Ktm Stock Sx50 39.5mm bore, 40mm stroke, 49.016cc
KTM SX50 39.5mm bore, 40mm stroke, 49.016cc
Found this one on Pit Lane
. I don't have a lot of information on this, however it looks like it is 39.5mm bore, with a 40mm stroke--much like the Derbi.
Now: '00 Derbi GPR 75, '87 Puch Monza Barcelona, '05 Wicked GPR, '95 Pika Mito, '07 Bol d'Or
Then: 1974 XR-75, DS-100, IT-175, MB-5(x2), CB400, CB750F, 750 Paso