2 strokes
The 447 and 503 production has been stopped. They aren't selling like they used to because of the big shift to 4 stokes and the lack of sales which has also hit the total economy. Parts will be MFG for 10 years. The 582 blue head should be MFG for a long time.
Roger Lee
LSRM-A & Rotax Instructor & Rotax IRC
Tucson, AZ Ryan Airfield (KRYN)
520-349-7056 Cell