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Topics - rustywheels
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« on: September 25, 2021, 11:12:04 AM »
I've decided to replace the remnants of my old wiring loom, with a nice new shiny version.
But... which way to start? Do I tackle the birds nest of the headlight first, or get some quick wins by starting at the rear and leave the top end to last? Any recommendations/preferences?
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« on: March 03, 2021, 05:30:20 PM »
My front forks feel as if the springs are a little on the worn side, and looking for any recommendations. I've used Hagon on my other bikes, but they don't supply a replacement set, and nor does Mr Silver. Spookily there isn't much chatter around replacing springs on the forum, so am I in the minority? Is it just a case of an oil change to a heavier weight like 20w? I don't experience excessive dive (probably because I'm not going that fast!!), but can be a bit crashy on bumps.
Thanks for any advice
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« on: November 09, 2020, 07:02:38 PM »
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« on: November 04, 2020, 05:23:39 PM »
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« on: June 23, 2020, 09:52:50 AM »
Was cleaning the bike after an evening ride (aren't the evenings amazing at the moment and were the headlights really that dim back in the day?) this week, and I noticed a small amount of corrosion on the frame. Its the 'triangular' top mounting point for the near side rear shock. Not horrific, but obviously a stress point. Has anyone repaired this area before?
Is it best to fabricate a new mount or use an off-cut from an old frame (anyone have such a thing hiding in a shed?)?
PS there are definitely more insects around following lock-down. My jacket and helmet are literally 'furry' at the end of each evening ride
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« on: May 26, 2020, 09:23:39 PM »
Yes, THAT bolt...
So a quick question, does this look right? Should there be any gap between the end of the bolt and the case? The PO has obviously replaced it at some stage, and whilst I don't have any oil leaks, it is incredibly tight against the engine case, and yes, it does have the spring washer fitted. I haven't taken it out, but it looks to be between 74 to 75mm in length, and CMS show it as a 10x74mm.
Probably fretting about nothing. I'm almost tempted to remove it and skim a little off the end.
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« on: May 06, 2020, 09:36:17 PM »
On my CB400, the right hand side (near side in UK) bottom fork leg, has the brake mounts - see pic.
I know some CB500F's had this as an option to then upgrade to dual front discs, but is this something that was standard on some 400 bikes? My suspicion is that the bike has had a trip down the road at some point and was replaced with a 500 fork leg, but I'm intrigued...
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« on: May 06, 2020, 02:50:12 PM »
QQ - and I have had a search but couldn't find the answer. Does anyone have the dimensions for the inlet O rings? I see Mr Silver sells them, but a little expensive, but if I have to, I have to... https://www.davidsilverspares.co.uk/CB400F-SUPER-SPORT-FOUR/part_43725/Alternatively, anyone know of another source for them?
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« on: March 06, 2020, 12:53:35 PM »
My fuel tank is just back from the painters, and looks gorgeous. When I bought the bike it had a slightly different warning decal than others that I have seen. It was just an English version as per the picture:
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Is this correct, or should it be the three column multi language version decal (or frankly does it matter?!). Its a 1977 F1 version, and I rather like the decal it came with.
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« on: March 05, 2020, 06:30:51 PM »
Towards the end of last year, I acquired a nice blue (they are the fastest – correct?) 1977 CB400F.
Has been lightly restored in the past, as frame has been powder coated etc, but has a few kinks to iron out. Joins my 1978 Yamaha XT500F in the garage – which is clearly the opposite end of the spectrum on so many levels, and an original 1990 MX5. I just love ‘old’ simple technology, which isn’t overpowered and will overwhelm me. Not that I don’t like power, as in the past, I have owned some terrifyingly fast motorcycles and cars, but I have simply reached the point when I can’t keep up or react at those speeds anymore (yes, I admit it, they scare the pants off me now)! Less is more in my book.
I never owned a 400/4 as back in the day I was an RD350LC boy in my Dr Martins and Levis (why did I sell that bike for £800 and buy a 2CV???), but friends did and the looks and build quality always appealed. The difference between the RD and the CB is quite astounding. How on earth did Mr Honda make any money? Just the parts needed for all those carburettors, valves etc compared to a 2-stroke twin must have blown the profit margin. A bit like my VFR which apparently never made any money.
So far, the replacements consist of:
Tyres, tubes and tapes
Battery
Oil, plugs and filters
Switchgear
4 x carb kits
Throttle cables
Grips
Odds and ends
The engine was running very rich, so the carbs have been in and out a few times for a thorough clean and adjustments. There was also a flatspot around ¼ to ½ throttle opening and she didn’t want to rev out. I think I am now about there, but as the tank is off for a repaint, I haven’t been able to road test her yet but at least she now revs freely, and plugs look clean.
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Tank was the only other problem as a PO had stuck a tank protector on using what looked like Araldite, and whilst the protector had been removed, two large blobs of epoxy remained. For love or money, I couldn’t remove them. So off to local painters I have used before to rectify and repaint.
Otherwise, I am in the usual debate as to how far to go and restore and do I really need to polish those crankcase covers? But ultimately, she won’t be a garage queen as have plans for a couple of road trips to Cornwall, Wales and possibly Scotland. Will keep you all posted on progress.
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