Thanks a lot, Brenton. Now, more than before, I am convinced that, when I will purchase such a bike, the first thing to be done will be to strip down the engine due to the several reasons you have told me. Unless, of course, it happens to me to buy from another enthusiast who regularly used the bike...

Good morning friends.
What do you think about this stuff?
Do you thing a wise measure, when the bike was out of use for a lot of time, in case of purchasing it,to proceed anyway to dismantle the engine in order to check the inside conditions?
Thanks a lot for your answers and greetings from Italy

Thanks to both of you, guys. Since I am aiming to a bike soon after the cammy one, that is one of the second half of the thirties, an ohv, that SHOULD BE more reliable than the cammy one, do you think a very wise measure, ANYWAY, just after eventually have bought it, stripping down the engine, in or...

Good morning to everyone of you, friends.
I have a question surely very often debated, I suppose.
Please be patient.
Which one of the many versions of the SQ 4 is the most reliable?
Which is ,in your opinion, the worst one?
This just for the beginning...!
Thanks in advance