Archive | August, 2009



Tonight we have a whole slew of updates. The final update on the AS1 ‘Drive’ project is in place, the skies cleared up long enough to give me time to take the pictures.

When we started with the walkthroughs a few updates back we used the AS2C we were restoring as the base for them, what we realized is that since the scrambler is different in quite a few places compared to regular model all the walkthroughs were filled with remarks about the differences and became a bit confusing. So we decided that we will use another bike as the base for the walkthroughs and just restore the AS2C as we normally would, that means it’ll go a lot quicker. You can see the update here.

We’ve also got a new project, the AS3 Europa, we got the bike from Germany which meant it was the AS3 Europa version that was sold in Western Germany. We’ve received a lot of AS3s from Germany, they have all been the Europa version, but we’ve always converted them to the regular version. For once we decided to keep is in the original Europa version.


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We just received this one from Germany, it’s in great condition given the age, it feels nice and composed. Looking closely you can see that it has tipped over at some point in time but it has obviously happened when it was parked since the only marks of it is bent turn signals and a scratched headlight.

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Change of plans

Well, we’ve had a bit of change of plans for this bike. We have decided not to use this bike to make the majority of the walkthroughs, since the scramblers are so rare and different in a number of ways to the regular models we’ve realized that it’s better to use a standard bike to make the walkthroughs instead of constantly referring to the differences between the models.

That means that we can work much quicker on it, since last update we’ve got pretty much most of the bike together :)

A thing to note is that we have the pre-1970 generator on it, it works just the same but during 1970 they changed it to make a number of improvements but both kinds are correct for the model!

We also managed to get a hold of a brand new front tire for the scrambler version, we had almost given up on getting one but at last we found one.

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The AS1 drive is complete, it’s up and running.

In looking back at the process, we kept most of the original parts and pretty much restored it just using a good cleaning and some new paint. We had to replace the breakers and capacitors on the generator and we restored the carburetors with a service kit but other than that it”s all the same!

It runs extremely well on top of that, just goes to show that it doesn’t have to cost a fortune and take a long time to restore one of these old bikes.

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Despite the bad weather we’ve been having down here we got a quick video of the AS1 up and running! With the new breakers and capacitors it starts with the very first kick, runs smoothly in idle and revs well. A quick pull of the throttle sends it up on the back wheel, not bad. The funny thing is that mechanically all we did was clean the engine out, replace the cylinder heads and put new spark plugs in place. The cylinder heads were even used ones that we had cleaned before! The carburetors did get a complete overhaul though, they were OK but it’s an easy thing to do and usually makes the bike run much smoother.

There is quite a bit of smoke coming from the left exhaust, both the exhaust pipes have been cleaned as good as possible, however since the left cylinder was running a bit off before (It was full of residue of something, no idea what) there is a good bit of oil left in the left pipe. It will burn off with time though.

A general tip when you’ve restored one of these old motorcycles: in all the guides and workshop manuals it says that you need to run the first tank of petrol with oil in it, this is because the oil lines are empty when starting the bike for the first time. This combined with the tight fit of a new engine means that it can easily cease and break when the temperature rises because of the added friction.

You can get around this by manually turning the sprocket for the oil pump until you see the oil reach the cylinders (At least it can be done with the Yamaha 125s), then it will be lubricated as usual when you start it, even for the first time. Though it’s a good precaution to have some oil in the tank just in case.

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