Restoration of Sandcast #97

[4pots1969]

I'm jealous!! They are absolutely gorgeous!!
Congratulations to Sam

[UK Pete]

Mark that anodising looks awesome, i hope i can find someone in the UK to do mine to that standard
pete

[markb]

I finally got around to replacing the seal in my cam chain adjuster and installed it on the engine.  There are differences between the early sandcast and later holders.  In the first two pictures my original sandcast holder is on the left.  This view shows where the holder is spot-faced for the mounting screws.


The original one is also much rougher than the later one as shown here.


Here’s close up showing the rougher sandcast finish on the original.

[DW69K0]

Mark,
Your attention to detail and documented progress on 97 is inspiring!
Can't wait to gawk at the finished beauty!
DW

[markb]

Thanks Duane.

Here’s my rebuilt Tokico 1 caliper.  They were used on the early sandcasts.  As near as I can tell from old manuals the bleeder valve is black.  Is this correct?


Here’s a close up of the name.


Here’s a shot of the back side.


Note the knurled head screws and the long center rib (which extends down close to the pin on the brake pad) which are both characteristics of the early caliper.

[markb]

I also got my final drive flange assembly done.


It has the early 45 tooth sprocket.


Here’s a shot of the back side.


The early sandcasts have “8” head bolts for fastening the sprocket.

[4pots1969]

Mark, Very good work!! I think that the bleeder valve is black...
Just a note... Never of paint on the Caliper Holder...

[markb]

I'll have to check some of my other early ones.  I was sure they had paint.  Anyone else have holders with/without paint?

[Sam]

All of mine appear to have no paint.

[4pots1969]

I am categorical : no paint on this part...
It seems to me that this issue has been raised on the restoration of our friend Marcello #6457 / E-7083
After you do as you want...

Gerard

[CBman]

I agree with Gerard. Have not seen paint on caliper joint.

[markb]

Thanks for the feedback guys.  That's why I post here, to catch details like this.  I don't know how I missed it on Marcello's thread.

[markb]

Here’s a shot of my oil lines before working on them.  I would like be able save them since they are the original rubber lines.  Whether or not they will leak is yet to be seen.


Here is after working on them.  I flushed them out good and dragged a wire through with a bit of cloth on it.  That was a little tricky with the corners but internally I think they’re pretty clean.  Then I cleaned them up on the outside.  I wire brushed the aluminum and then used aluminum brightener.  I used Rubber Renew on the rubber and they cleaned up nice and got back some flexibility.  Then I sanded and painted the steel parts.  I think they look great.


I tried quite a few paints with no luck.  The Eastwood’s Clear Zinc didn’t even look close.  It came out a matte grey.  Then I stumbled across a can of this laying around in our shop and tried it.  I never would have guessed it would look so good.


It almost seemed too shiny but compared to some of my brighter zinc plate parts it is almost an exact match.  I’m happy.

[kp]

Excellent outcome Mark. Saving a set of those original lines must have pleased you no end and I'm happy for you
KP

[Steve Swan]

Excellent outcome Mark. Saving a set of those original lines must have pleased you no end and I'm happy for you
KP

ahh... !   back to the land of the living.....    nice to hear from you Mr. KPster McGster