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Messages - florence

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31
SOHC Singles & Twins / Re: CB350 1971 Restoration Project
« on: September 27, 2023, 12:42:56 PM »
Is it worth running without air filters attached for a test just so you can see if slides are popping back down in good time and together when throttle is released?

32
SOHC Singles & Twins / Re: CB350 1971 Restoration Project
« on: September 26, 2023, 04:57:00 PM »
My 350 always had problems with sticking slides, I've owned and ridden one for 40 years and they were always trouble, especially in wet weather. Sometimes they were happy and other times they were a pain.  In my opinion the carbs on these are not a great design so I changed mine to slide carbs (Amal concentrics in my case), i.e. non diaphragm, and it transformed the bike.  I know that is no good if you are after authenticity but in all honesty it is a vast improvement.  It runs brilliantly and throttle response is instant.  I would say it would depend on how much you want to ride the bike.

33
not sure, just part of the setup

34
Not as good as I thought

36
Sorry Ken, I imagine they are no good for restoration, the aluminium of the carb bodies at the inlet on two of them has corroded very badly indeed.  I am not sure how, they came like that in a job lot of spares.  Strangely the throttle mechanism is in very good condition, even the chrome part but as I said the carb bodies are scrap.  Luckily the float chambers are good and I have already needed to fit two of them to my bike as every now and again the brass tubes split, probably down to ethanol in the fuel.

37
no worries, I can always save it in case I need it.  It nearly ended up in the scrap but now thinking should keep just in case.

38
can you not get a second hand shaft?

I might be able to find one in my collection.

yes, and bracket


39
CB500/550 / Re: stator overheating
« on: September 01, 2023, 03:09:56 PM »
I have seen modifications where 15A fuses are put inline with the three stator wires as a prevention.  Might help diagnose without burning out another alternator stator.

40
CB500/550 / Re: Ignition Coils recommendation
« on: September 01, 2023, 02:55:17 PM »
You tried fitting a silicon sleeve over the HT lead like the original Honda ones had? If you can fit it right up to the coil and right up to the sealing rubber on the HT cap that should stop any arcing

Good idea, there is a gap, might use shrink tubing.  (I was worried I might seal moisture in)

41
CB500/550 / Re: Ignition Coils recommendation
« on: September 01, 2023, 02:00:11 PM »
Thank you.  Does anyone know what the primary resistance should be?

42
CB500/550 / Ignition Coils recommendation
« on: September 01, 2023, 12:09:48 PM »
Over the years I have had a lot of trouble with errant sparks, especially when damp or wet.  A year or so, I replaced the original coils with aftermarket ones but not completely happy with their performance either.  I have new plugs and new caps.  Periodically, number 1 cylinder drops out with a weak spark.  I tried reducing the spark plug gap which has helped.

Does anyone have a recommendation for good reliable replacements as I am not sure about the quality of the ones I am using added to which they don't fit correctly on the frame anyway.

Thoughts??

43
Out & About / Re: Winterised classics
« on: November 03, 2022, 09:49:51 AM »
Because my bike is ratty, I get to use it all year round, yay, win-win.  (Although it does have a sticky clutch cable which gets worse in bad weather, must pick one up this week)

44
CB500/550 / Re: 500 Brake pad options wanted.
« on: October 20, 2022, 04:37:23 PM »
In order to transfer kinetic energy and thus slow down the bike, the pads must apply friction creating heat and, in the case of my bike, sound energy in the form of a loud squeaking.  My brakes need all the help they can get so I'm happy with the squeaking.  It tells me some energy transfer is taking place  ;D

45
CB500/550 / Re: 500 Brake pad options wanted.
« on: September 20, 2022, 08:00:55 PM »
I have always used EBC on my bike and they always work well.  They have a tendency to squeal but that's when I know they are correctly adjusted.  The brake on these bikes is rather primitive but is more effective than it 'feels'.

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