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Topics - Andych

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1
CB350/400 / Rim Strip or Duct Tape
« on: July 24, 2019, 08:37:10 AM »
Finally getting around to starting on the CB400 and gathering a few items I know I will need.. including tyres and tubes... but... I was wondering what are peoples preference... Rim Strips sized correctly (hard to find apparently) of Heavy Duty Duct tape?

I am not sure I trust Duct tape that much... well mabey the reinforced stuff would be OK

2
Interchangeability / CB350/4 tank onto a 400/4
« on: December 22, 2018, 12:37:40 PM »
Is there much of a difference visually between the 350/4 and 400/4 tanks?
My 400/4 tank is compressed a little at the front (on top) and I am not sure if it is easily repairable so I have been keeping my eyes open for a replacement but they very rarely show up in Australia.
The 350/4 tank listed below looks to be in pretty good condition and is is a good price but I am not sure how it will look on the bike.

I know anyone who knows about the SOHC 4's will immediately spot it but it might be a good alternative while I either find a way to fix my original tank or source a good one. I am not overly keen to buy an aftermarket one.. I am just not sure of the fit and finish and they all seem to h=only have a 14mm petcock outlet.
https://www.ebay.com.au/itm/Honda-1973-CB350-four-fuel-tank-Candy-Bacchus-Green/143053403659?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m1438.l2649

3
SOHC Singles & Twins / Early 70’s CB250
« on: November 02, 2018, 10:07:10 AM »
It would appear that laying around in Rehab hospital isn’t good for my wallet....
An ad came up on Facebook Marketplace for this bike and I thought I will go back to that later on and message the seller...
Went down to Physio and after being tortured for an hour or so came back to my room and started looking for the ad again....could not find it.
I eventually gave up and even told my better half it was lucky I couldn’t find it as I would have bought it...
Guess what jumped up into my feed again later on in the afternoon....😊
After talking with the seller on the phone I transferred some $$ and the bike is now mine... I just have to wait till I am able to drive 600km to pick it up.
My wife wasn’t even upset over it...too bad if she had been as I had already paid for it by the time she got here to see me...
While pictures don’t show the full story it is all there...and at A$250 I think I got myself a bargain. [ Guests cannot view attachments ]

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Announcements / New Knee
« on: October 24, 2018, 12:29:36 AM »
I had a total left knee replacement yesterday and spent a reasonably comfortable night with the aid a little push button 😉 Pain meds are good.
Rehab starts today so that will be interesting lol..
I am looking forward to getting back to not needing crutches etc to get around so I can get back to working on my bikes.

5
CB350/400 / Weight of CB400 Engine
« on: July 15, 2018, 09:28:04 AM »
I have managed to score a complete CB400F engine with Carbies but as they are in Geelong (approx 800km away) I need to get them freighted to me.
The person I have bought them from isnt able to weigh the engine but I need a weight for the transport company..
Can anyone give me a pretty close weight of the 400 engine? I can add in for a crate etc.

Thanks in advance  :)

6
CB350/400 / Cylinder Head and Big Bore kit
« on: March 25, 2018, 12:04:45 PM »
Hi all
OK... a couple of questions.. looking at my cylinder head a number of the fins are corroded to the point of almost being powder. I can source a "rebuilt" head for A$270 but my 2 concerns are 1 - there is no valve cover with it... are they matched for cam bearing clearance.. and 2 - It looks like it has been blasted.. again main area of concern are the cam bearing surfaces. Pic in the ebay link.
https://www.ebay.com.au/itm/honda-cb-400f-head/222670986745?hash=item33d8399df9:g:pJgAAOSwrP9Z2ZEl

Second Question - Has anyone had any experience with these Big Bore kits from webike. they are more expensive than the CruisinImage kits but look to be better quality and are based on the Yoshimura 450 kit so they will be High Compression pistons.. most likely...lolhttps://www.ebay.com.au/itm/BRC-450cc-Bore-Up-Piston-Kit-HONDA-CB400F-2013/162943854098?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m1438.l2649

I have my sights on another CB400.. just waiting for the price to become a little lower... it is a recent import from the USA with papers but the engine has been partially stripped.. they are forced to do this now in Aus du to "asbestos" gasket concerns... :(

Cheers

7
Project Board / Down Under 1975 CB400F Restoration Project
« on: March 04, 2018, 11:53:48 AM »
So.. it is time I outlined my what plans I have for my project and added some pics..comments, information and suggestions all welcome :)

