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Messages - ComfySofa

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16
CB350/400 / Re: Fine tuning?
« on: February 25, 2024, 08:01:29 PM »
It has been in there yes but, I've taken it out around the block once a month.... Is there anything I can chuck in there to clear it out...

17
CB350/400 / Re: Fine tuning?
« on: February 24, 2024, 06:44:45 PM »
Its got a digital ignition on there (one from David Silver)

Ill check the plugs tomorrow.

Assuming its not running correctly then this will be a steep learning curve! i must confess im just happy that its still runnng!

Thanks for the reply.

Oh... Why is there exhaust fumes coming from the airbox?

18
CB350/400 / Fine tuning?
« on: February 24, 2024, 06:31:00 PM »
As above...not sure what it is...its not running i would say 100%....i had a carb leak last week....took the carbs out, took the bottom float bowls off of the middle 2.... gave them a good clean...which sorted out the leaking and i hasten to add it started a bit better also....its not really been used over the winter...went out on it earlier just to turn the engine over.....observations so far....

1. Doesnt want to tickover properly...i can turn the main idle up itll sit a 2000 but anything below it'll conk out...
2. When i got back i noticed exhaust fumes coming from the pipe underneath the airbox.
3. Have to give it lots of revs to pull away but not sure if thats the norm...could be just me...

So back to the original question....does it need a tune-up..? or is it the "way they are"?? as it were?

19
Desperately Seeking!! / Re: Looking for some decent fuel pipe....
« on: February 17, 2024, 07:43:42 PM »
Got a couple of types to try out....got a meter of this stuff....

https://www.ebay.co.uk/itm/402752048476 - which feels really nice...very maluable and thick but feels like itd be really easy to route...

And a meter of this stuff...

https://www.ebay.co.uk/itm/265896579530?var=565726260863 - thicker and not as easy but, does feel really good quality.... both are better than the one thats on there at the moment....fitting commences tomorrow.!

Thanks for all the sugestions...pics will be coming...

20
Desperately Seeking!! / Re: 400/4 cam chain bar
« on: February 17, 2024, 07:40:24 PM »
Ive got an OEM cam chain tensioner? Its done about 6k....

21
Desperately Seeking!! / Re: Looking for some decent fuel pipe....
« on: February 05, 2024, 08:54:35 PM »
Just looking at the ebay link now...so theyre showing 4.5 or 5.5 inner diameter...the one i had on there was 5mm inner diameter! so which size to i go for....is it really flexible? (if it is then thats great) - what size did you guys get??

22
Desperately Seeking!! / Re: Looking for some decent fuel pipe....
« on: February 04, 2024, 12:45:06 PM »
Hey - totally forgot about this!!

Gonna go through all the links now - thanks very much to all of you.! Biking comes to kind of a halt in the winter! - apart from me every week cleaning salt and shit off of the big zed (its my commuter!) - ironically im cleaning it now (and, just remembered)....

23
Desperately Seeking!! / Looking for some decent fuel pipe....
« on: January 22, 2024, 09:54:55 PM »
As above....i bought some of this but its shit and has gone rock hard....

https://www.ebay.co.uk/itm/154451339321

I looked for some samco fuel hose but the smallest i can see is 6.5mm the 400/4 is 5mm

Could someone point me in the right direction please...?! red would be nice but if its gotta be black for the sake of quality so be it!

Cheers all

Andy

24
CB350/400 / Re: 400/4 Garaged over the winter.
« on: December 28, 2023, 03:44:46 PM »
If were honest most of us have sometimes missed the obvious - not everyone has the courage to own up to a senior moment.

Just hope it does the trick.

Ive got no problem with that...! my head is pre-programmed for throttle body setup....ie you cant adjust anything unless its plugged into an ODB connection with a laptop on the end...so no, didnt even think about it...more than happy to admit im in the wrong....always learning stuff everyday....been in IT for 25 years and i still get schooled by guys 20 years younger than me and more...even my own kids..!

25
CB350/400 / Re: 400/4 Garaged over the winter.
« on: December 26, 2023, 07:56:45 PM »
Nope - that'll be me being an idiot!

26
CB350/400 / Re: 400/4 Garaged over the winter.
« on: December 26, 2023, 07:13:49 PM »
Hi there...probably a couple of hundred now...totall forgot about the idle screw (probably could have done that while i was out)

Bryan did say about 500 for the oil change...

27
CB350/400 / Re: 400/4 Garaged over the winter.
« on: December 26, 2023, 02:09:25 PM »
Righty...so sounds normal...although im 1 down 4 up....i will say that when i dipped into the 9k area it did seem more eager...just feels....tight, but then its just been rebuilt...as for the carbs they have been balanced but i will check for airleaks and what not....roo did ssay to me that the tappets being out can also affect power (and i know one side it still tappy, as it were).

Thanks for all the replies...always a learning process but just want to be sure (however it runs) is the way it should..!

28
CB350/400 / Re: 400/4 Garaged over the winter.
« on: December 26, 2023, 01:19:40 PM »
Thanks! So, just been out on it....up to the local bypass....open it up a bit....clear it out, as it were...

Its a good few months since ive been out on it and then, it had just been rebuilt so i only had a dozen go`s on it as it was freshly rebuilt (each time i opened it up a little more ) so im not really sure what to expect from it...

Back to today....nothing wrong as such but a few questions....

First and foremost the tickover is now on about 2k....so that needs adjusting....and that question....is that where its been left to stand or, just general adjustment (does it need that now and again)- or it is where everything is settling down..?

Next, power: i just took it up the local bypass...last time i was on it i was dipping into the 7 -8k rev range...today i took it a little higher...going up the bypass (literally a slight uphill slope - the A4174 if anyone is closeby) in top gear it wouldnt go past 7k - now i dont know why that is? is that where the motor hasnt been stretched (to use the best phrase i can) or is that a limitation of the engine/bike, im fully aware its not state of the art racer and that doesnt bother me in the slightest as its not for that, but want to be sure that theres not some other reason its down on power....but it might not be...that being said on the return downhil it was accelerating fine (dipped into 9k very quickly) - i must confess its quite unnverving taking an old engine that high but Bryan did say some time ago that its more than happy up there....

Far left hand bank is a bit ticky but ive got my adjustment tool now so thats the next on the cards. Ill be changing the oil soon as this is its first lot in there since the build.

As i say just general questions from someone who hasnt owned a carbed bike for well over 30 years and owning stuff at the other end of the spectrum (1100 Ducati twin) amongst other bikes ive got which is a lazy big potted motor that does all its work around 2 - 7k!!

Thanks all for the replies...

29
CB350/400 / Re: 400/4 Garaged over the winter.
« on: December 25, 2023, 11:33:00 PM »
Sounds like it might be easier just to give it a quick run every now and again... Must confess I'm not sure....

30
CB350/400 / Re: 400/4 Garaged over the winter.
« on: December 25, 2023, 11:28:35 PM »
Stabil.... Never heard of that's stuff before... I'll order some...cheers.

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