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Messages - Orcade-Ian
16
« on: April 12, 2024, 01:10:58 PM »
Looks like the basis for a good bike, especially now it's running on all four. Is that how it came in the pic or have you removed parts? Twin stay front guard and different tank from mine - looking forward to seeing your progress with it.
Ian
17
« on: April 12, 2024, 07:49:44 AM »
Welcome Mike,
I too have a 75/76 US import 550, shiny orange and bought from a well respected member on this very helpful forum. Used it a while last year and just rebuilt the front wheel with new rim, plated spokes and new tyre, so ready for the season! As the others say some pics of yours would be welcome and there will be plenty of help available.
Ian
18
« on: April 09, 2024, 03:04:05 PM »
Hi Ted,
I bought DID from DS, two options for the front OEM replacement and DID original (search me!) I went for the cheaper option and only the cheaper option was available for the rear. They are nowhere near the quality of the originals, they have a 'kick' at the weld - almost impossible to true out and the normally flat area between the outer edge and the centre spoke well is not flat but has a bit of a variable hump. I am being super critical as nothing is more than 1/2mm out and the tyre will take care of all that. The worst part is the side script.
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Totally unnecessary - what was wrong with the discreet logo of times gone by?
You might just be able to see the non flat bit but difficult to get the light right
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Surely Mother Honda couldn't have insisted that DID didn't make them as original?
BTW, the supposed original, (read much more expensive) front rim also has the side script!
Ian
19
« on: April 09, 2024, 11:13:17 AM »
By coincidence, I'm putting a new rim on the front of the orangutang (550F1) - one of those awful DID jobs from DS with that side script, so I have just plated the spokes and nipples. Checking the 550 spokes they are as near as damn it 4BA - but not right. BA is a threadform usually used on brass electrical fittings and had a metric based pitch - no idea why. So I have no idea what this thread is exactly - British Standard bottle top, lawn mower and chastity belt thread as my old metalwork teacher called any thread he couldn't identify.
Ian
I've put the horrid side script on the left of the bike on both wheels, so at least it's not as visible when on the side stand!
20
« on: April 08, 2024, 09:18:18 PM »
Johnny,
Spoke threads are often rolled not cut, which means they end up a slightly bigger diameter than the spoke shank. Cutting a thread into the shank would be weaker than a rolled thread. Not sure if Alex has a thread rolling rig but worth asking him.
Ian
21
« on: April 07, 2024, 04:58:29 PM »
You can do what the MOT man does - a long piece of straight, wide timber with a cut out for the stand, not forgetting the front wheel is narrower than the rear. You can add a strip to the edge which contacts the front wheel - half the difference between the front and rear tyre widths.
Ian
22
« on: April 07, 2024, 10:38:55 AM »
Just a dream for me! Apart from a 1500 mile round trip, 2 ferries and B&Bs, we will be away in Austria again - in the car though this time. It would have been great to have met up with some of you folk - another time perhaps? The last time we were in Leiston we were collecting 400/4 stuff from DS in the early days - a complete genuine 400/4 exhaust and silencer set me back £150! Then went to visit Mick Walker for some Ducati stuff and his brother Rick not far away in Lynn.
Ian
23
« on: April 05, 2024, 06:44:16 PM »
Hello again,
I think Colin Nicholson is still Chairman, so I'll PM you with his email address, I'm sure he can point you in the right direction for help. I'm not a 750 buff but as you can see, there are lots who are! Apologise to Colin for 'dropping him in it. I'm away in Germany and Austria so will miss the big show at the Clickimin in June.
Ian
24
« on: April 05, 2024, 06:02:00 PM »
It is a can of worms but you have many skilled folk who are into bikes in Shetland. Have you contacted anyone involved with the Shetland Club? People like Colin Nicholson, Geordie Jacobsen, and Joe Gray might point you in the right direction and although they might not be pure Honda folk, I'm sure they will know people who are.
Speaking personally I wouldn't send a completely unknown unit to an equally unknown 'expert'. Surely there are people who could guide you through the dismantling process and individual components can then be assessed for wear and possible replacement. Following that then this Forum will be able to make sensible suggestions. We also have quite a few 750 SOHC folk down here in Orkney who I know would offer advice and encouragement. You would also learn a lot more about your bike and be in a better place to keep it running in the future.
Ian
25
« on: April 02, 2024, 10:08:41 AM »
Hi Steve,
Mine's an F1 (USA import but can't imagine any difference.
Here's a few shots with a rule close by to see if that helps.
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Ian
26
« on: April 01, 2024, 12:49:45 PM »
Ah yes!
The Belstaff wax jacket (NO other makes were available). Usually had a plug spanner shaped mark in one pocket and the outline of the spare spark plug in the other, almost worn through after falling off many times. Put it on to feel the cold, removed for extra warmth.
Ian
27
« on: March 31, 2024, 01:02:40 PM »
That’s great Johnny, But Lovely shot of the big city (Wideford Hill?). Next thing will be an intercom - improves the experience no end - there is an off button too  Just watching the wildlife by Loch Fleet (Dornoch) on our way home - wheel at each corner unfortunately. Ian
28
« on: March 28, 2024, 06:48:54 PM »
Hello again,
I have successfully used PU windscreen fitting adhesive on a supercharger inlet system which was leaking - as a temporary measure until the correct seals arrived. They had a habit of being sucked in slightly and caused 'limp home' problems. You need to be scrupulously clean before application to be sure of a good result but it certainly worked, especially in your case if they are made from unobtainium.
Ian
29
« on: March 28, 2024, 05:05:54 PM »
Sounds like you are not fazed by removing carbs, so that's a big plus! You will be used to blocked pilot circuits and the need to make sure all jets and passages are clear. Sudden changes in revs with no external input from you could be an air leak downstream of the carbs when things get warm. When it's running you could try spraying easy start near the intake rubbers and see if the revs rise. Don't like the sound of the blue smoke - are you sure it's blue and not black? Might need to do a compression test. Did it burn any oil when you were using it before these problems started? At least it's running again!
Ian
30
« on: March 28, 2024, 02:31:58 PM »
Hello and welcome to the forum,
Were you actually running it when it started to play up? How did it manifest itself? Down on a couple of cylinders? Cut out completely? Or had you put it away and left it? As the others will no doubt say, if it had some sort of fault and then two different garages had a look, it might now have more than the original fault! Don't despair though, there are plenty on here to help. I'm not a 750 man but plenty are, so help will no doubt come. You say carbs but do you have good recent fresh fuel in now? Is there a spark? I think Ash may have posted a good flow chart for fault finding, rather than just checking random areas.
Many others will soon chime in with suggestions,
Ian
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