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Topics - zombie365

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1
CB350/400 / HELP! Clutch not disengaging! CB400F
« on: August 07, 2022, 10:26:25 AM »
Hi All,

Just come to the end of my CB400F cafe racer build. I’m having trouble with the clutch.

The clutch is not disengaging. The bike starts perfectly fine when in neutral.

If I try and start engine whilst in gear whilst pressing clutch lever, the bike jumps forward as if the clutch isn’t pressed.

When bike is in gear with engine OFF, I rock the bike backwards and forward the back wheel is engaged with engine, there is no difference if clutch is pressed or not.

Kickstart will not engage either, it springs back into position, but it won’t engage properly to turn the engine over. Only tried kickstart when in neutral. Maybe this is related?

The engine has been stood dry for the past year whilst building the bike.

I did remove and refit the internal kickstart mechanism as it fell out when I took engine case off for refurb.

I have adjusted clutch cable so that it reaches max leverage on clutch arm, therefore clutch should definitely be disengaged.

Any things I can try before I start disassembling?

Any help would be appriciated!

Cheers,

Sam


2
Tricks & Tips / Slipping Clip-ons !
« on: August 02, 2022, 03:17:15 PM »
Hi All,

I have clip-ons on my 400/4 but they keep slipping forward/backward on the stanchions with a bit of force. Haven't rode the bike yet as I've only just come to the end of my build, however I think it'll be pretty dangerous banking into a corner...

Any tips on getting these to stay firmly in place? I daren't tighten them up anymore as ill start stripping threads.


Cheers  :)





3
CB350/400 / CB400F Motogadget m.unit thread
« on: March 21, 2021, 09:58:51 PM »
Hi all,

So currently planning my rebuild of the 400/4 I've scrapped the wiring loom and gone for the Motogadget m.unit blue.

Bike is going to be café racer style, hopefully not upset the purists to much! ;)

https://motogadget.com/shop/en/m-unit-blue.html

I'm after any tips or tricks when wiring this thing up and thought it would be useful to set up a dedicated thread, to help anybody else (and me) doing a similar thing to there 400/4. I design electronics for a living so not unfamiliar with this sort of stuff... although I've never done any major motorcycle wiring!

I am literally at the start, so to begin here's there "simplified" wiring diagram from moto gadget:

[ Guests cannot view attachments ]

Does anybody have a more defined wiring diagram for m.unit and 400f ?

I'm looking to use the original regulator/rectifier and an antigravity (or something similar) battery.

Any input greatly appreciated!  :)

Thanks

4
CB350/400 / Ultrasonic cleaning carbs carburettor tips? CB400F
« on: March 21, 2021, 12:11:47 AM »
Hi All,

My 400/4 is pretty much striped down now, time to refurb some parts!

I have access to an ultrasonic cleaner and wanted to clean up the carbs, mainly just for aesthetics, engine was running sweet as a nut before strip down, so I believe the carbs are working as they should.

I've not worked on carbs before so I thought id ask somebody first...

Can I just "chuck" the carbs as a whole in the tank and turn it on? or do I need to dismantle anything before?

It has pod air filters which will obviously be removed.

Hope I don't get to much stick for my noob question!  Ha! :D

Cheers

Sam


5
looking to buy this Delkevik exhaust for my 400/4 but wondered if anybody has a discount code I can use?

https://delkevic.co.uk/honda-cb400f-1975-77-full-4-1-stainless-steel-exhaust-classic-straight-silencer.html

Thanks


6
Hi all,

Looking forward to getting back on the road! I had mopeds when I was 16 till about 19 then switched to a car. I've always worked on my own motors and have recently restored and converted my little 98 Suzuki Carry (aka sooty van) into a little micro camper. I'm an electronic engineer by day and DIY'er at night.

I passed my bike test 5 years ago when I was 25, but only recently have been in a position to get myself a bike. It took me a long time to decide  what bike to get, but I got pretty set on a 75-77 Honda 400/4. I love the style, size, the sweet looking exhaust, the tank shape and the sound of them. I recently purchased one that's the perfect base for a project. Engine seems sweet as a nut, mainly just cosmetics.

I know the older guys will hate me for this (including my dad haha!), but I'm wanting to lightly cafe racer it. No chopping, just a different seat, mudguards and handlebars. The bike already has non stock mudguards and handlebars. I'll be stripping it all down, powder coating the frame, respraying the tank, nut and bolt restoration ect.

Looking forward to completing the project and hopefully get a few weeks riding at the end of the summer :-). I'm sure ill be asking lot of questions when building it back up!


Sam









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