Suzuki DF25/DF30 Four Stroke Service Manual, Page 136Get this manual
POWER UNIT 7-19
DISASSEMBLY
1Remove four (4) bolts and upper cylinder head cover 2
2Remove the eight (8) bolts securing rocker arm shaft brackets, then remove rocker arm shaft brackets Remove intake rocker arm shaft and exhaust rocker arm shaft Remove all rocker arms and springs 6
NOTE: Intake rocker arm shaft is different from exhaust rocker arm shaftTake note of shaft shape difference and placementFlywheel side