Originally Posted by Marten660
Today i own a different LC4.. (bought in jan. this year en restored en had it sprayed in Galoises colors etc.)
It 's a 660RR and has a lot more power compared with the 640adv!
And the noise is also a bit (...) more
Now I can see why cycling is so popular there in the Netherlands!
Yeah Bill, Sommer had a wealth of experience on KTMs and its a pity they were bought out, rebranded and effectively disbanded. I saw a DB killer insert for an akra system the other day that had been modified by them with some small annular holes drilled to increase the gas flow. I think jerome was told that they recommended the FCR41mx in preference to its smaller cousin.
One can still download their old catalogues (with their infamous tips) in German for those interested from the new company's site.