2003 DS 90 2-stroke Parts Catalog, Page 8Get this manual
170A-02 CAMSHAFT, PISTON 170A-02 CAME, PISTON 10 11 12 13 14 15 16 17 18 A13000146000 A13321146000 A13381117000 A96200182412 A13201117000 A13311146000 A90471104000 A9610062040 A9650020428 A9650020306 A13316117000 A13100146000 A13111117000 A13011146000 A13115101000 A96200121516 A941011830010 A941011624005 Crankshaft Ass'y Left Crank Crank Pin Needle Bearing (18 24 12) Crank Connecting Rod R.HCrank Semicycle Key (3 13) Radial Ball Bearing (6204C3) Oil Seal (20 4243 89) Oil Seal (20x 3033 6)Left Crank Collar (16 21 12) Piston Piston Pin (9 12 40) Piston Ring Set Piston Pin Clip (1.0 14) Needle Bearing (12 15 16.6) Plain Washer (18 30 1) Plain Washer (16.5 24 0.5)