LEAF 2021

Prices and Supplies are subject to change without notice CUSTOMER SERVICE 1-262-763-4087 FAX 1-262-763-1920 ROTAX ® 503 UL CDI 503 Engine Gasket Set Part No. 994 236 CRANKCASE For Engines Serial #3786750 & Up Fig. No. Part No. Description Qty. Req’d 1-6 887 796 Crankcase Assembly 1a* 2 945 832 Lock Washer A8 14 3 841 201 Hex Screw M8x70 6 4 940 631 Hex Screw M8x45 DIN 931 4 5 640 611 Allen Screw M8x45 2 6 841 841 Allen Screw M8x65 DIN 912 2 7 940 190 Stud M10x29/20 4 8 945 833 Lock Washer A10 4 9 242 092 Hex Nut M10 4 10 940 326 Hex Screw M10x30 4 11 840 556 Stud M8x173,5 8 *NOTE: a - From engine serial number 4,795.397 CRANKSHAFT, PISTONS The on the top of the piston means the arrow points to the exhaust side of the engine. PTO bearings are different on Provision 4 vs Provision 8 crankcase. Fig. No. Part No. Description Qty. Req'd 1-7 996 441 Crankshaft Assembly 1 2 631 741 BALL BEARING 6207N TNH C3 35-72-17 3 3 250 165 O-RING 64-2 5 4 831 950 Oil Seal,Mag Side 35x72x7/8,5 2 5 246 055 Woodruff Key, 3x3,7 DIN 6888 1 6-7 832 320 Cageless Needle Bearing 18x22x23 2 7 827 465 Thrust Washer 18/21,7/2,5 4 8 945 759 Lock Washer 22 1 9 842 239 Hex Nut M22x1,5 1 10-12 996 245-1 Piston Assembly 71.93 mm 2a* 10-12 996 245-2 Piston Assembly 71.94 mm 2a* 10-12 996 246-1 Piston Assembly 72.18 mm 2b* 10-12 996 246-2 Piston Assembly 72.19 mm 2b* 10-12 996 247-1 Piston Assembly 72.43 mm 2c* 10-12 996 247-2 Piston Assembly 72.44 mm 2c* 11 915 850 Rectangular Ring 72.00 mm 2d* 11 915 851 Rectangular Ring 72.25 mm 2e* 11 915 852 Rectangular Ring 72.50 mm 2f* 12 215 235 Semi-Trapez Ring 72.00 mm 2d* 12 215 236 Semi-Trapez Ring 72.25 mm 2e* 12 215 237 Semi-Trapez Ring 72.50 mm 2f* 13 916 186 Piston Pin 18x11x58.7 2 14 945 735 Circlip 18 4g* 15 897 280 Cageless-Label 1 *NOTE: a - With 2 rings, standard, b - With 2 rings, 1st oversize, c - With 2 rings, 2nd oversize, d - Standard size, e - 1st oversize, f - 2nd oversize, g - ATTENTION: Use only once! PTO PTO MAG  A = LOCTITE 221  D = LOCTITE 574  E = ANTI-SEIZE  I = LITHIUM-BASE GREASE  O = ENGINE OIL 85