Front sprocket JT JTF253.18, 18 teeth, pitch 420

Front sprocket JT JTF253.18, 18 teeth, 420 pitch

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

Technical specifications

• JT part number / fitment: JTF253
• Installation position: Front / transmission output
• Chain pitch: 420
• Teeth available in shop: 18

Suitable for – official JT vehicle compatibility

Important note on tooth selection: The JT fitment number describes the correct mounting interface. The application guide also specifies the number of teeth with which each vehicle is factory-equipped. Selecting a different number of teeth from the same fitment family will change the gear ratio and may deviate from the original factory gearing.

13 teeth according to JT Application Guide

• Honda C50 (50 cc) – Years 70-75, 75-80 – Chain 420, 98 links
• Honda C50 Z2,ZZ,L (50 cc) – Years 80-82 – Chain 420, 98 links
• Honda C50 E,LAG (50 cc) – Year 88 – Chain 420, 98 links
• Honda CY50 Germany (50 cc) – Years 77-84 – Chain 420, 96 links
• Honda MB5 USA (50 cc) – Year 82 – Chain 420, 106 links
• Honda MBX50 SDF (40 kmh) Germany (50 cc) – Year 85 – Chain 420, 118 links
• Honda MBX50 SDH (50 kmh) Germany (50 cc) – Year 87 – Chain 420, 118 links
• Honda MT50 S (50 cc) – Years 80-81 – Chain 420, 108 links
• Honda NSR50 S-K Germany (50 cc) – Year 89- – Chain 420, 126 links
• Honda SS50 Z-K1 (50 cc) – Year 78 – Chain 420, 98 links
• Honda SS50 Z-B1 (50 cc) – Years 79-80 – Chain 420, 98 links
• Honda Z50 Australia (50 cc) – Years 82-94 – Chain 420, 76 links
• Honda MBX80 France (80 cc) – Year 83 – Chain 420, 114 links

14 teeth according to JT Application Guide

• Daytona 50 Sprinter Greece / – Year not specified in JT guide – Chain 420
• Honda CF50 Chaly (50 cc) – Years 79-96 – Chain 420, 88 links
• Honda MTX50 AD05 Germany (50 cc) – Years 82-84 – Chain 420, 122 links
• Honda NS50 F USA (50 cc) – Year 90 – Chain 420, 118 links
• Honda NSR50 H,J AC10 Japan (50 cc) – Year not specified in JT guide – Chain 420, 106 links
• Honda NSR50 K,L,N,P,R,S AC10 Japan (50 cc) – Year not specified in JT guide – Chain 420, 108 links
• Honda ST50 (50 cc) – Year 78 – Chain 420, 96 links
• Honda XL50 (50 cc) – Years 77-85 – Chain 420
• Honda ZB50 B Monkey Germany (50 cc) – Year 92- – Chain 420, 102 links
• Honda C70 (70 cc) – Years 75-80 – Chain 420, 98 links
• Honda C70 Z2,ZZ,C (70 cc) – Years 80-82 – Chain 420, 96 links
• Honda C70 E Cub (70 cc) – Years 83-86 – Chain 420, 98 links
• Honda C70 Passport USA (70 cc) – Years 80-81 – Chain 420, 96 links
• Honda CF70 Chaly (70 cc) – Years 82-85 – Chain 420, 88 links
• Honda ST70 K,G (70 cc) – Year 78 – Chain 420, 88 links
• Honda 110 Astrea Grand (Euro 3/4) Greece / – Years 17-18 – Chain 420, 104 links
• Honda 110 Wave Greece / – Years 12-14 – Chain 420, 104 links
• Honda 125 Innova / 125i Innova Greece / – Years 03-14 – Chain 420, 104 links
• Honda 125 Supra-X / Helmin Greece / – Years 17-18 – Chain 420, 108 links
• Honda CR50 (50 cc) – Years 83-85 – Chain 420, 108 links
• Honda CR60 R USA (60 cc) – Years 83-84 – Chain 420, 104 links
• Honda CR60 (60 cc) – Years 85-86 – Chain 420, 104 links
• Honda CR80 RA Elsinore (80 cc) – Year 80 – Chain 420, 108 links
• Honda CR80 RB Elsinore (80 cc) – Year 81 – Chain 420, 112 links
• Honda CR80 RC (80 cc) – Year 82 – Chain 420, 114 links
• Honda CR80 RD,RE (80 cc) – Years 83-84 – Chain 420, 116 links
• Honda CR80 R2F (80 cc) – Year 85 – Chain 420, 128 links
• Honda CRF110 F-D,E,F,G,H,J,K (110 cc) – Years 13-19 – Chain 420, 86 links
• Honda CRF110 F-L (110 cc) – Year 20 – Chain 420, 86 links
• Honda CRF110 F-M (110 cc) – Year 21 – Chain 420, 86 links
• Honda CRF110 F-N (110 cc) – Year 22 – Chain 420, 86 links
• Honda CRF110 F-P (110 cc) – Year 23 – Chain 420, 86 links
• Honda CRF110 F-R (110 cc) – Year 24 – Chain 420, 86 links
• Honda ATC70 (70 cc) – Years 76-81 – Chain 420, 72 links

