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Taking off the cylinder head (Tempo Standard 1955)

The cooling ribs on the top of the motor needs a bit of cleaning! I’ve been looking forward to taking a closer look at the engine. I have never owned a motorcycle before, and I have never done any work on an engine, så this is going to be really interesting and a "learning experience" as they say :)I have only one rule on this project, and that is to not cause any more damage to it. If I later decide to scrap the whole project, I want to be able to resell it to someone with more experience.So, off we go!I applied a little rust remover to each of the four bolts earlier in the day, to loosen them up a little bit. Don’t want to apply to much pressure when opening them. If the nuts get damaged in any way I am going to have a hard time removing and replacing them.Taking off the top of the engine, to get a look at the cylinder. And clreaning it up a little.

Taking off the cylinder head (Tempo Standard 1955)

Luckily, the four bolts where pretty easy to losen. I applied a little rust remover earlier in the day, and that seemed to do the trick. I used a brand new wrench socket so the chances of it slipping and destroying the nut were less.

Taking off the cylinder head (Tempo Standard 1955)

First nut.My silly little system for remembering which nut goes where. Removing them in a clockwise fashion, and laying them from left to right in the little tray on the workbench.

Taking off the cylinder head (Tempo Standard 1955)

Second nut.

Taking off the cylinder head (Tempo Standard 1955)

Third nut.

Taking off the cylinder head (Tempo Standard 1955)

Fourth nut. (yes I know, this is rediculous).

Taking off the cylinder head (Tempo Standard 1955)

And thar she blows! Cool design on this little thing, looks almost like a mold for R2D2 doesn’t it.

Taking off the cylinder head (Tempo Standard 1955)

There is soot, but it seems smooth and undamaged. Must get some input on this from someone with more experience…

Taking off the cylinder head (Tempo Standard 1955)

Taking closer look at the cylinder. I was told there might be rust, but I’m not sure if what I am seeing is rust, or if it is soot? Maybe a little of both?

Taking off the cylinder head (Tempo Standard 1955)

Taking closer look at the cylinder. Rust or soot? I can’t see any stripes on the cylinder wall, which is goooooood.

Taking off the cylinder head (Tempo Standard 1955)

The walls of the sylinder seems smooth and nice.

Cylinder, needs to be honed

The walls of the sylinder seems smooth and nice, but brownish. Looks like rust in this picture, in others it looks smoother.

Taking off the cylinder head (Tempo Standard 1955)

The walls of the sylinder seems smooth and nice.

Taking off the cylinder head (Tempo Standard 1955)

The walls of the sylinder seems smooth and nice.

Taking off the cylinder head (Tempo Standard 1955)

This old Sachs 150 cc engine is a piece of art in my opinion, so what better to use for cleaning it than a paintbrush! There is at least 43 years of dust and grime in between the cooling ribs on this thing, so I need to really get in there. A little rust remover helps loosen things up a little.The plan is to sandblast it later, but I have to get as much as possible out by hand.

Taking off the cylinder head (Tempo Standard 1955)

Old toothbrush to the resque. Got this in Tokyo by the way.

Taking off the cylinder head (Tempo Standard 1955)

Rubber gloves, paint brush, 40 tiny pieces of cloth cut from an old pair of panty hose, and a little rust remover seems to be the way to go.

Taking off the cylinder head (Tempo Standard 1955)

Fairly clean.

Taking off the cylinder head (Tempo Standard 1955)

Magic number stamped on the inside of the top. 613060 / 2

Taking off the cylinder head (Tempo Standard 1955)

Jum jum, shiny aluminium alloy!

Taking off the cylinder head (Tempo Standard 1955)

I’ve gotten out most of the crud and grime. I’m wondering about how to get out the rest, especially the sides of the ribs are hard to get to. Sandblasting will do the trick of course, but so might submerging it in gasoline. Tips?

Taking off the cylinder head (Tempo Standard 1955)

Taking off the cylinder head (Tempo Standard 1955)

Not to bad.

Taking off the cylinder head (Tempo Standard 1955)

The sides of the ribs are hard to get to.

Taking off the cylinder head (Tempo Standard 1955)

Starting to think I took to many pictures of this thing :)

Taking off the cylinder head (Tempo Standard 1955)

One more, you can never have enough pictures.

Taking off the cylinder head (Tempo Standard 1955)

Ok, this is getting rediculous :)

Taking off a cylinder head, while quoting Hamlet (Tempo Standard 1955)

A meditation on the fragility of life, while restoring a motorcycle…First Clown: A pestilence on him for a mad rogue! ‘a pour’d a flagon of Rhenish on my head once. This same skull, sir, was, sir, Yorick’s skull, the King’s jester.Hamlet: This? [Takes the skull]First Clown: E’en that.Hamlet: Alas, poor Yorick! I knew him, Horatio, a fellow of infinite jest, of most excellent fancy. He hath bore me on his back a thousand times, and now how abhorr’d in my imagination it is! My gorge rises at it.Read more about this scene from Hamlet :) www.enotes.com/shakespeare-quotes/alas-poor-yorick-knew-h… www.phrases.org.uk/meanings/25500.html