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Messages - mattsz

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1
Project Board / Re: New (to me!) '77 CB400F - US model
« on: July 18, 2021, 10:51:25 AM »
Cheers, guys!

2
Project Board / Re: New (to me!) '77 CB400F - US model
« on: July 16, 2021, 07:08:35 PM »
Hope to see you back with another flavour of CB. 🏍🙂

Thanks Gareth!  Not likely any time soon, but I do still have a large library of photos, notes and wiring diagrams for the 400, so I'll continue to lurk if nobody minds...

3
Project Board / Re: New (to me!) '77 CB400F - US model
« on: July 16, 2021, 11:33:39 AM »
Well guys - time for a final post to this thread... my CB is moving on.  I never did sort out the stumble off idle - I got lazy about it since once the bike was moving, it ran well.

Once I started putting some miles on it, it didn't take me long to come to pretty much the exact same conclusions as Nurse Julie did - both about her old 400 and her new 500 (I have a larger parallel twin as my daily rider):

I would have to say that riding Hettie was like trying to ride a wasp in a bad mood 😁😁😁😁 Yes, she was very nimble, cornered exceptionally well but, she was very small and light, too small and light for me actually, she was bloody hard work to ride, up and down the gears all the time to keep her revving high but, I absolutely loved riding her because she was such a challenge. The exhaust note was a real scream when riding hard and she was certainly not a lazy riders bike.
Kitty is a totally different ball game, get into 5th gear and she cruises along lovely but, I can overtake a car, or get a move on without even changing down. The handling is superb, very positive around tight bends, the exhaust tone is very 'refined' but sounds fantastic, even when riding quite hard and she obviously revs a lot lower than Hettie. The size and weight is better, although I do prefer the heavier weight of the 750's when riding.
When Kitty is run in fully, I can see I'm going to have great fun on her but in a slightly more sedate way than the fun I had on Hettie.

I live in the middle of nowhere and I know the USA market for these bikes seems to vary wildly between different locales, so I thought I'd take a chance and list it as an auction on Ebay - it's now sold.  Hopefully the next owner will enjoy it for what it is.

Thanks to everyone here who was so helpful during the long period it took me to simply get the bike on the road!  I learned a lot and hopefully contributed something useful occasionally as well...

4
CB350/400 / Re: Unconnected green wire near fuse block
« on: May 08, 2021, 07:52:34 PM »
Your most likely a long lost cousin Matt so I suppose we’ll tolerate you  :)

The main reason I'm here!  Any place that tolerates me is a winner in my book...

5
CB350/400 / Re: Unconnected green wire near fuse block
« on: May 08, 2021, 07:34:44 PM »
All I saw was USA 400 and assumed it was an import as why would a yank be posting on a uk forum when they have their own.

See my previous post...  ;)

6
CB350/400 / Re: Unconnected green wire near fuse block
« on: May 08, 2021, 05:18:58 PM »
Well you did ask the question on the UK site not the US one

Naturally... the UK site is much better!

(Shhh, don't tell the US guys I said so!)

7
CB350/400 / Re: Unconnected green wire near fuse block
« on: May 08, 2021, 03:21:34 PM »
Mine isn't an import.  Or is it?  I guess all of them sold outside of Japan are imports!

Seriously, though:  USA bike in the USA...

8
CB350/400 / Re: Unconnected green wire near fuse block
« on: May 07, 2021, 09:02:18 PM »
You've got it spare because that's not a genuine indicator relay.

Huh.  I figured it might genuine, since it works in a mediocre fashion, like I assumed an original relay going on 45 years old might...  ;)

9
CB350/400 / Re: Unconnected green wire near fuse block
« on: May 07, 2021, 05:39:57 PM »
Sorry Mattsz, my error, I meant to say indicator relay, not starter really 🙄🙄🙄🙄

Oh, well, that's different!  In that case - I'll leave it alone...   ;D

10
CB350/400 / Re: Unconnected green wire near fuse block
« on: May 07, 2021, 05:35:33 PM »
If your starter relay has 3 terminals, the green earth fits on one of them. If its a 2 pin relay, like most of us use these days, just leave the green earth unattached.

Thanks Julie!  Personally, I've never come across a 3-terminal starter relay - but no matter... I'll leave it alone...

11
CB350/400 / Re: Unconnected green wire near fuse block
« on: May 07, 2021, 05:17:22 PM »
Now that I look closely at the diagram, it appears even there that the green wire goes to the turn signal relay, but doesn't connect to it?


12
CB350/400 / Unconnected green wire near fuse block
« on: May 07, 2021, 05:13:30 PM »
I searched a bit and didn't find anything.  I'm sure it's been discussed... probably even by me at some point!  Here goes anyway...

What's with the unconnected green wire behind the left-side panel?  Extra connection for the turn signal relay?

USA '77 CB400, btw...

13
Project Board / Re: New (to me!) '77 CB400F - US model
« on: May 05, 2021, 10:29:10 PM »
Set the air screws at 3/4 turn out and try it like that.

Military range finder theory, fire one short, one over the top,  then you know the target is somewhere between the two  :)

Essentially you're trying to find IF it changes and then look at the results to see what it tells you.

Will do, thanks!

14
Project Board / Re: New (to me!) '77 CB400F - US model
« on: May 05, 2021, 07:54:22 PM »
Hi guys - it's been awhile!

I've got the bike out of storage and back on the road... it's where I left it last autumn... starts well, idles well, stumbles mightily when pulling away from a standstill unless I rev it up to 3k-5k rpm as I slowly ease out the clutch... once underway it pulls well through all the gears and normal rev range.  I'm actually quite happy with how it runs... except for that stumbling.

When I cleaned and bench-synched the carbs, I set the pilot screws to two turns out which seems to work well for the most part, other than the above - I followed some advice here and tried screwing the screws in 1/4 turn... which didn't seem to make a difference.  Any other thoughts?

15
CB350/400 / Re: Starter motor no go.
« on: October 10, 2020, 10:04:15 AM »
Cheers, guys!  Maine winters are long and cold...

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