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Messages - CBNelly

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1
CB350/400 / Re: 400/4 Starter Motor Pics
« on: September 15, 2022, 08:57:04 PM »
Thats great, thanks very much

My cables have broken away from the bolt but still making contact

I had problems starting my bike (using the electric starter) because I believe the bad connection was draining electrical power not leaving enough to create a spark across the plugs

Always starts OK with the kickstarter

Took me a few years to work that one out!!

2
CB350/400 / 400/4 Starter Motor Pics
« on: September 11, 2022, 03:34:52 PM »
Hi, does anyone have any photos (or schematics) of the inside of a 400/4 starter motor where the power cable bolt connects to the windings?
My through bolt is loose and turns when I tighten the nut on the outside
Starter motor works but the windings only rest against the through bolt (not soldered)
Should there be nuts both side of the casing to hold the bolt/stud securely?
Thanks!

3
CB350/400 / Re: advance/retard unit
« on: May 28, 2022, 01:13:45 PM »
Think I've answered my own question!!
Found a spare unit (or two) in by box of spare parts
Shim seems to sit under the central sleeve!!

4
CB350/400 / advance/retard unit
« on: May 28, 2022, 12:47:18 PM »
Hello Everyone
Enjoying working on my 400/4 in the sun setting up the carbs and timing
I've had the advance/retard unit in bits and now back together and on the bike
However I've come across a 0.1mm thick shim (23mm OD x 15mm ID) on my workbench and wondered if I missed during the reassembly
Does anyone have a photo breakdown of the unit?
Thanks

5
CB350/400 / Re: Poor Cold Starting
« on: August 19, 2019, 10:11:27 PM »
Thanks for response

Also have a question regarding setting up of the slides

Honda manual says should be 0-1mm from top of inlet port when throttle wide open

Not easy to adjust while holding throttle open against the spring, is there a measurement you can take from the bottom of the inlet when the throttle is closed?

I seem to recall someone using 1.5mm drill bits to measure this gap, is this right?

Thanks

6
CB350/400 / Re: Poor Cold Starting
« on: August 18, 2019, 07:27:46 PM »
Well, got my carbs back together after fitting new genuine jets, etc. form Mr Silver!

Have a question regarding set-up of the choke

When open should the choke flaps fully cover the inlet port or is there a particular way of setting them up?

Thanks!

 

7
CB350/400 / Re: Poor Cold Starting
« on: July 28, 2019, 05:46:02 AM »
Thanks, I'll set up carbs as per manual and see what happens!

8
CB350/400 / Re: Poor Cold Starting
« on: July 26, 2019, 11:15:14 PM »
Only have a Haynes manual

Is there a copy of a Honda manual on this site?

9
CB350/400 / Re: Poor Cold Starting
« on: July 25, 2019, 10:18:24 PM »
No, carb strip was to clean and re-plate some external fittings

Ran fine before strip so I think something on re-assembly not right

10
CB350/400 / Poor Cold Starting
« on: July 24, 2019, 10:33:30 PM »
Hi,
Have owned my 400/4 since 1990 and always been a good starter
That was until I totally stripped down the carb assembly!
Now takes ages to get going normally with throttle opened
When started it runs fine
Seems like the choke is not working even though butterflys close and tops lift when apply choke
What should I be looking for on carb set-up?
Carbs currently sat on my work bench and all checks so far have yielded nothing
Help
Thanks
Neil

11
CB350/400 / Fitting Airbox
« on: October 01, 2018, 10:23:36 PM »
After struggling (again) to fit the airbox to my CB400F I wondered if anyone has a fitting technique that works?

Had my bike nearly 30 years now and I dread every time I get to this part of the re-assembly!!

Thanks!

12
CB350/400 / Re: Painting underside of mudguards
« on: September 26, 2018, 10:10:40 PM »
I use silver hammerite

Gives great protection plus still looks original i.e. chrome (from a distance!)

13
CB350/400 / Re: Almost finished (I think)
« on: December 12, 2017, 07:03:01 PM »
Hi Dave,
I read through your suggestions and wondered if any had made a particular difference
I want to do all the checks, etc. before reassembling the engine again
Like I said all my bearings seem OK but I will focus more on the clutch as noise seems more pronounced when being slipped
I've had my noise for a while and bike runs OK but always the nagging thought in the back of my head
I'll keep looking over the engine and if anything comes up I'll be sure to post
Thanks

14
CB350/400 / Re: Almost finished (I think)
« on: December 11, 2017, 10:40:57 PM »
Hi everyone
I've just joined the forum and currently have my 400/4 engine in bits
Reason for strip is a whine from the clutch/gearbox when under load in gear
I've seen a few threads and even a Youtube clip with the exact same noise
Has anyone found a reason for this noise yet?
I've quickly checked all my bearings and gears/cogs and all seem fine
Only issue I have is the first gear seems loose on the shaft but not sure what tolerances apply
Any help anyone can give to resolve this noise would be much appreciated!

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