BOLD MAGENTA part numbers are new for 2025 BELTS, CHAINS & SPROCKETS PARTS-UNLIMITED.COM ATV/UTV | 2025 735 1 Use w/ stock dampers. FITS MODEL STOCK GEARING CHAIN SIZE FRONT SIZE PART # REAR SIZE PART # SPROCKET TYPE HONDA ATC70 73-81 ATC70 82-85 TRX70 86-87 14-35 420-72 13 10213 35 2-102235 (Steel) 13-36 420-72 14 10214 36 2-102236 (Steel) 13-36 420-72 15 10215 38 2-102238 (Steel) 44 2-102244 (Steel) 46 2-102246 (Steel) TRX90/TRX90EX 93-09 TRX90X 13-24 13-50 428-98 13 22313 48 2-246248 (Steel) 13-50 428-100 50 2-246250 (Steel) ATC185 80 11-47 520-90 11 30511 47 2-365847 (Steel) ATC185S 81-82 11-41 520-82 11 30511 41 2-3417411 (Steel) ATC185S 83 11-41 520-82 11 30511 - - - ATC200 81-82 ATC200E 82 11-47 520-90 11 30511 47 2-365847 (Steel) 11-47 520-90 ATC200 83 ATC200M 84-85 ATC200S 84-86 11-47 520-90 11 30511 - - - 11-47 520-92 11-43 520-84 ATC200X 83-85 12-40 520-88 12 30312 40 2-301740 (Steel) 13 30313 ATC200X 86-87 13-38 520-86 12 33812 - - - 13 33813 TRX200SX 86-88 12-42 520-80 12 33912 - - - SPROCKETS ALUMINUM TRIPLESTAR REAR SPROCKETS • Constructed of high-quality, aerospace grade 7075-T6 aluminum •Computer-designed weight reduction holes for lightness •Exclusive tooth-valley design provides 24% better chain contact area for the best power transfer possible •Finished with a clear anodized coating that adds durability and a superb finish •Grooves added at bottom of tooth area STEEL OEM REPLACEMENT REAR SPROCKETS •Constructed of the highest quality 1045 high-carbon steel •Exclusive heat treatment and quenching process for strength and durability • The strongest, longest lasting steel replacement sprocket available •Nearly all machines come equipped from the factory with this sprocket POWERDRIVE COUNTERSHAFT SPROCKETS •Manufactured from case-hardened chromoly steel for unparalleled strength and durability •Parkerizing surface treatment prohibits rust and corrosion, building resistance against those agents, resulting in a longer lasting, better appearance •Most race applications feature drilled weight-reduction holes (depends on application/tooth size) •Constructed of the same great quality and specifications that the Japanese OEMs have trusted and used since 1946 Steel front sprocket Aluminum and steel rear sprockets SPROCKETS continued on next page.
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