BOLD MAGENTA part numbers are new for 2024 ENGINE PARTS-UNLIMITED.COM STREET | 2024 1423 DISCLAIMER: *EMIS (EMISSIONS CATEGORIZATION CODE). SEE PAGES 4-6 FOR CATEGORY CODES, IMPORTANT EPA/CARB EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND NOTICE REGARDING NOISE REGULATIONS. PRODUCTS NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES IF NOT CATEGORIZED AS “1” OR “4”. APPLICATION CHART FITS MODEL OVERSIZE PISTON PART # REPL. RINGS REPL. WRIST PIN (EA.) REPL. CIRCLIP (PR.) HONDA XR/XL500 79-82, FT500 82-84 (10.5:1 comp.) Std. 4117M08900 3504XC - CW21 0.5mm 4117M08950 - - CW21 1.0mm 4117M09000 3544XC - CW21 XR, XL500 79-82, FT500 82-84 (12:1 comp.) 0.5mm 4163M08950 - - CW21 XL600 83-87 RFVC (11:1 comp.) 1.0mm 4332M10100 3977XH - CW24 KAWASAKI 500S, H-1, KH, Mach III 1.0mm 149M06100 - S-256 CW16 1.5mm 149M06150 - S-256 CW16 KLX650C 93-95, KLX650R 96-01 Std. 0910-3949 - - - 750 Mach IV, H2 Race Model 0.5mm 423M07150 2815CD - CW16 1.0mm 423M07200 2835CD - CW16 1.5mm - 2854CD - CW16 2.0mm 0910-3954 2874CD - - FITS MODEL OVERSIZE PISTON PART # REPL. RINGS REPL. WRIST PIN (EA.) REPL. CIRCLIP (PR.) SUZUKI DR650 96-11 (10.5:1 CR flat top) Std. 0910-5734 - - CW23 YAMAHA YSR50 Big Bore kit (57cc) 3.0mm 598M04300 - - - RD350 73-75, RD400 76-79 Std. 393M06400 2520CD S-486 CW16 0.5mm 393M06450 2539CD S-486 CW16 1.0mm 393M06500 2559CD S-486 CW16 1.5mm - 2579CD S-486 CW16 2.0mm 393M06600 2598CD S-486 CW16 RZ350 82-90 2.5mm 0910-3956 2520CD S-486 CW16 XT600 84-89, SRX600 86 Std. - 3740XH - - PISTON PRICING PART # SUG. RETAIL 0910-3949 $237.50 0910-3954 195.55 0910-3956 166.92 0910-5734 237.50 149M06100 182.86 PART # SUG. RETAIL 149M06150 $182.86 393M06400 182.86 393M06450 182.86 393M06500 182.86 393M06600 195.55 PART # SUG. RETAIL 4117M08900 $237.50 4117M08950 237.50 4117M09000 237.50 4163M08950 237.50 423M07150 182.86 PART # SUG. RETAIL 423M07200 $182.86 4332M10100 237.50 598M04300 116.82 HIGH-PERFORMANCE 2- AND 4-CYCLE MOTORCYCLE PISTONS •All Wiseco pistons are forged from aerospace aluminum alloys on Wiseco’s state-of-the-art forging presses •Built on a legacy of championships for over 60 years by American craftsmen •Wiseco pistons have the latest dyno-tested technology to out-perform the competition •Wiseco forged pistons are priced with rings and circlips • Wiseco rings, clips and wrist pins only fit Wiseco pistons; also note that ring types do not interchange (i.e. CD is not interchangeable with TD) WARNING: Wiseco pistons can be fitted only with Wiseco rings. PART # SIZE SUG. RETAIL CW16 16mm $2.79 CW20 20mm 3.29 CW21 21mm 3.29 PART # SIZE SUG. RETAIL CW23 23mm $3.29 CW24 24mm 3.29 CIRCLIPS • Two high-strength, easy-to-install circlips furnished with every piston •Order additional inventory from the chart below •See price list below PART # SUG. RETAIL 2520CD $50.78 2539CD 50.78 2559CD 50.78 2579CD 50.78 2598CD 50.78 PART # SUG. RETAIL 2815CD $50.78 2835CD 50.78 2854CD 50.78 2874CD 50.78 3504XC 51.46 PART # SUG. RETAIL 3544XC $51.46 3740XH 51.46 3977XH 51.46 REPLACEMENT RING SETS •Each ring set is for one piston •See Wiseco ring buyer’s guide for details NOTE: Wiseco rings fit only Wiseco pistons. ID X OD X LENGTH (MM) PART # SUG. RETAIL 15 x 19 x 17 B1001 $23.29 20 x 25 x 27.8 B1004 23.29 ID X OD X LENGTH (MM) PART # SUG. RETAIL 14 x 18 x 16 B1012 $23.29 14 x 18 x 20 B1018 23.29 TOP-END BEARINGS •Wiseco top-end bearings, OEM quality or better OD/LENGTH PART # SUG. RETAIL 16mm/2.050” S-256 $22.04 16mm/2.175” S-486 22.04 WRIST PINS • Wiseco wrist pins are strong, lightweight and can be used with OEM pistons CW20 3544XC 0910-3949
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