a paper receipt and manual type in the tracking reference into eBay and if you lose the bit of paper, it is much more difficult to make a claim, as the PO need a scan of it, in order to process your claim.

I  know this is not 'sandcast' (sorry Steve) related but if anyone on here has a CB450K0 I attach the quaint, typed instruction sheet issued by  Honda for the 450 carb upgrade kit. I donated the original typed copy  to David Silver for his museum's 'literature reading room'.

21
General Discussion / Re: Postal Charges to Countries Outside US
« on: May 05, 2018, 03:34:41 am »
I was just gong to PM you Kerry about posting to Australia from the UK.

I recently sent some extremely rare CB450K0 NOS carb upgrade  parts to Australia via Royal Mail 'Tracked in the UK and Signed for in Aus.'  It's over a month since I sent them and no sign of delivery (cost £9.90 for a 60 gramme parcel). The tracking just shows 'in transit' and I have had to refund the guy his £70 plus postage. Royal Mail made me go though a seemingly never ending online form to attempt to recover a max of £50 GBP but say I will have to wait up to 3-months for a response back.

What's your experience with UK Royal Mail from UK -> Aus. please ? How is  the post handled at your end ... I assume Auspost takes over? Reluctantly, I have deleted Australia off my eBay listings as it's way too much hassle and expense if anything goes missing. Or can you suggest a more reliable delivery company for small items from UK to Aus ?

22
Links to Auctions and Classifieds / Re: PP Brighton Bike to be auctioned in UK..On Facebook spotted by James Harrington
« on: March 06, 2018, 02:53:31 am »
I just scanned this for someone:-

https://www.dropbox.com/s/sv4gfc8t9a4uk1x/750_MclSport.pdf?dl=0

23
Links to Auctions and Classifieds / Re: PP Brighton Bike to be auctioned in UK..On Facebook spotted by James Harrington
« on: March 05, 2018, 04:05:04 am »
Quote from: kp on March 04, 2018, 07:47:23 pm
Quote from: ashimotok0 on March 04, 2018, 05:34:45 pm
Could it be that the green pp bike was kept by Honda UK and subsequently dismantled Kerry? Just a hunch but the carb person definitely had a sandcast bottom end at one time, which had been in the UK since the early days and almost certainly from the same source and time-frame as the carbs. Unlikely that many  sandcast engines would be around in the UK over 45+ years ago. I will try to investigate more.
Interesting Ash. I did hear years ago that it is owned by someone in Europe but nothing supports that as no evidence . You may be on t something. Those carbs are a real turn up and even if they are found to be 350 raciing two pair of those would be as correct as one could get I believe. Yes, please keep the good detective work up. Between you and Chris the club we have is enriched by both of you. Non dementors 😊

Kind words .. I often feel a bit of an imposter on here though Steve .. as I am only a humble, albeit very early,  diecast owner. The whole thing fascinates me and you guys have such detailed knowledge that coming on this site you get drawn into the discussion as if mesmerised by the eyes of Kaa the snake in the Jungle Book (original version of course).  :)

24
Links to Auctions and Classifieds / Re: PP Brighton Bike to be auctioned in UK..On Facebook spotted by James Harrington
« on: March 04, 2018, 05:34:45 pm »
Quote from: kp on March 04, 2018, 05:17:38 pm
I suspect early frame number bikes will be more sought after given there are no current PP bikes for sale I would like to know more about the green PP

Could it be that the green pp bike was kept by Honda UK and subsequently dismantled Kerry? Just a hunch but the carb person definitely had a sandcast bottom end at one time, which had been in the UK since the early days and almost certainly from the same source and time-frame as the carbs. Unlikely that many  sandcast engines would be around in the UK over 45+ years ago. I will try to investigate more.

25
Links to Auctions and Classifieds / Re: PP Brighton Bike to be auctioned in UK..On Facebook spotted by James Harrington
« on: March 04, 2018, 10:10:37 am »
£140k Wow !

26
Links to Auctions and Classifieds / Re: PP Brighton Bike to be auctioned in UK..On Facebook spotted by James Harrington
« on: March 02, 2018, 04:53:31 pm »
I still can't believe we only got such a fleeting glance of the 750 in this. I think the one raised up on the turntable was the green pp

https://www.youtube.com/watch?v=EszC7DBt-XU

Mind you the CB450K0 was described as  a 'BSA Golden 500'  in this clip ! 

https://www.youtube.com/watch?v=pqX-u6tyEpI

27
General Discussion / Re: Strange carbs
« on: February 26, 2018, 07:23:42 pm »
Quote from: Nap Bollemeijer on February 26, 2018, 05:28:57 pm
Quote from: ashimotok0 on February 26, 2018, 04:32:18 am
Quote from: Nap Bollemeijer on February 26, 2018, 04:17:35 am
What a story and great parts!

Nap .. I got a box with strange cam chain tensioners in it too. Both rollers, solid metal (not toothed) but a distinct 'small batch' manufactured look about them ..maybe development parts. They look like CB350 racer but the rollers are the same size as a 750, I believe.

If you want me to take a look at it, you can email me pictures of the mystery parts.
Whether they are original Honda parts or privately made racing parts which fit Honda bikes I'm sure they can be used on more models.

Here you go Nap. Possibly CYB350 development parts. (The bagged part is one of the CYB350 valves I got)


28
General Discussion / Re: Strange carbs
« on: February 26, 2018, 04:32:18 am »
Quote from: Nap Bollemeijer on February 26, 2018, 04:17:35 am
What a story and great parts!

Nap .. I got a box with strange cam chain tensioners in it too. Both rollers, solid metal (not toothed) but a distinct 'small batch' manufactured look about them ..maybe development parts. They look like CB350 racer but the rollers are the same size as a 750, I believe.

29
General Discussion / Strange carbs
« on: February 25, 2018, 04:20:24 pm »
I recently acquired these two carbs. I have no idea which model bike  they came off but one float is hand marked CB750 and their origin is possibly Honda UK's development dept. I know that the CB77 Super Hawk also used 26mm carbs but I can't think of another 60's Honda that used 26mm as my CB450K0 has vacuum carbs. The bodies/bowls have been lacquered silver. They were sold to me as 'came off an early CB750'


30
Links to Auctions and Classifieds / Re: PP Brighton Bike to be auctioned in UK..On Facebook spotted by James Harrington
« on: February 10, 2018, 07:32:02 am »
More pics posted on H&H's site


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