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Messages - AshimotoK0

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1
Misc / Open / Re: 2K rattle cans
« on: Today at 11:11:50 PM »
Has anyone used the 2K rattle cans where you press the valve in the bottom to add the activator?

Was thinking about using them on my 550 frame.

I have used Spraymax2k clearcoat gloss and satin (made in Germany)  and another make of 2k high build primer ProXL (made in UK) and they are truly excellent, particularly the clear. The finish is excellent and the spray pattern is too and consistent right until the end of the can.

However, they usually contain isocyanate so I invested in an air fed mask.

Had a run in with ProXL. Bought their high build 2k-in-a can high build primer/ filler and it stated on all eBay sellers descriptions and the manufacturers product date sheet that it did NOT contain isocyanate. Bought 2 cans to try and in tiny print on the can is stated "contains isocyanate'. I called the manufacturer in the UK and the lady on the phone was adamant that it doesn't contain isocyanate,  so I challenged her why the can says it does. She said she would refer it to their tech people and get back to me. Heard nothing, Phoned again 2 weeks later and no more info, so I told them to get their act together. Then got an email telling me it DOES contain isocyanate and they were amending the datasheet. Checked online a month later and datasheet not changed so I told them they had 2 weeks to change it otherwise I was going to report them to the HSE. Couple of days later datasheet  got changed accordingly  but not checked the eBay sellers.

I think some companies may  sell non-isocayante cured clear coat like RS Bikepaints ... not so sure in a 2k aerosol though....  but heard  it stays like a fly paper for ages and generally inferior.

Best place for Spraymax2k clear is Graff-City ... not cheap but goes a long way and if you get 3 cans it's free delivery over £60

https://www.graff-city.com/spray-paint-c128/spraymax-2k-clear-coat-gloss-400ml-p4243/s21760?cid=GBP&glCurrency=GBP&glCountry=GB

UPDATE ... Blo*dy 'ell eBay seller still not changed description.  >:(

https://www.ebay.co.uk/itm/174189057836


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2
CB500/550 / Re: Carb Cleaning Tips?
« on: Today at 10:43:02 PM »
Many years ago I used to mix relatively large quantities of HF with other acids to make a reagent for etching certain types of stainless steels. Head to foot PPE in a room with fume extraction and a shower activated in an emergency by stepping on a footplate. Highly corrosive and toxic.
I didn't realise it was used in alloy wheel cleaners, I guess (hope) its in a low concentration.

Alan

https://www.jennychem.com/products/aliclean-super-very-effective-solution

Can't find a Jennychem safety data sheet for it but in another brand its stated as< 7%

I suspect that the concentration has gone down over the past few years.

3
CB500/550 / Re: Carb Cleaning Tips?
« on: Today at 06:45:51 PM »
On one of Allen Millyard’s videos on YouTube, he put carb bodies in a bucket of water mixed with alloy wheel cleaner.

Left them in for a few minutes until the water stopped fizzing and they came out pretty good.

Hope it's not the alloy wheel cleaner that used hydrofluoric acid ... really nasty stuff that. I have 5l of it that somebody gave me  but always chicken out of using it.

4
Project Board / Re: 1967 CB450K0 Black Bomber Rebuild - By Royhall
« on: March 27, 2024, 09:19:30 PM »
That regulator is confusing I know. On the Honda system it's a 3 wire unit with a sense to the battery voltage but on the Kwak one it's just a connection between ground and the AC output.

I have illustrated the Kwak diagram . You need to connect the Yellow/Green wire to YELLOW on your Honda and thde black to ground (battery negative).

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5
Project Board / Re: 1967 CB450K0 Black Bomber Rebuild - By Royhall
« on: March 27, 2024, 03:33:56 PM »
Sorry Mo ... not sure what you need from me ... it sounds like you have the wiring details pretty much sussed out if you are wiring directly and not going through the bikes main loom ? Or am I missing something?

6
Misc / Open / Re: How do you decide it's time to buy a new bike
« on: March 27, 2024, 03:31:58 PM »
Tiddler  ;D  S90, S65, YAS1, PC50  or if deep pockets CB92
I can recommend a YAS1,


had one from new,
Truly magical to ride,
Build quality not as good as Honda

Allen Millyard has a lovely YAS1 he rides around picking his parts up.

