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Messages - billdn

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61
CB350/400 / Timing light gun/strobe
« on: September 09, 2022, 02:34:38 PM »
Have recently bought this, see below, and wasn't until it arrived, I discovered that it's not suitable for motorcycles, didn't read all the sales blurb doh.
So, my question is what do you peep's use? Don't want a super duper whizzo jobbie. just something middle of the range, reliable.


Draper 52616 Pistol Grip Xenon Ignition Strobe Timing Light, 12V , Blue
Visit the Draper Store
 4.5 out of 5 stars    1,264 ratings

Tried it but doesn't pick up on#1 cylinder but does on #4, probably why not suitable for cickles?
 

62
Member 4 Sales / Pair of mirrors from 400/4
« on: September 07, 2022, 10:38:06 AM »
Not marked as Honda so not sure but came with bike. Used, some minor wear and tear but chrome generally on good order. £10 plus postage

63
Member 4 Sales / Spare ignition starter switch
« on: September 07, 2022, 10:30:57 AM »
Spare, boxed DS starter switch £10 plus postage.

64
Member 4 Sales / Spare unused rectifier
« on: September 07, 2022, 10:29:35 AM »
I have a spare unused but unpackaged rectifier. (DS pattern part) not used as switched to combined regulator rectifier unit. £45 plus postage.

65
CB350/400 / Re: Refitting exhaust and stud for collars too short 🤔
« on: July 14, 2022, 02:34:26 PM »
Doh! Doh!
Thought I'd already removed gasket before blasting, obviously not.
Senior moment ...again!
I blame the heat here in Sussex 😅🤣

66
CB350/400 / Refitting exhaust and stud for collars too short 🤔
« on: July 14, 2022, 01:57:52 PM »
Just in the throes of refitting exhaust and I'm finding that there is insufficient thread to secure the collar. The studs were removed because I had some blasting done to clean up engine.
The studs are 47mm long, as part manual says for F model.
The stud is screwed fully home in the head   but if I wind it out a bit the collar fits fine. The thread length on the stud is the same both ends, so it's not in wrong way round.
Should I just back out stud from head enough to secure collars then tighten?

67
CB350/400 / Re: Stiff old wiring !
« on: July 07, 2022, 03:06:07 PM »
Like your logic, this machine has fought me all the way and chasing my tail electrically doesn't enthrall me!
Bitten the bullet,  new loom on order 👍, must be at least a week that DS haven't had an order from me ! 🤣

68
CB350/400 / Stiff old wiring !
« on: July 07, 2022, 10:48:11 AM »
Following rebuild engine back in frame and a battle with carb air box , all seemed to be going well BUT having a bit of aggro with the loom around air filter box area, it's the original loom and has obviously hardened into it's position over the years  any tips on how to make it more malleable/ pliable to allow some connections to actually reach. A gentle application with heat gun springs to mind but are there other tricks?
Other than purchase a new loom 🤣

69
CB350/400 / Re: Don't think that's a stripped helicoil
« on: June 12, 2022, 07:40:42 AM »
Cheers all! At least it's not ripped out helicoil.

70
CB350/400 / Don't think that's a stripped helicoil
« on: June 11, 2022, 05:54:20 PM »
Further to my last post on stripped helicoils. I now don't think it is the case.
In the attached picture the "material " on the left is what was attached to bolt thread when I removed it  next to it is a new m6 helicoil for comparison.
1) the piece on left is not magnetis, ie not metal like a helicoil
2) Appears finer material than a helicoil.
3) If I offer up the bolt to the hole it still screws in 🤔 although not torqued up as not on the engine.
Any ideas and no I didn't over tighten it when I put it in.
Is it possible to pull out the thread from alloy or something else going wrong 🤔

71
CB350/400 / Re: Helicoils pulled out, replace or go size up?
« on: June 08, 2022, 09:39:37 AM »
Get yourself a V-coil kit and re-tap and put a new coil in >>> Link >> https://www.ebay.co.uk/itm/354074603431?hash=item52707dafa7:g:jqIAAOSw3qpimPFJ
Thanks Trigger!
I have a helicoil kit but not the one you mention. I'm  guessing over the years experience has shown that this to be the better , more durable and precise tool ?

72
CB350/400 / Re: Helicoils pulled out, replace or go size up?
« on: June 07, 2022, 08:32:29 AM »
If they have unscrewed you can replace them, if they have pulled out its a problem.
Are they short coils in deep holes? If so an answer is possible but complicated, i dont think there is metal for timeserts(they need a 10mm outer thread)

Cheers Bryan,
I would have said they've unscrewed rather than pulled out as not at full tension imo.
Although bolt is 60mm the threaded part is 15-20mm  in 25-30mm hole. Estimated measurements. 
Best guess is try and reinstall and see what happens , if that won't go in original helicoil thread then obviously they pulled out rather than come undone.

73
CB350/400 / Re: Helicoils pulled out, replace or go size up?
« on: June 07, 2022, 08:27:11 AM »
It depends on what the threads are like Bill. I take it you have all the tappets backed off fully and the rocker arms held up out of the way with rubber bands and if possible, someone pushing the cover down flat when you're trying to do the bolts up to reduce the pressure?. It's very rare to pull helicoils out unless there is an awful lot of pressure being exerted on them. If the helicoils had have been loose, why didn't they come out when you stripped the top end down 🤔🤔🤔
It's very, very easy to bend valves and crack the valve guides without taking the pressure off by doing the above.

Thanks Julie, all tappets fully backed off before assembly.  To be honest hardly exerted any pressure because I'd noticed they looked like helicoils when stripping down. I took them back out because just didn't feel right, you know that feeling of dread !

74
CB350/400 / Helicoils pulled out, replace or go size up?
« on: June 06, 2022, 10:24:48 PM »
So cam shaft in, see earlier post. While torquing up the 4 bolts on cam cover, 3 wouldn't tighten. So undid them and out come 3 helicoils installed by previous owner I presume.  The 4 bolts  are 6mm x 60mm and are the ones that fit around the cam chain sprocket in the cam cover.
Just one thing after another! 😤
So question is , can they just be replaced by putting in same size or do I need to go up a size, although not a lot of room for that ?
Fear I know the answer 🙄

75
CB350/400 / Re: Reinstalling cam shaft.
« on: June 06, 2022, 10:17:20 PM »
Go on, 'fess up!  ;)
Matt

Let's just say what happens in the shed but Ted's way works perfectly. Would helpkif I could tell my left from right.

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