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Messages - royhall
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31
« on: March 06, 2024, 03:10:44 PM »
Well, after 27months of one problem after another, plus a budget that I will never see again it's finished. It would have been way cheaper just to buy a restored bike, but where's the fun in that. I spent the afternoon going through every setting to try and dial out a tiny misfire and it's done the trick. The first ride out was just around the block due to a clunking noise when the engine was on load. That was traced to a simple interface twix chain and chain guard. An easy fix with an M8 half nut as a spacer and longer bolt to move it away from the chain. Then the second test run was faultless although I only did 2.5 miles. It was already at full temp from the carb balancing so it was a true indication. The engine ran like a well oiled Singer sewing machine. Also pleased to report no fuel or oil leaks. I am really pleased how it turned out when I look back at the POS I started with. Thanks to everyone who helped along the way, I truly couldn't have done it without you all. And just in time for spring as well.
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32
« on: March 05, 2024, 09:04:53 AM »
I am going to look into this later in more depth. I do know that the K0 carbs are quite different from the K1 mainly around the throttle spring area, plus a few of the K1 brassware items don't fit the K0. The carb body castings are also quite different. But for now, here's that table. You can see from this that the 14H and 14L are different to the rest.
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33
« on: March 05, 2024, 06:26:16 AM »
34
« on: March 04, 2024, 06:45:24 PM »
Forgot to say, the kits I have ordered are made in Taiwan by a company called Daminedin and they have really good reviews. The dodgy items that people are struggling with are the Keyster kits. I also wonder if people are assuming that all 450 carbs are the same, there are at least 4 different versions of these carbs (not including the 500T version) and only a kit made specifically for that carb type will fit correctly. The ones I have ordered are specific for 14H and 14L only. I'm not surprised people are having problems with 450 carb kits. I have a chart somewhere detailing a lot of the changes, I will look for it tomorrow and post it here.
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35
« on: March 04, 2024, 04:34:57 PM »
It will still happen if your battery is fully charged even on a lead acid type.
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36
« on: March 04, 2024, 02:01:49 PM »
Are you by any chance using a fully charged AGM battery. If you are, the charging probably won't cut in until the battery gets down to about 12.4 volts. Makes it look like the charging isn't working. There's a way of testing that explained in my CB750K5 restoration thread. Spent a whole day on mine pulling everything apart just to find there was nothing wrong in the first place.
37
« on: March 04, 2024, 07:45:45 AM »
Hi Mo. Did you ever get the electronic ignition working? The hanging idle is often caused by worn out springs in the ignition advancer. Very common problem. Also check the clutch cable isn't fouling the throttle as it's close to it at the carb end. Did you fit the springs in the vacuum chamber?
38
« on: March 03, 2024, 09:24:57 PM »
To be honest these carbs are so easy to get on and off I think I will give the kits a chance first. I can always use the other parts if things don't go so well. I will be fitting the springs on the pistons though.
Ash, don't know if it matters but those service parts are for 14C carbs. I am assuming the later carbs already came with the modified parts but I have no way of checking that. I have options here, I will try the kits first and if that's problematic I will fit the genuine bits, then I could clean and try the bits that are in the carbs now. The last option is not a good one as I have no idea if they have been messed with in the past.
I still haven't read anywhere about the vacuum springs, looks like a mod that not many do.
39
« on: March 03, 2024, 07:45:24 PM »
Weren't those needles specific for the K0 carbs Ash. The K0 carbs are very different to the K1 to K4 carbs. The 4into1 kits appear to have good reviews that's why I chose them over the DSS kits.
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40
« on: March 03, 2024, 05:06:47 PM »
Like Ted said, I just had a look back to page 1 pictures. Sorry Mick but I'm going to have to get you certified under the Mental Health Act. Jeez that was rough with a capital R. Well done mate.
41
« on: March 03, 2024, 04:59:55 PM »
The replacement 450 carbs have arrived from Germany and don't look in too bad a condition. They are very dirty but should clean up okay. I will give them a good manual cleaning first with a paint brush and cleaner, then a good soak in the ultrasonic should do the trick. Ash, did you find those replated parts that I could buy off you?
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The new carbs are 14H models originally off a 450K1. After a good bit of checking there are a fairly large number of different 450K carbs all with slightly differing internals (and externals). So I have ordered some service kits from 4into1 in the States that are made specifically for the 14H. Failing that I will have no idea if the parts I'm fitting are correct. I am done with experimenting with these carbs and just want a good standard set. I was a bit worried about the right hand carb as the H next to the 14 has been removed with some sort of gouge. But after much checking of 14H pictures on the internet, I am happy that it is correct. There are also other things that indicate they are off the same bike as both carb vacuum bowls have the same rusty cap head screws. Will see how they come up.
42
« on: March 01, 2024, 08:52:47 PM »
Nice one Mick, good luck with the ride.
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43
« on: February 25, 2024, 09:20:19 AM »
Hi. Good luck with the build. I may be interested in any CB450 bits you have.
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44
« on: February 19, 2024, 04:04:33 PM »
Thanks Ash that would be awesome.
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45
« on: February 19, 2024, 07:35:18 AM »
I have got a set of 450 carbs on the way (not sure which model will see when they arrive) so I am going to strip all the new bits back out of the 500 units to reuse. I will order two genuine seal kits from DSS at some point. Also got an ultrasonic bath coming so I can save having to pay people to do them. Cheeky to ask, but are you still doing your own zinc plating as I could do with some small carb bits doing.
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