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Project CB350F
andy120t:
Wow, that's so clean and tidy. Great work!
One question - are the rubbery things on the exhaust springs designed to keep the springs clean or stop them from rattling .. or something else,? I have a similar thing on my zx6r side stand and just assumed it was to keep muck out of the spring, and as there is only one it's probably not an anti- rattle thingy.
magpie114:
I've been thinking about this too! I used to think it was to keep them clean too but very often they only cover a small portion of the spring. To be honest I don't know either but I can only think its to stop them from rattling and resonating as air passes thro/over them?
magpie114:
Made good progress these last few days. Bled the front brake, first time I’ve used silicone brake fluid and the process took a little longer than I expected. To start it off I had to connect a syringe to the caliper bleed nipple and draw a vacuum. The brake feels a little spongy and needs to be better, I’ll see if I can improve the feel next week.
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I’ve temporarily fitted the old side panel emblems which I repainted. They aren’t in great condition and they’re not the correct colour but they will do for now. I contacted BadgeReplicas Australia to see if they had the correct emblems for the glory blue black scheme. They replied quickly that although they didn’t they would do some in that correct colour, available in 6 to 8 weeks.
The side panels are secured by a chrome plated pin onto which two guides and a spring are secured by a spring pin which is a discontinued item. I couldn’t find any correct size spring pins online other than in China so I tried a local ironmonger shop which is something of an Aladdins cave. They have a very large tool section together with plumbing, electricals, household stuff etc. I asked the assistant in the tool section whether they had any spring pins and explained they were similar to roll pins. He said they had a variety and led me thro to the kitchen department to some rolling pins Not the first time my Yorkshire accent has confused the Scottish locals :). Anyway I the correct size pins came from China fairly quickly.
The main step forward is that I’ve briefly had it running. It starts easily but initially it would rev too high after starting and I would have to cut the ignition very quickly. This turned out to be due to the fast idle being engaged although I thought I’d set it correctly on the bench. After adjusting the fast idle it ticks over nicely at 1400rpm. Blipped the throttle a couple of times and it seems to hang a little so will have to fine tune the air screws, but it doesn’t seem too far off. I don’t have any vacuum gauges so that’s something I’ll have to look at in the near future.
When initially reassembling the carbs I fitted the springs and air screws from the Keyster kit, thought better of it and put the original screws back but left the Keyster springs in. Today while checking the carbs over I took the airscrews and springs out and noticed some very fine bright metallic particles on my fingers. These were coming off the plating on the Keyster springs so I replaced them with the originals.
A few more things to check over and complete but should be ready for a trial run midweek.
McCabe-Thiele (Ted):
That's looking great - I like the Delkevic exhaust system presumably SS as well.
FWIW you might find the spongy front brake improves with use or even overnight whilst standing - on my 400 & 500 as I used repacement DS master cylinders the lever has amost zero free travel.
I have also used Silicone fluid in both systems using a syringe to push fluid up from the caliper until it appeared in the reservoir - nipped up then filled from the top. I have to admit it took some pushing on my 300 cc syringe.
magpie114:
--- Quote from: McCabe-Thiele (Ted) on July 26, 2024, 10:22:20 PM ---
FWIW you might find the spongy front brake improves with use or even overnight whilst standing - on my 400 & 500 as I used repacement DS master cylinders the lever has amost zero free travel.
--- End quote ---
I hope so - I get the impression that the sponginess is a characteristic of silicone fluid
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