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Messages - AshimotoK0

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6571
CB750 / Re: rust inside tank
« on: March 07, 2010, 01:54:40 PM »
All of the later tanks have some wrinkling but the original Sandcast ones / some K0 you can see the wrinkles whilst looking in the filler cap hole.

6572
CB750 / Re: rust inside tank
« on: March 07, 2010, 12:15:42 PM »
Hey Jock - take a magnet to your filler flap- if it is non-magnetic then on no account bin it because these are really rare K0 items and cost a fortune (LIKE 180 Euros !!! from Yamiya who call them 'Antimon'). Mine had one on and I have had it rechromed but its not perfect. Evidently they  pitted very quickly and replaced by the steel one.



http://www.yamiya750e.com/index.php?main_page=product_info&cPath=32_80&products_id=654

This tank has appeared on Ebay BTW

http://cgi.ebay.co.uk/HONDA-CB750-SOHC-Fuel-Tank-1973_W0QQitemZ150421122335QQcmdZViewItemQQptZUK_Motorcycle_Parts?hash=item2305cc2d1f

6573
CB750 / Re: rust inside tank
« on: March 06, 2010, 05:28:12 PM »
Jock - if it has wrinkles visible through the filler cap then keep it and restore it whatever, as these are ultra rare. Mine does not have this feature although it was built in Oct 1969 and I am convinced it is the original tank shipped with the bike to the UK in Jan 1970.

The painter I used recommended Flowliner if the inside is rusty but you need to treat the rust first. I think some of the tank preps come with a rust remover (possibly phosphoric acid).

http://www.flowliner.co.uk/

Look here for help on the SOHC4 Us site. This is always your first stop for info.

http://forums.sohc4.net/index.php?action=search2

Search for tank, rust, etc there is lots on there but it can take a bit of finding

If it is really bad and non wrinkle then a later tank should be available to restore on Ebay but make sure the tap is on the same side as yours as Honda switched sides on later bikes.

cheers

Ash

PS who is rebuilding your motor? what kind of condition was it in?

6574
CB750 / Re: Vic World Sandcasts
« on: March 04, 2010, 08:29:56 PM »
Here is another decent clip on the CB750

http://www.youtube.com/watch?v=NoTaRRhOC2U

PLUS

http://www.youtube.com/watch?v=4-FstCKzbzQ

PLUS

http://www.youtube.com/watch?v=yeMgEuf30G4

6575
CB750 / Re: Vic World Sandcasts
« on: March 04, 2010, 08:24:21 PM »
 :D If you think I have it bad you ought to talk to the guy UK Pete bought his K1 from.

BTW they see plenty of me but spend their lives on Facebook!! And the wife is in a play at AmDram at the mo and it's too cold to work on the bike - plus i need a conrod!

6576
CB750 / Re: Vic World Sandcasts
« on: March 04, 2010, 07:12:43 PM »
See the other parts too e.g.

http://www.youtube.com/watch?v=6V0JUeTcRyI&feature=related

6577
CB750 / Re: Vic World Sandcasts
« on: March 04, 2010, 06:49:19 PM »
Honda even had to buy one off him for their Museum as seen in 'Twist the throttle" on Discovery.

http://www.youtube.com/watch?v=sHtKYuXex-g

If you watch it look out for the American Honda Guy who has the cheeseyest   ;D grin I think I have ever seen !!!

cheers

Ash

6578
CB750 / Vic World Sandcasts
« on: March 04, 2010, 04:27:23 PM »
This is really intended as a bit of bedtime reading for 'UKPete' but if you have not seen it already, it makes interesting reading

http://www.worldmotorcycles.com/Pages/MC-Retro-Article.html

cheers

AshD

6579
Misc / Open / Re: eBay Fees Going Up Again...
« on: March 04, 2010, 01:21:56 PM »
+1 on that Pete they bought up Yahoo auctions years ago, which I thought was really good and prices were realistic.

6580
Misc / Open / Re: Re-chrome luggage rack
« on: March 04, 2010, 01:20:15 PM »
There is a Chromer near me  in Hull which the M/C classic mags swear by but I found that the parts I stripped myself and polished came out great but the ones I left them to do were not so good.

BTW here is the 'Ashimoto' tip about checking if you have removed all of the nickel. You rub over with 'Coppering solution' used by old guys for marking out steel in the olden days. Anywhere there is still traces of  nickel will not be flash coppered. The copper is dead easy to remove because you need a cyanide electrolyte to copper plate properly onto steel (or some modern chemical complex).

With a large item like a rack though it may be best for them to deplate in their tank.  Be warned though - Plalting is not cheap and good platers are hard to find and when you do, they usually take the time they quote you  muliplied by Pi to get it done.

6581
CB750 / Re: K series tanks similarities
« on: March 04, 2010, 09:23:14 AM »
I think that after the initial 'wrinkle' Sandcast /  early K0  tanks, the shape was the same until the K7 (which is vastly different) but at some point the petrol tap (petcock) changed sides.

6582
CB750 / Re: Is this another Ebay bad deal
« on: February 28, 2010, 03:39:35 PM »
Not sure on K7 tank trim - never actually seen it on the bike. Perhaps someone else knows.
I did the same bit of detective work on a really nice K0 that went for 10k last year, he too had bought mini trim but the bike was spot on and probably  worth the money if you looked into the detail. If you look into a sellers history it can reveal sources of parts (like in the US/germany) that you may normally  overlook (like a cb250 camchain for a 750 or an oval UK rear lamp from a Honda C50/Cd175)

I also saw someone bid 150+ plus for the tank trim with the black stripes which was NOS Genuine Honda on Ebay recently. You can still buy this brand new from David Silver for a fraction of that price.

6583
CB750 / Is this another Ebay bad deal
« on: February 27, 2010, 02:18:48 PM »
Don't want to mention any names here but I saw some 'K0/Sandcast' tank trims go on Ebay for over 80 quid last week.

Looking into history I saw purchase of mini car trim (as I suggested as a substitute for the original item  http://www.sohc.co.uk/index.php?topic=2464.0)

The K0 / Sandcast does not have the black stripes in it. (interestingly the 'Brighton Show' bikes I think did have the black stripes)

The mini trim in the 'history' was:

http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=310125757275

Bit cheaper than 80 quid !! and would be enough for several tanks!!!!!!!!!!!!!!

6584
CB750 / Re: carb insulators
« on: February 27, 2010, 12:21:22 PM »
Welcome too from me Ashimoto

Have a look at this and my reply to it stripped out below.

I will probably get NOS in the end but it's an interesting excercise

http://forums.sohc4.net/index.php?topic=62328.25
   
Re: Wintergreen oil_rubber renew test / peanut oil plastic renew test_pics

6585
CB750 / Re: Candy Ruby Red k1
« on: February 27, 2010, 12:09:03 PM »
You are probably right Pete just keep it as standard with its patina and enjoy it. Glad it worked out OK with Chris - I wish there were more people like him on Ebay. Turns out both Chris and I got our hard to find bargain 400/4 NOS bits off David Silver as a result of his first ever advert in MCN in 1986 when he got his hands on a container load of obsolete Honda bits. BTW hope the missus didn't give you too much grief about the bike Invoice

cheers

Ash

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