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Messages - Drew400

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16
CB350/400 / Re: No spark? My wife to the rescue!
« on: February 10, 2020, 11:35:32 AM »
Gosh, that link's a pretty fulsome answer! Thank you.

17
CB350/400 / Re: No spark? My wife to the rescue!
« on: February 06, 2020, 05:46:14 PM »
Yes indeed. Done that. Thanks for the tip.

18
CB350/400 / Re: No spark? My wife to the rescue!
« on: February 06, 2020, 05:41:26 PM »
Quite so. Old technology is usually reliable (and understandable) technology!

19
CB350/400 / Re: No spark? My wife to the rescue!
« on: February 06, 2020, 05:08:37 PM »
 Ha ha, good point. Clearly, my tool box has been sadly under-equipped!

20
Misc / Open / Re: Sun out, couldn't resist a pic of my old girls
« on: February 06, 2020, 04:46:14 PM »
Lovely looking girls they are too!

21
CB350/400 / No spark? My wife to the rescue!
« on: February 06, 2020, 04:44:48 PM »
I have Boyer Bransden electronic ignition on my 400/4 with standard coils. It pre-dates my ownership of the bike and so the system is at least 10 years old.

In the last year I have had two or three occasions when the bike wouldn't start after a few weeks in my garage (dry & heated and battery mate used constantly). The cause = no spark. So off with the timing cover on the assumption of condensation. On the first occasion that was enough to sort it. Fine.

On the second occasion, I ended up removing the blue & yellow wires that attach to the stator plate. Touching them together with the ignition on forced a spark and, after re-fitting, the bike fired/ran with no problem.

This time (lovely warm February day tempted me out to test my new helmet) all suited and booted but no spark. Off with the timing cover, etc. This time still no spark after the previous exercises so I contacted Boyer Bransden. They replied almost immediately (that's always a good sign).

Their first tip was use an ordinary hair dryer to warm the ignition unit that resides under the seat. So I borrowed my wife's hair dryer and, hey presto, big spark and the bike running fine again.

I don't know of any blokes who own their own hair dryer, but I'm going to become one, if only to keep in my garage.

I couldn't see any evidence of this being posted before suspect I'm not the only one to have experienced this 'phenomenon'.

PS - I rang Boyer Bransden to ask why this worked. They said something about chemicals in the capacitors responding to heat. Fair enough!

22
Other Bikes / I've not seen one of these before
« on: February 16, 2019, 09:35:05 AM »
Perhaps they're commonplace and it's just me.

This one was in Hoi An, Vietnam.

23
Hello all,

Can anybody out there identify this? It's clearly some kind of transformer with interchangeable rates for voltage. It's also clearly old and British (possibly military?). I've been clearing out my late father-in-law's house and couldn't throw this away!

It wouldn't surprise me if someone on this site knows exactly what it is, after all we like old machinery, etc.

Dear Forum Master... feel free to delete this post if you think I'm abusing the forum. That's not my intention and I wouldn't want to dilute the effectiveness of the forum as a result of this post!

Thank you all,

D.

24
CB350/400 / Re: 400 Four detonation
« on: February 06, 2018, 04:33:47 PM »
Thank you again.

Any excuse to 'thrash it' over 5000rpm sounds good to me.

Common sense tells me to drop a cog (or two) when the power runs out... two-up, headwinds, etc. But that's true of every bike I've owned.... apart from the XS1100 that could torque it's way out of prison!

Cheers, D.

25
CB350/400 / Re: 400 Four detonation
« on: February 04, 2018, 11:08:41 AM »
Thanks for this interesting thread K2-K6,

I have very limited technical knowledge but understand the main principles being discussed.

Does having Boyer Bransden electronic ignition have any bearing, good or bad, on your assertions?

Ta, D.

26
CB350/400 / Re: Engine rebuild questions
« on: January 21, 2018, 03:32:44 PM »
Can't resist adding to this thread, even though I'm adding no value at all....

I tried all sorts to remove my tacho drive oil seal. In the end, I gave up (without seeking advice from this forum - mistake - and without the imagination to try the techniques recommended so far in this thread). In the end, it went to the vapour blasting people still in place. I eventually rebuilt the engine and today, three years later, it still runs fine with the barest trace of an oil leak from the tacho drive!

Gosh these things were built to last (unlike the UK competition at the time, sadly).

Cheers, D.

27
CB350/400 / Re: CB400/4 ENGINE STRIP, ASSESSMENT AND REBUILD BY JULIE
« on: December 20, 2017, 08:13:35 PM »
Hi Julie,

Reading your update with interest (after a long lay-off the site).

I'm a big velcro fan (for all the right reasons!) and you've just given me a new right reason. Wish I'd read that before I struggled with my sink plunger-style lapper-in tool!

Keep up the good winter work.

D.

28
CB750 / Re: Still loving it
« on: September 26, 2017, 10:01:03 AM »
Here, here on the loving it front. If last Christmas Day is anything to go by (mild, almost warm and dry) there'll be plenty of salt-free riding time in the months ahead.... enjoy!

29
Other Bikes / Re: 1979 CB250T Dream
« on: August 04, 2017, 10:20:00 PM »
Nice one Coppertop.

My first ever pillion ride was on a 250 Dream. I couldn't believe how comfortable and smooth it felt... compared to my Puch Maxi moped!

Keep up the good work. To me, all bikes and cars look better as standard (that comment will probably start a thread from all the customiser boys!).

Cheers, D.

30
CB750 / Re: Does this 750K5 look a good buy?
« on: July 25, 2017, 10:18:21 PM »
Thanks all. I think I've learned something from this thread! ???

Cheers, D.

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