BOLD MAGENTA part numbers are new for 2027 ENGINE PARTS-UNLIMITED.COM SNOW | 2027 ENGINE 489 HIGH-PERFORMANCE SNOWMOBILE PISTONS continued on next page. HIGH-PERFORMANCE SNOWMOBILE PISTONS (CONT) FITS MODEL NO. OF CYL. BORE X STROKE (MM) DISPL. (CC) SIZE (MM) PISTON/ GASKET KIT PART # PISTON PART # REPL. RING SET PART # REPL. WRIST PIN PART # REPL. CIRCLIPS PART # TOP END BEARING PART # MOTO SKI (ROTAX ENGINE) Grand Prix Special 79-81, Sonic 82, Futura 500/5 00E 80-82 2 72 x 61 503 STD - - - S-513 CW18 B1003 Cast iron bore. 1.50 - 2373M07350 - - - - Pro-Lite, includes wrist pin. Mirage I, 80-82 1 72 269 STD - - - S-513 CW18 B1003 Cast iron bore. x 1.50 - 2373M07350 - - - - Pro-Lite, includes wrist pin. 66 Mirage II 80-83, Mirage II E 80-82, Mirage Special 80-82 2 62 368 STD - - 2441CD - CW18 B1003 Cast iron bore. x 0.50 - 2308M06250 2461CD - - - 61 0.25 - 0910-3982 - - - - Ultra Sonic 80-82, 84 2 67.5 436 0.50 - 2374M06800 - S-513 CW18 B1003 Cast iron bore. x Pro-Lite, includes wrist pin. 61 POLARIS (FUJI ENGINE) 500 Classic 89-97, Indy 500 89-97/EFI 92-97/ RMK 96-97/SKS 91-97 2 72 x 60 488 STD - - 2835CD - CW18 B1014 (EC45PL097) Liquid cooled. 502 1.00 SK-1066 - 2874CD - - - Cast iron bore. Pro-Lite, includes wrist pin. NOTE: Will not fit WideTrak models. 500 Classic 98-02/04-06, 500 Classic Touring 99-03, Indy 500 98-06/RMK 98-99 2 72 x 60 488 STD - - 2835CD - - CW18 - B1014 - Cast iron bore. Pro Lite, fan-cooled. 502 1.00 - - 2874CD NOTE: Will not fit WideTrak models. 500 Classic Touring 98, Indy Super Sport 488 97-98/ SuperTrak 91-94/Trail DLX 95-96/Trail 86-99/Trail RMK 98/Trail Touring 95-99 2 72 x 60 488 502 STD 1.00 - - - - 2835CD 2874CD - - CW18 - B1014 - Cast iron bore. Pro-Lite, includes wrist pin. NOTE: Will not fit WideTrak models (EC45PL097). 550 Classic 02-06/14-19, Indy 550 LX 07-08, 14/Pro X FC 04, 14/Sport Touring 99-05/Super Sport 550 99-08/Edge 01-08/Edge X 03/Trail RMK 99-08/Trail Touring 00, 03-09 2 73 x 65 544 552 559 STD 0.50 1.00 SK1305 SK1306 SK1307 - - 2417M07400 - - - - - - CW18 - - B1014 - - Cast iron bore. Pro-Lite, includes wrist pin. Cross Country 440 95-96, Indy 440 92-98/LC 96-97/ SKS 93-95/XC 91/XCR 92-94 2 67.72 x 60 432 439 STD 0.53 2.03 - - - 2343M06772 2343M06825 0910-3992 - 2687CD 2746CD - - - CW18 - - B1014 - - (EC45-PL091) Liquid cooled. Cast iron bore. Pro-Lite, includes wrist pin. EC44TX 73-80 2 67.75 x 60 435 1.50 - 0910-3987 - - CW18 B1014 Chrome bore - Cylinder sleeving or replating required. Indy 340 Sport 88-89/GT 89-90, Sprint 340 86-89 2 62 336 STD - - - S-270 CW16 B1016 Chrome bore, includes wrist pin. x 55.6 Indy 440 DLX 93/LongTrak 84-90/LongTrak (reverse) 87/Sport 91-99/Sport Touring 95-99/Super Sport 85-86, 94-97/Trail 84-86/Transport 96-99/XCF 97-98 2 67.72 x 60 452 STD - 0910-3987 - - CW18 B1014 Single ring. Cast iron bore. Pro-Lite, includes wrist pin. Indy 440 DLX 93/LongTrak 84-90/LongTrak (reverse) 87/ Sport 91-99/Sport Touring 95-99/Super Sport 85-86, 9497/Trail 84-86/Transport 96-99/XCF 97-98 2 67.72 x 60 432 439 452 458 STD 0.53 1.53 2.03 - - - - 2343M06772 2343M06825 0910-3992 - - 2687CD - 2746CD - - - - CW18 - - - B1014 - - - Double ring. Cast iron bore. Pro-Lite, includes wrist pin. Indy 440 XC 96-97/XCR 95-96/XCR SP 94/96 2 68.25 x 60 439 STD - 2362M06825 2687CD - CW18 B1014 Nikasil bore. Pro-Lite, includes wrist pin. NOTE: Will not fit XCR 440 97. Indy 580 XLT/Special 93-94 3 64 579 STD - 0910-3996 2520CD - CW16 - Liquid cooled. x 586 0.50 - - 2539CD - - - Cast iron bore. 60 597 1.00 - - 2559CD - - - Pro-Lite, includes wrist pin. 616 2.00 - - 2598CD - - - Indy Triumph 00, Indy 600 XCR 95-97, Indy XLT 600 95-97/ Classic 98-99/RMK 96-97/SKS 96/Special 97-99/ Touring 96-99 3 65 x 60 597 STD - - 2559CD - CW16 B1016 Piston port, liquid cooled. 607 0.50 - 2358M06550 2579CD - - - Cast iron bore. 616 1.00 - - 2598CD - - - Pro-Lite, includes wrist pin. 652 1.50 - - 2618CD - - - Indy 650 88-90/RXL 90/SKS 91-96 3 67.75 x 60 654 0.25 - - 2677CD - - - Cast iron bore. Pro-Lite, includes wrist pin. 658 0.50 - - 2687CD - - - NOTE: Kits fit Indy 650 88-90/650 RXL 90 only. Must bore cases to install 1.50 and 2.25. 678 1.50 - 2346M06925 - - - - 693 2.25 - - 2756CD - - - Indy 650 91-96/RXL 91-97 3 67.75 654 0.25 - - 2677CD - - - Cast iron bore. x 658 0.50 - - 2687CD - - - Pro-Lite, includes wrist pin. 60 678 1.50 - 2346M06925 - - - - NOTE: Must bore cases to install 2.25. 693 2.25 - - 2756CD - - -
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