Honda-SOHC

Cheers for that Chris - your advice on here is greatly appreciated.  BTW I think UKPete now has the 'Bug'

Am I correct in assuming the valve cover is clear coated?

I know you use Simoniz 5-wheel silver  for the crankcases ( as I did on my 400/4 way back in '86) but what about the barells / head? Any recommendations?

BTW I found this on the early conrod replacement etc

http://data.sohc4.net/SB750/750_31.pdf

Interesting to note that all of the early rods were all matched to within 2.5grammes - perhaps it was to achieve the 'tumbler of water on the seat demo'

Have you ever used this stuff I mentioned in this post for rust treatment - its absolutely brilliant

http://www.sohc.co.uk/index.php?topic=2398.msg6240;topicseen#msg6240

cheers Ash D.

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.

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?

  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!

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    grin I think I have ever seen !!!

cheers

Ash

+1 on that Pete they bought up Yahoo auctions years ago, which I thought was really good and prices were realistic.

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.

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!!!!!!!!!!!!!!