7
Desperately Seeking!! / Re: Honda CB250 or CB360 G5 Wanted
« on: March 27, 2024, 03:29:07 PM »
I have owned a CB350K since 1985 and done a lot of miles, including, rather insanely, touring in France.  Get as low a mileage as you can, clean the centrifugal oil filter all the time, change the oil very often.  The biggest problem I have experienced is with crankshafts, sadly, they cannot be rebuilt, the big ends go and then it is hard to find good second hand ones.  I'm on my third crank now, although I only ride it gently these days and then not very often.  They also get hot and bothered in heavy traffic and the clutch starts to drag, and the CV carb sliders stick causing them to be sluggish on one cylinder.  I got round this problem by fitting slide carbs and now it runs better than it ever has, much more responsive. (fans of originality please ignore that comment  ;D)

They are a fun little bike, but they are small and I always wished Honda had made a 650 version.

My friend Graham Curtis rebuilds Honda pressed together cranks  inc. CB250/350K. He rebuilt my CB450K0, CB72 & S90 crankshafts.

8
Desperately Seeking!! / Re: Honda CB250 or CB360 G5 Wanted
« on: March 27, 2024, 10:13:27 AM »
Personally I prefer the looks of the K0 and K2 UK bikes but never sold here in 350 (well actually 325cc) versions only 250's. CB350 only sold here at K4 upgrade. CB350G not G5 not sold here but basically a K4 with CB350F disc brake front end. Also sold as B4 model in Europe ( Germany etc)

9
CB350/400 / Re: Carb overflow tube size
« on: March 27, 2024, 06:40:13 AM »
I recently bought some from Planet Silicone on eBay in nitrile rubber. Pretty sure the OD is slightly larger than the Honda original though (for 400F)

10
Misc / Open / Re: How do you decide it's time to buy a new bike
« on: March 27, 2024, 06:38:28 AM »
Tiddler  ;D  S90, S65, YAS1, PC50  or if deep pockets CB92

11
CB350/400 / Re: CB400F Air Cleaner Lid
« on: March 26, 2024, 10:49:26 AM »
Great ingenuity  ;)

Someone in the UK is 3-D printing them and selling on eBay UK

https://www.ebay.co.uk/itm/176291125564

12
Desperately Seeking!! / Re: Honda CB250 or CB360 G5 Wanted
« on: March 25, 2024, 07:21:02 AM »
I would definitely try to get an import (or an import that has been restored) with the lowest possible original mileage otherwise you are in a world of pain, parts hunting and expense if the top end is shot ( which lots are). You probably know this already but the cam runs directly in the head/cam cover and the cam and rockers are notorious for some of the most horrendous damage you will see on any Honda from the 1970's. The cam chain tensioner was modified (recall), so a later bike is desirable or check that the tensioner has been upgraded.  The whole situation was worsened by having no removable cover to clean out the centrifgal oil filter. You had to remove the exhaust and clutch cover etc to gain access ... so many owners didn't bother.

These are before and after pics of a 2k mile bike I pulled out of a delapidated shed ( been there 35 years+) and sold to a guy in the NE who did a cracking job on it's resto. Cost him quite a bit to restore but the engine was perfect though. I always thought they looked a really pretty looking bike and since I sold that one the popularity (and price) has rocketed with time.

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13
SOHC Singles & Twins / Re: My first project - 1974 CB360 K0
« on: March 24, 2024, 07:41:03 PM »
Not sure on the exact sizes of the original rubber sleeving but this may be a starting point .. they do many other sizes.

https://www.ebay.co.uk/itm/285006013277

14
CB500/550 / Re: One for Laverda Dave !
« on: March 23, 2024, 10:31:48 PM »
I can't help but wonder how a cardboard box could support a heavy  cargo like a motorcycle. :-\

It also had a wooden framework like this.

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15
CB500/550 / Re: Re-chromed Silencer
« on: March 23, 2024, 06:37:42 PM »
You did well there Ian as I have not had the same luck with them. But there again one of the few places that will rechrome a used exhaust.

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