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Messages - Laverda Dave

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2491
Other Bikes / Re: And we thought NOS HM300's were expensive !!
« on: August 24, 2016, 07:25:47 AM »
It makes the £6.52 I paid for a 2.8 x 15mm o-ring last week appear like a bargain!

2492
Project Board / Re: CR750 replica build
« on: August 17, 2016, 05:35:08 PM »
Good luck with build and enjoy the long nights in the shed  :).
One piece of advice though, get the frame checked for alignment before you paint it especially as it's been fitted with another front end.
The last two restorations I've completed both had frames that appeared fine but were both out of alignment once placed in a jig. It cost me £80 to have each one checked and straightened. Money well spent, the last thing you want is to finish a build only to find it doesn't handle.
You will need to fit the engine (bare crankcases will do,it doesn't have to be together), the swingarm, rear shocks, back wheel and the top and bottom yokes to be really thorough.
I used Hybrid motorcycles in Sarratt,  Middlesex.
Dave

2493
Project Board / Re: 1976 CB750 Cafe Racer Build
« on: August 17, 2016, 05:19:17 PM »
Fantastic build and great write up. Enjoy it :)

2494
CB350/400 / Re: Wet blasted casings
« on: August 16, 2016, 10:38:25 PM »
No Trigger, not Wolverton,  it was in London.

2495
CB350/400 / Re: 400/4 wont rev past 4000rpm when under load
« on: August 16, 2016, 05:44:58 PM »
Thanks Chris that's a helpful link especially about the throttle screw.

2496
CB350/400 / Re: Wet blasted casings
« on: August 16, 2016, 04:47:04 PM »
 :o £2k to fill the tank with acid! Maybe I could try a washing up bowl full of coke!!
Back in the day when I worked in a train overhaul works I had access to that sort of cleaning kit, and blasters, stove enamelling, zinc and chrome plating, not anymore, those days have well and truly passed  :(

2497
CB350/400 / Re: 400/4 wont rev past 4000rpm when under load
« on: August 16, 2016, 01:43:08 PM »
I have set my carb floats using the Haynes method although I haven't yet started the bike. Is there another secret method I should be using?
Dave

2498
CB350/400 / Re: Wet blasted casings
« on: August 16, 2016, 01:37:08 PM »
Lovely finish there Trigger.
My next project after 'project 400' is the restoration of my Rickman CR750 and it's festering engine. I'll try your method to clean it up.
Dave

2499
CB350/400 / Re: Wet blasted casings
« on: August 15, 2016, 11:13:02 PM »
I had my castings vapour blasted for the same reason, i couldn't clean them up even by soaking in paraffin and when that failed, using a dishwasher tablet in boiling hot water for a couple of days (someone told me it would work....!).
After I got the blasted cases back I cleaned them three times   with gunk and boiling hot water and then a final 80psi air blast.

2500
CB350/400 / Re: Carb base settings
« on: August 13, 2016, 12:07:30 PM »
Thank you both, very helpful and going out to set the carbs now.
The adjustment tool is the same on both sites. The M&P item is £4 cheaper.  I have one on order.
Dave

2501
CB350/400 / Carb base settings
« on: August 10, 2016, 10:31:36 AM »
Hi All.

I have fully rebuilt the carbs with an ultrasonic clean and vapour blasting. I have installed new jets an re-platted and polished the parts that needed it.

Having re-assembled everything does anyone know of the base settings I should be using in order to start the bike?  The manual gives the range of the idle screw settings but is there also a setting for the balance adjusters to start from? I have presently screwed all mine right down. I have checked the on-line shop set up manual for clues with no joy.

Does anyone know where the 'special' tool can be bought from that allows the balance nut to be undone and the centre screw to be turned at the same time? I remember this was a Honda special tool years ago.

Any help would be appreciated.
Dave

2502
CB350/400 / Re: Console (idiot lights) cover wanted
« on: August 05, 2016, 06:36:03 PM »
Once again, what a great site this is:-).
Trigger, thank you for looking and your reply.
Piki, Thank you and PM sent.

2503
CB500/550 / Re: cb500 four coil suppliers
« on: August 03, 2016, 10:44:49 PM »
I bought a set from M&P, they are pattern parts though so if you want to keep it original use the Ash repair guide.

Just for info though, there was a previous thread on here about making sure pattern coils have a 4-ohm resistance if using electronic ignition systems as a number of pattern coils sold on e-bay are 2-ohm and will cause damage to the ignition system.  M&P told me their coils were 4-ohm, when I received them I checked to be on the safe side as I have a brand new Boyer system to go in 'project 400/4' and they were as described, happy days :)
Dave

2504
CB350/400 / Re: Console (idiot lights) cover wanted
« on: August 03, 2016, 10:32:19 PM »
Do you have another one please Trigger!
I had one on order from DS, they were getting a pattern one from the US but called me today to advise there are no more available and they have no plans to manufacture anymore in the near or distant future  :-[
The one I have on 'Project 400/4' is cracked and has two broken lugs, the clocks are now fully restored and need a decent console to fit between them!
Happy to pay, I don't expect a freebie  :)
Dave

2505
Other Bikes / Re: Headlamp compatibility
« on: August 01, 2016, 03:29:32 PM »
I have a Cibie unit without the adaptor ring, the person before me had used bathroom mastic to fit it into the rim  :-\
There was a rough s/h unit on e-bay last week with the reflector chrome going rusty, I only wanted the adaptor ring and even that was rusty!, I was outbid, it sold for about 15 pounds  :-[.
The one on e-bay at the moment is being sold by bike pusher, he sold one similar a few weeks ago, I gave up when the bidding reached 40 pounds on that one and this one is likely to go the same way. I have today ordered a DS unit for 29 pounds, it has an H4 bulb so good enough. I'll keep the Cibie in case an adaptor ring turns up at a good price.

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