Rotary valve timing:

Engine type opens B.T.D.C. closes A.T.D.C.cut-away portion Y

462 UL (28 kW) .............. 120° ....................... 40° .................... 117°

462 UL (38 kW) .............. 140° ....................... 51° .................... 147°

532 UL (47 kW) .............. 132° ....................... 52° .................... 132°

582 UL (32 kW) .............. 120° ....................... 45° .................... 117°

582 UL (40 kW) .............. 130° ....................... 50° .................... 132°

582 UL (48 kW) .............. 130° ....................... 50° .................... 132°

To minimize the wear around inlet port in crankcase, the ends of the rotary

valve have been optimized by changing the radius 5 mm into radius 1 mm, at rotary valve

with cut-away portion 147° from engine no. 3,804.481 onwards

with cut-away portion 132° from engine no. 3,934.361 onwards

with cut-away portion 117° in planning

更多信息请看Rotax 582重维修手册

Rotax582UL发动机重维修手册Maintenance Manual Heavy for ROTAX Engine Type 582UL

Rotax582UL发动机重维修手册MaintenanceManualHeavyforROTAXEngineType582UL