Sachs Dolmar 120 Wants to Identify as a 120 Super

[Baconaman]

I recently adopted Sachs Dolmar 120. Things seemed fine at first but then I started noticing that Sachs seemed depressed. After some prodding and gentle encouragement I was able to get Sachs to disclose some very personal information. It seems that Sachs, though having been born a 120, has always felt like a 120 Super aka 120si. My understanding is that in our contemporary society, one can be whatever they want so who am I to say he can't be a Super, which brings me to this forum. Has anyone on this list successfully done surgery on a 120 making the transition to a 120 Super?

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[psuiewalsh]

Super and SI are different but same family both 68cc? Vs 60 for 120. The ipls are online. I would imagine hard part is finding a good top end. If you have a good brake setup on yours that seems to be the most valuable parts

 

[mgr1]

The 120si / ps 6800 cylinders are nla. There are some aftermarket cylinders for the 116 si / ps 6000.

120 and 120 super have different bore and stroke.

 

[Frank bierce]

I am also fairly certain the crankcases are different.

 

[Whitty21]

Flywheel side crank is different, super has 1mm more stroke and the primer bulb. Some other stuff ad well. Not really a possible swap

 

[Baconaman]

Flywheel side crank is different, super has 1mm more stroke and the primer bulb. Some other stuff ad well. Not really a possible swap

Thanks all. I'll just dial this one in. Possible mm?

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[psuiewalsh]

If it is the front outlet muffler it is pretty wide open. I added a deflector on the flywheel side to help divert some of the exhaust as it liked to toast the oil tank.

 

[Baconaman]

If it is the front outlet muffler it is pretty wide open. I added a deflector on the flywheel side to help divert some of the exhaust as it liked to toast the oil tank.

I'll add a pic or 2 later.

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[riverrat2]

working on a similar swap my self,,, But I do have a 120 super that rocks,,

and an SI that was MISSING SOME PARTS!!!!! I am cobbling together thanks to the wonderful peeps on this website