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Messages - SeanFD

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1
CB750 / Re: Oil feed to clutch cb750k
« on: March 26, 2024, 09:43:09 AM »
Found it! Thanks

2
CB350/400 / Re: CB750 fuel filters
« on: March 25, 2024, 08:08:50 PM »
That's exactly what I was hoping to find out.

3
CB350/400 / Re: CB750 fuel filters
« on: March 25, 2024, 07:20:53 PM »
Yep, space is the issue and the direction the lines have to run.

4
CB750 / Re: Oil feed to clutch cb750k
« on: March 25, 2024, 07:13:08 PM »
On my 750, I used synthetic once because I couldn't get anything else. It started to leak at the rocker cover.

Subsequently, in the absence of any MA2 graded oil, I use various things, including long distance diesel oil. This apparently has less of something or more of something - memory like a sieve - that makes it more suitable than modern oil for cars.

I'm looking at 20W50, and the cans are all green with different descriptions on the front.

Castrol do produce a data sheet, but only on the US website, and then show it only in 1L plastic bottles.

https://www.ebay.co.uk/itm/155143601025?epid=22032787237&itmmeta=01HSV0Z4R41K9G4JQCY7RG7TZF&hash=item241f477b81:g:Yt4AAOSwNMdjpICv&itmprp=enc%3AAQAJAAAA8G8noC9WWL%2BZnL95TCzuiicFGveRWXCORGcA13MdNYA7HNE1gZpZbt1V3%2Bdr9WJi2m0ipxglgTLoYzluOm2MwUW2Y%2FvVI0FdtkfXwHYfFc9c3hKbVMsnt9T4uLWwfDMJcmlo4y8NdAF71W36bAYj09NUKdv%2B0ztEuveWnJ0Et060Dl2Zg8aW7WAbI07f594iQK3%2BTV9ia6XT7Y0QAtD4tkJ7YOWJEr9S7ds98jYOMDxJ3mZe4g%2Fo0s79eWqDte23XCBPECsMEJKokjb1BqViBP4GwD4NI%2B9t%2FmIDmVnBW2eyTSM5dz85n902D6sPNhPp%2FA%3D%3D%7Ctkp%3ABk9SR5bM_ODOYw

5
CB350/400 / Re: CB750 fuel filters
« on: March 25, 2024, 07:03:55 PM »
I tried a straight one, but it doesn't work on the 750; it needs to be a 90º one.

6
CB350/400 / Re: CB750 fuel filters
« on: March 25, 2024, 06:39:55 PM »
Is it a "T" or straight through, Ted?

What's the make and source?

7
CB750 / Re: Oil feed to clutch cb750k
« on: March 25, 2024, 06:37:41 PM »
I just emailed Castrol about ma spec oil and they replied I don’t know if the info is any help

Very interesting. I've never heard of this before.

I looked it up on online and all the 4L metal cans it comes in are slightly different. Is there any rogue stuff out there, or is it all good?

8
CB350/400 / CB750 fuel filters
« on: March 25, 2024, 06:34:46 PM »
Does anyone use in-line fuel filters?

If so which one and where did you get it from?

The ones I had died of old age and the ones I ordered here in France both had a hole in the gauze.

9
CB350/400 / Re: Done any touring on the 400?
« on: March 24, 2024, 10:18:45 PM »
What TTr400 said.

Nowadays we all tend to overthink things.

If the bike is sound mechanically, and you're not in a hurry, just go for it. Take your time and enjoy the ride; you'll look back on the experience with much fonder memories too.

10
CB350/400 / Re: Starting in cold weather
« on: January 01, 2024, 10:18:10 PM »
Way back then, my 750K2 would always difficult to start once it had sat for a while, e.g. overnight, or even all day, in cold damp weather.

I used to carry a small blow torch in the top box and use this to warm up / dry up the plug caps and leads and it would fire up immediately :o

Now I have new coils and it starts with no problem; it rarely sits outside in cold and damp nowadays mind.
.  This is the image I have of you Sean!!! Happy New Year.

Close enough!  ;D

11
CB350/400 / Re: Starting in cold weather
« on: January 01, 2024, 11:01:47 AM »
Way back then, my 750K2 would always difficult to start once it had sat for a while, e.g. overnight, or even all day, in cold damp weather.

I used to carry a small blow torch in the top box and use this to warm up / dry up the plug caps and leads and it would fire up immediately :o

Now I have new coils and it starts with no problem; it rarely sits outside in cold and damp nowadays mind.

12
CB350/400 / Re: I think I've done something wrong!
« on: January 01, 2024, 10:56:40 AM »
Using a magnet, I was able to fish out a couple of additional bits.

Then I turned the motor over slowly - yes Ted, the plugs were out - and all seemed fine.

So now it will have to sit for a while until I get back to Belfast, when amongst the other things, I'll drop the sump, check the strainer and change the filter.

Until then ...

13
CB350/400 / Re: I think I've done something wrong!
« on: December 27, 2023, 10:37:50 AM »
I will do.

DSS doesn't re-open until 02 Jan, by which time I'll be back in France – replacing the valves and guides on my K2 – so Rusty's completion gets delayed once again.

For now, I'll just put the covers back, and leave the oil in place till next time.

Maybe I should hire a van  :-\  ...

Just for interest, here are a before and after pic.


14
CB350/400 / Re: I think I've done something wrong!
« on: December 27, 2023, 12:01:42 AM »
Yes, I saw that on the photo also, although I didn't notice it on the shaft itself. I'll have a look at it in the morning. I'm (almost) sure I put lactate on the bolt, but maybe not.

And the dowel puzzled me too. I'm assuming that is what it is because it is missing  :-\

I was referring to the disc. If it is not on the fiche, how can I order a new one, assuming it is available?

So is it OK to turn over the engine now to see if the remains of the dowel have fallen through, or are lodged somewhere?



15
CB350/400 / Re: I think I've done something wrong!
« on: December 26, 2023, 11:00:49 PM »
Cam sprocket bolt came out, somehow dislodged the left rear dowel, which got jammed between the chain and body.

This is where the dowel ended up:
[ Guests cannot view attachments ]

This is where the bolt ended up:
[ Guests cannot view attachments ]

And this is what they looked like:
[ Guests cannot view attachments ]

The only other damage I can see is this:
[ Guests cannot view attachments ]

[ Guests cannot view attachments ]

So it looks as of I might have escaped lightly. The one question I have now is what has happened to the rest of the dowel. if this has dropped down teh cam chain tunnel, will it be safe to run the engine? Is there anywhere else it could have gone?

There is what looks like a large washer - can't think of another way to describe this - on the camshaft sprocket, which is held to the sprocket by the bolts. it looks as if it has been bent but I cannot find it on the parts fiche. will it be OK to simply put this back in place and bolt it back to the sprocket? To replace it would require removing the camshaft.


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