I picked this little gem (in the rough) up from a country town in Northern NSW called Grafton... and after a couple of false starts I had it shipped down to me... it was well worth the $350 so I didnt have to drive 400km each way and with a Hotel bill thrown in.
It arrived a few weeks ago and I resisted immediately tearing it down as I had a Suzuki Across on the bike lift that was meant to be a quick flip (12 months ago) but now that has gone and I have had a chance to ponder a little more about what I want and also to see what condition the bike is in.
I did get myself a new battery and using the well worn Kick starter (more on that later) had it running just a a few minutes which was encouraging... there is an issue in the starter circuit (most likely the button or an earth or both) so with some new fuel in it I used a screw driver across the solenoid connections and turned it over a few times just to get some oil moving... then opened up the petcock, lifted the choke and she fired first kick. When I ran it the first time it blew the remains of about 3 wasp nests out of the exhaust but this time it just settled into a nice idle.
The exhaust is cactus (Aussie slang for dead) so it was tough to listen for too many noises but once it was warmed up a little it revved nicely which I was pretty impressed with. Mainly because the seller had said it will run with a battery and I am always sceptical :) There were no unusual rattles, it didnt blow any smoke etc.. BONUS :)
So.. I know it runs which is always a plus... not that it mattered as I was always going to tear it down... all the way so that I can have the cases vapour blasted, Primary and cam chains changed and barrels bored. I was going to go the 466 (54.5mm) route but after reading through here I am now thinking I might just see how much wear is in the bores and decide from there... but I will probably end up going 52.5mm which I think is the largest factory oversize as long as I can get pistons and rings...plus I will tidy up the ports a little. Nothing wild.. just some smoothing and port matching the intakes (so I say at present anyway).

So the project overall is to try and keep the bike as close to stock or looking stock as I can. The Colour will be Varnish Blue.. or maybe a custom blend of Varnish Blue with some Candy in it.. just to make it pop a bit. I want it to look standard but for people to look at it and not be able to put their finger on what is not right...
I definitely need to get another seat as the one on it has the wrong cover and the base is rusty and has been welded a few times before.
As I said before.. the exhaust is just not salvageable, the pipes are all dented and number 2 pipe has a large hole up near the head... the muffler is an orphan so I looked around and I decided I am not going to shell out for Factory headers.. they just want stupid money for really rough ones and the Delkevic 4 into 1 megaphone looks pretty good and I hope sounds lovely. I have heard some Youtube clips of 500's and 750's but no 400's yet.
Front end will remain stock.. maybe change fork springs depending on how they are.. (I am sure they will be stuffed) but the rear end has already been acted upon... the rear shocks at present are SW but they are bulkier at the bottom than factory so the chain guard has been sliced up to suit and when I took the LH one off today I can see the chain has gouged a nice recess in the shock. Luckily I purchased a set of aftermarket twin spring shocks last week and they will miss the chain easily so I just need a new chain guard now.

All the other usual stuff I guess... Instruments refurbished and outer painted with new KPH faces and crimp rings. I already have the tank and side cover decals as well as the idiot light decal and will probably get the warning label decals as well.. just to make it look authentic. Wiring doesnt look too bad right now but I will see as the strip down starts.. Reg/Rec will be changed and will go to blade style fuses... plus at this stage I am leaning towards a Hondaman Electronic ignition.
That is it for now.. a broad outline of what I want to end up with... a clean stock looking keeper... :)
Plenty of pics below and I will try to keep this as up to date as I can.. but I also have another build on the go at the same time (a Yamaha SRX250) so the CB400 will be a little slow to start with.

This is the first pics I had of it before I bought it
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I took the tank off only to find more wasps nests.. didnt seem to hamper the coil pack operation as it ran fine.

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When chain meets shock absorber

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New shockers ready to go on when the build takes place...

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8
New Member Introductions / Hi from Downunder
« on: March 01, 2018, 07:17:21 AM »
Hi all
I am Andy.. hailing from Sydney Australia..
I have been a member of the other SOHC forum for a little while.. well since I bought my CB400F.
Having had a look around on here.. I just had to join as there is a lot more info and discussion on the CB400F.
I have already scrolled through some of the great threads and picked up some great info.
I will get around to putting up a project thread with some pics.. but I am in the middle of another project right now (a Yamaha SRX250) so I should try to get that mostly finished before I start on the Honda..maybe :)

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