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Messages - taysidedragon
1
« on: Today at 11:59:25 AM »
If your brass bits are OEM Keihin, thoroughly clean all the brassware, jets, emulsion tubes etc by removing them, then re use. Fit all new Viton O rings (I stock the kits), re use the top gasket.
Carb cleaner is good but make sure you get it in all the hidden passages. Ideally, an ultrasonic cleaner is best (after removing all the internals) then you can get the entire carb body thoroughly clean. But, if all you have is carb cleaner, use that.
What Julie said is good advice, but don't mix up the parts from different carbs. Use a pot or tray for all the parts from each carb.
2
« on: February 26, 2026, 03:45:26 PM »
I was watching a How it's Made TV program the other night and oddly they referenced alloy distortion in it, it was 150c so that's confirmed. There was also a program on the SR71 Blackbird plane, it also mentioned that they couldn't make it out of alloy like the U2 again mentioning the distortion problem above 150c. They made it out of titanium instead.
At Mach 3 the airframe got very hot and titanium had to be used to withstand the high temperatures. Nearly every photo of the Blackbird in the hangar will have large drip trays under the aircraft because it used to leak fuel badly on the ground, possibly because of the expansion and contraction. Concorde only flew at Mach 2 and used to expand about 12 inches in length at that speed.
3
« on: February 23, 2026, 06:17:48 PM »
Why not make your own set? They are a simple tool to make.
4
« on: February 23, 2026, 06:16:04 PM »
These sohc bikes were produced right at the start of the first disc brakes fitted to production road bikes. As well as asbestos being removed from the brake pads, there have been huge improvements in the materials used as manufacturers tested and learnt how to improve braking performance.
I would say that modern pads of the right type for our discs are a big improvement over OE pads.
5
« on: February 22, 2026, 08:04:43 PM »
It’s a great skill to be able just to make that missing or knackered parts. I have thought about buying a small lathe but just can’t justify the cost or the space for it. Might have to sell a bike…😳 Nope that ain’t happening.😂
You've always got Ian. 👍
6
« on: February 21, 2026, 04:39:07 PM »
Are the Wemoto Teflon lined like the OE cables?
I bought Slinkyglide cables from them which are Teflon lined I believe. Never had a problem with them.
7
« on: February 21, 2026, 04:37:13 PM »
Welcome Roger. Good choice of bike. Enjoy the electric leg. 👍
8
« on: February 19, 2026, 12:57:26 PM »
I saw Pink Floyd in Cardiff, 1973 I think, just before Wish You Were Here was released. Absolutely brilliant! Saw Roger Waters at Earls Court as well (Pros and Cons of Hitchiking), Eric Clapton on guitar.
I've seen Aus Floyd about 5 times, they put on a fantastic show, will definitely go again. 👍
9
« on: February 16, 2026, 01:29:08 PM »
Wow! Makes my model making look very basic. 👏
10
« on: February 11, 2026, 06:03:52 PM »
Also, only get the rebore done by someone who understands Hondas tight tolerances. We've retired now but Bryan may be able to do it for you.
Other than Bryan, do you have any recommendations? Sorry for the stupid question, but would I just send someone the Cylinder head, or would they need more of the engine?
You just pack the barrels in a box and send in the post, Parcel Force costs about £12, 48 hour tracked. It was very, very rare for us to see customers, complete engines were delivered by couriers on pallets and heads or barrels came by and were returned by normal post.
That's brilliant, thank you. I've just spoken to D&M Engineering who work on Classic Hondas, so fit the bill regarding experience.
They will need the new pistons as well to measure the clearance accurately.
11
« on: February 09, 2026, 02:39:02 PM »
That head looks in a right state. You might be chasing a lost cause trying to clean that up.
An expert machinist may think differently but I think you may be better off trying to get a different head.
12
« on: February 02, 2026, 05:42:28 PM »
Nice work. Quite fiddly I imagine.
13
« on: January 30, 2026, 11:43:27 PM »
Would someone confirm for me the front forks are 33mm ? or have i lost the plot already
On the bike were 31mm presumably off a superdream
I ordered from ebay forks, top and bottom yolk all supposed to be for 1977 400/4
top yolk came 31mm - forks from same place 33mm ??
I just sent them back if they cant sell matching kit what's the quality like.
still waiting for bottom yolk hopefully 33mm and what i need if i am correct.
now looking for top yolk and forks again.
400Four are definitely 33mm.
14
« on: January 29, 2026, 03:30:17 PM »
Welcome to the sohc community Neil
I'm 77 now, it's pulling my bikes on the center stand that makes me feel old.
Oh Ted, that really is a problem shared!!.. Even with my 400, when I am going to put it on the centre stand in the garage, I place a short piece of wood in front of the rear wheel, then roll the bike onto this, then it is far easier to operate the stand. Means I can then walk back into the house without my hand stuffed down the front of my jeans putting everything back into place!!! PS 79 in a couple of months. Regards, Mike.
That's an image I didn't need! 😖
15
« on: January 28, 2026, 05:50:46 PM »
Try https://www.400fourbits.co.ukIf he doesn't have any at the moment he may have some on the way. Basic website but email him with the details of what you need and he'll give you a price. Send your stanchions to pitted forks (ABE) , they hard chrome them and grind back to size. Will also do the fork caps included in the price. Better than any aftermarket chrome, will last for donkey's years.
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