JT JTA798 RaceLite Aluminium Rear Sprocket – 428 Pitch

JT JTA798 RaceLite Aluminium Rear Sprocket – Pitch 428

JT rear sprocket. The vehicle compatibility list below has been taken from the official JT Sprockets Application Guide 2024.

Technical Data

• JT Part Number / Fitment: JTA798
• Installation Position: Rear
• Chain Pitch: 428
• Teeth available in shop: 46, 51

Compatible with – official JT vehicle fitment

Important note on tooth selection: The JT fitment number describes the compatible mounting. The Application Guide also specifies the number of teeth with which the respective vehicle is listed. Another tooth count offered within the same fitment family will change the gear ratio and may differ from the original factory gearing.

44 teeth according to JT Application Guide

• Suzuki RM80 XE,XF (Small Wheels) (80 cc) – Year 84-85 – Chain 428, 132 links
• Suzuki RM80 E/F USA (80 cc) – Year 84-85 – Chain 428, 114 links

46 teeth according to JT Application Guide

• Yamaha YZ85 K,L,M,N,P (85 cc) – Year 19-23 – Chain 428, 118 links
• Yamaha YZ85 R2 (85 cc) – Year 24 – Chain 428, 118 links

47 teeth according to JT Application Guide

• Suzuki RM85 K2-K9,L0-L9,M0 (85 cc) – Year 02-20 – Chain 428, 118 links
• Suzuki RM85 K2-K9,L0-L9,M0 USA (85 cc) – Year 02-20 – Chain 428, 118 links
• Suzuki RM85 M1,M2,M3 USA (85 cc) – Year 21-23 – Chain 428, 118 links
• Suzuki RM85 L K2-K9,L0-L6 (Big Wheel) USA (85 cc) – Year 02-18 – Chain 428, 122 links
• Suzuki RM85 L K2-K9,L0-L6 (Big Wheel) (85 cc) – Year 02-18 – Chain 428, 122 links
• Suzuki RM85 L L9,M0,M1,M2,M3 (Big Wheel) (85 cc) – Year 19-23 – Chain 428, 122 links
• Yamaha YZ80 E,F,G,H,J,K,L,M,N (80 cc) – Year 93-01 – Chain 428, 118 links
• Yamaha YZ80 E,F,G,H,J,K,L,M,N USA (80 cc) – Year 93-01 – Chain 428, 118 links
• Yamaha YZ80 F,G,H,J,K,L,M,N Large Wheel (80 cc) – Year 94-01 – Chain 428, 118 links
• Yamaha YZ85 P,R,S,T,V,W,X,Y,Z,A,B,D,E,F,G,H,J (85 cc) – Year 02-18 – Chain 428, 118 links

48 teeth according to JT Application Guide

• Suzuki RM80 (80 cc) – Year 89-01 – Chain 428, 118 links
• Suzuki RM80 K,L,M,N,P,R,S,T,V,W,X,Y,K1 USA (80 cc) – Year 86-01 – Chain 428, 118 links
• Suzuki RM80 V,W,X,Y,K1 (Big Wheels) (80 cc) – Year 97-01 – Chain 428, 118 links

50 teeth according to JT Application Guide

• Suzuki RM80 XD (Small Wheels) (80 cc) – Year 83 – Chain 428, 132 links
• Suzuki RM80 D USA (80 cc) – Year 83 – Chain 428, 118 links
• Suzuki RM80 XG,XH,XJ >>> 428 Chain Conversion (80 cc) – Year 86-88 – Chain 428, 120 links

51 teeth according to JT Application Guide

• Yamaha YZ85 K,L,M,N LW (85 cc) – Year 19-22 – Chain 428, 124 links
• Yamaha YZ85 P LW (85 cc) – Year 23 – Chain 428, 124 links
• Yamaha YZ85 R LW (85 cc) – Year 24 – Chain 428, 124 links

52 teeth according to JT Application Guide

• Suzuki RM80 Z (80 cc) – Year 82 – Chain 428, 116 links
• Suzuki RM80 Z USA (80 cc) – Year 82 – Chain 428, 116 links
• Yamaha YZ85 P,R,S,T,V,W,X,Y,Z,A,B,D,E,F,G,H,J Large (85 cc) – Year 02-18 – Chain 428, 124 links

56 teeth according to JT Application Guide

• Suzuki RM80 HD,HE,HF (80 cc) – Year 83-85 – Chain 428, 136 links

Installation and Gearing Note

• Before ordering, check the model, year, chain pitch, and desired number of teeth.
• A different number of teeth will change the gear ratio and may require a different chain length or adjustments to the chain tension.
• Perform installation and tightening according to the vehicle manufacturer's specifications.