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Messages - McCabe-Thiele (Ted)

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6196
I forgot to take a photo of the top of the block with the four dowels, seals, oil restrictors etc in place - well covered in the manual & the video (https://www.youtube.com/watch?v=YfCwpDsP_5E)

With the camchain tensioner blades both in place I lowered the head partway down the studs so I could feed the tensioner blades through the cylinder head tunnel/slot. The camchain that had a long cable tie attached was fed through the gap between the two blades. Head went down engaging easily with the dowels. Fitted the copper washers & domed nuts in place with the doughty washers, correct nuts fitted to the studs in the spark plug access hole. Fitted rear tensioner blade top cap in place having fitted new plastic clip earlier - finger tightened , front blade in slot on head.
Torqued down cylinder head in sequence as per manual working in stages of 8, 12, 16 then finally 19.6 Nm - lost count of how many circuits of the bike stand I walked during this process. Finally torqued down the two bolts on the cam tensioner top cap. Spark plugs loosly back into head to keep out muck.

I have fitted the tensioner top cap the wrong way around in the picture so had to change it,


.cylinder head fitted by Macabe Thiele, on Flickr
 

6197
CB350/400 / Fitting the headgasket question again?
« on: September 23, 2021, 05:33:11 PM »
Having trawled through 40 pages of previous CB400 posts I have failed to find previous discussions about fitting new gaskets - to Goo or not to Goo that is the question - then it's what Goo?

In the past (mainly on cars) I have just greased a new gasket on both sides and fitted them what's the best way?

6198
Project Board / Re: 30 years of storage later, the project begins.
« on: September 23, 2021, 02:50:22 PM »
Your bike, your build,  your choices, your money - the only person to please with the end product is you so I agree with your philosophy 100%.

"To be yourself in a world that is constantly trying to make you something else is the greatest accomplishment".
"We are our choices"

6199
CB350/400 / Re: Do folk here Anneal Copper head washers?
« on: September 23, 2021, 02:41:38 PM »
I know exactly what you mean Ted, if you're not in the right frame of mind theres just no point. I've been there, tomorrows another day.

Nice to know I'm not alone with that mindset - I blame my age I'm 73 - fully retired so optimistically still plenty of sand left in my hour glass of life.

6200
CB350/400 / Re: Swing arm dent?
« on: September 23, 2021, 02:27:57 PM »
Yes it should be like that.

Mine is the same - it's to clear the rear brake levers I think.

6201
Project Board / Re: 30 years of storage later, the project begins.
« on: September 23, 2021, 02:25:50 PM »
Impressive restoration work being done on this project - just over 2 years from the start of the project - admirable patience & attention to detail.

6202
CB350/400 / Re: Do folk here Anneal Copper head washers?
« on: September 23, 2021, 01:24:08 PM »
Ted, don't forget the two washers under the pillar nuts are dowty type.

I haven't slipped the head into place yet but thanks for the reminder - I bought the DS dowty ones in the end - tbh I've not worked out where the pillar nuts go yet - I'm thinking it will be obvious when the head is on.

Did you just grease the headgasket can't find the post that discussed this a few months back?

My head is a over the place today so I'm not fitting the head today - I get days when I'm not in the right frame of mind today is one of them so it's just reading up & viewing videos today.

6203
CB350/400 / Re: Do folk here Anneal Copper head washers?
« on: September 23, 2021, 11:25:00 AM »
Mine were copper plated steel as well.

Cleary some are made from Copper plated steel then - would that be original fitting or an aftermarket fake item fited by PO's.

I have ordered 2 from DS as my two nuts down the plug holes had thin steel washers fitted - I hope the DS ones are Copper!

6204
CB350/400 / Re: Do folk here Anneal Copper head washers?
« on: September 22, 2021, 11:26:08 PM »
My original 400 ones were definitely copper plated steel, but I've replace them with solid copper ones so maybe someone has done the same in the past with yours Ted

Did you check if they were magnetic?

6205
As I am waiting for parts from DS I decided to make the earth connections for my indicator lamps & fit the front indicator lamps - a bit boring - yes it's not the standard headlamp but decided to keep the original headlamp frame to help with stabalizing the new light. I might have to shorten one of the new earth leads. The headlamp bolt spacers are a temporary mock up to see how it all fits - ideas stolen from Allan Kelly.

The eagle eyed members will have noted I have a new garage door as my old one was worn out after 31 years.

.front  idicators fitted by Macabe Thiele, on Flickr

6206
CB350/400 / Re: Do folk here Anneal Copper head washers?
« on: September 22, 2021, 10:46:26 PM »
I'm sure I've read on here before these washers are not actually cooper but are copper plated steel?

At £3.47 each I expect them to be Copper right through!

Mine are not even remotely magnetic - so definetely not steel plated  -  they are Copper - the staining on mine is Alluminium due to Galvanic corrosion effects from the cylinder head & nuts.
Alluminium & Iron sit above Copper in the periodic tabe so that fits with my theory unless someone can come up with another explaination.

6207
Project Board / Re: 1977 400F2 first restore project
« on: September 22, 2021, 10:42:25 PM »
I would build the bike up to a rolling chassis then get someone to help lift the engine in. As you say, it's really easy to lay the engine on its side and refit frame over it but then you have the problem of fitting the forks, swing arm, wheels etc. This is easy to do if you have a bike ramp to hang the front end off so you can fit the forks but never tried it without a ramp. Great photos, its looking very good.

Fwiw I put my engine into the frame with just the front wheel in place whist on the centre stand for stabiity on my bike ramp, with no sump fitted (I fashioned a cardboard sump cover held in with 4 short screws to keep muck out) when the basic crankcase was fitted I then fitted the block & pistons - at present the chain guides are in place ready for fitting ther cylinder head. I fitted the sump yesterday but am waiting for some bits from DS before I fit the head. I was going to do the laying the frame on it's side route but did it the above way as it was easy to put some protection on the frame pus my rear wheel is not yet fitted. When I came to fitting the chain guides I found a torch held from above enabled me to check the guide location easily. There are cleary a number of ways to achieve the same outcome - what works for you is the best one - all roads lead to Damascus!

My brother helped with the lift as Wendy has a bad back & my brother is built like Cheyene Bodie he is 10 years my junior.

6208
CB350/400 / Do folk here Anneal Copper head washers?
« on: September 22, 2021, 06:32:53 PM »
Just wondering if it's worth me heating up my copper cylinder head washers to Anneal them or is this an extinct practice?

6209
CB350/400 / Re: Why did Honda use dome headed nuts on cylinder heads?
« on: September 22, 2021, 09:23:16 AM »
Whilst cleaning up my cylinder head nuts I wondered why use dome headed nuts when you can't see them - why not just use a full nut?
They are fitted to stop the oil running back down the thread Ted.

Thanks Julie, I thought there was a reason but had no idea what -Honda ingenuity strikes again.

6210
CB350/400 / Why did Honda use dome headed nuts on cylinder heads?
« on: September 21, 2021, 07:21:32 PM »
Whilst cleaning up my cylinder head nuts I wondered why use dome headed nuts when you can't see them - why not just use a full nut?

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