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Messages - cliff7

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1
Announcements / Re: Another legend gone
« on: October 07, 2022, 03:30:15 PM »
Phil Read

2
CB500/550 / Re: Carburettor overhaul company
« on: July 04, 2022, 04:37:00 PM »
Is Matt Harper (Nantwich) still doing carbs?

3
Humour / Re: Scooters are not real bikes...
« on: July 30, 2021, 03:56:18 PM »
My first motorised transport was one of these [ Guests cannot view attachments ]

4
CB350/400 / Re: 400 F2 Noise
« on: June 11, 2021, 11:39:35 AM »
K2-K6 might have a point. even with mixture screws over 3 turns out bike idles and revs with no hesitancy. Too rich? Idle jets? Float level? Will investigate.

5
CB350/400 / Re: 400 F2 Noise
« on: June 11, 2021, 11:07:57 AM »
I will try weakening idle mixture as recommended and also contact Matt (Harper) to see if he had any problems with idle jets when he rebuilt carbs. Will concentrate on getting idle as smooth as possible before doing anything else. Thanks.

6
CB350/400 / Re: 400 F2 Noise
« on: June 11, 2021, 10:03:28 AM »
Thanks for input. Carbs were bench synced about 50 miles ago and very slightly tweaked by me using vacuum gauges. As an (ex) car mechanic I am not too bad at wielding spanners and hammers and things but I don't like taking things apart when I have no idea what I am looking for. I think I will take it to a local (North Wirral) motorbike shop, who coincidentally has an immaculate looking CB400F in at the moment to see if he can cast some light on the problem.

7
CB350/400 / Re: 400 F2 Noise
« on: June 10, 2021, 07:26:28 PM »
Many thanks for replies. Previous owner had it for about 2 years but hardly used it. Owner before him passed on loads of invoices and notes but not a proper diary. it goes quieter when revved. Clutch rubbers have screws holding them rather than rivets and I can't get any movement by hand. Tappets have been done and checked again. Timing seems spot on. Horseshoe is free as a rod down blanking screw hole moves up when rotating engine backwards. Had sump off but not sure how to check primary chain. Oil light goes out immediately on start up. Wish I lived closer to those that might know. Thanks again. Oh, and noise doesn't seem louder with dipstick removed.

8
CB350/400 / 400 F2 Noise
« on: June 10, 2021, 12:52:05 PM »
I  wonder if anyone can help identifying a noise on my bike. I have had the clutch apart and everything seems in order (to me) and clutch rubbers seem to have been replaced with no obvious back and forth play.
https://youtu.be/87jPjI33DMw
Engine was supposedly rebuilt not too many miles ago. Don't know whether I have done the YouTube link right.

9
CB350/400 / Re: 400 f2 carbs
« on: June 10, 2021, 11:08:11 AM »
Right, I'm not very computer savvy but know a man who is. He's out on his FJ1200 at mo but will ask him when he's back. Thanks.

10
CB350/400 / Re: 400 f2 carbs
« on: June 10, 2021, 10:43:12 AM »
Thanks. I'll try that and yes, it will stall when main idle screw is set low. Rubbers are a bit hard but no problem fitting carbs. Also trying to work out how to upload a video so maybe someone can help me identify a mechanical noise (clutch?) on idle.

11
CB350/400 / Re: 400 f2 carbs
« on: June 10, 2021, 10:02:43 AM »
Thanks for response. I have screws set about 2 turns out and even when screwed right in (gently) the bike still idles. Does a plug check on idle help as previously I have only done this on more open throttle settings? Maybe a colourtune!

12
CB350/400 / 400 f2 carbs
« on: June 09, 2021, 07:48:53 PM »
My bike starts first time and seems to perform cleanly through the revs. It idles fine at 1200rpm and will idle slower although a touch lumpy. However the idle mixture screws do not seem to make a lot of difference when adjusted. Is this normal? The carbs were professionally rebuilt last year.

13
Misc / Open / Re: Vacuum bags
« on: March 10, 2021, 02:13:39 PM »
On storing bikes I would appreciate any advice on stopping the clutch plates sticking, or am I the only one who has this problem?

14
Humour / Re: I can see huge one
« on: February 24, 2021, 01:53:27 PM »
Nice Gwatkins cider in The Eagles Inn in Rhayader, a biker's pub.

15
CB500/550 / Re: Reg/rec wiring
« on: February 14, 2021, 11:01:19 AM »
As far as I can see, the Electrex regulator (RR24) for your bike also has a white wire that goes to the field coil so I would say David Silver sent you the wrong one. Possibly!

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