15 teeth according to JT Application Guide

• Honda C50 LAC,LAE (50 cc) – Years 82-87 – Chain 420, 98 links
• Honda GLX50 Greece / (50 cc) – Year not specified in JT guide – Chain 420, 100 links
• Honda NSR50 S-K (50 cc) – Year 89- – Chain 420, 116 links
• Honda ST50 G Dax Germany (50 cc) – Years 74-80 – Chain 420, 90 links
• Honda ZB50 France (50 cc) – Year not specified in JT guide – Chain 420, 102 links
• Honda ST70 G2 Dax Germany (70 cc) – Years 77-80 – Chain 420, 88 links
• Honda ST70 France (70 cc) – Years 82-83 – Chain 420, 84 links
• Honda ST70 Dax AM K3 France (70 cc) – Year not specified in JT guide – Chain 420, 98 links
• Honda ST70 Dax France (70 cc) – Years 82-98 – Chain 420, 86 links
• Honda MBX75 Spain (75 cc) – Year not specified in JT guide – Chain 420, 116 links
• Honda MBX75 (75 cc) – Year 84 – Chain 420, 116 links
• Honda MTX75 (75 cc) – Year 87 – Chain 420, 122 links
• Honda NSR75 (75 cc) – Year 90 – Chain 420, 116 links
• Honda XL75 (75 cc) – Years 77-80 – Chain 420, 94 links
• Honda CY80 France (80 cc) – Year not specified in JT guide – Chain 420, 92 links
• Honda CY80 France (80 cc) – Year not specified in JT guide – Chain 420, 90 links
• Honda CY80 Z Germany (80 cc) – Year 81 – Chain 420
• Honda MB80 S-A (80 cc) – Year 80 – Chain 420, 106 links
• Honda MB80 France (80 cc) – Year not specified in JT guide – Chain 420, 106 links
• Honda MB80 SA HC01 Germany (80 cc) – Years 80-83 – Chain 420, 106 links
• Honda MBX80 FWD,FWF Germany (80 cc) – Year 83 – Chain 420, 116 links
• Honda MBX80 FWD,FWF (80 cc) – Years 83-86 – Chain 420, 116 links
• Honda MCX80 SD HC05 Germany (80 cc) – Years 82-87 – Chain 420, 112 links
• Honda MT80 SA HC02 (80 cc) – Year 80 – Chain 420, 104 links
• Honda MT80 France (80 cc) – Year not specified in JT guide – Chain 420, 106 links
• Honda MTX80 France (80 cc) – Year not specified in JT guide – Chain 420, 120 links
• Honda MTX80 RFD,RFF (80 cc) – Years 83-86 – Chain 420, 122 links
• Honda MTX80 C HC06 Germany (80 cc) – Year 82 – Chain 420, 120 links
• Honda MTX80 RSD HC08 Germany (80 cc) – Year 83 – Chain 420, 124 links
• Honda XL80 S USA (80 cc) – Years 80-85 – Chain 420, 96 links
• Honda C90 Cub (90 cc) – Years 84-02 – Chain 420, 98 links
• Honda GLX90 Greece / (90 cc) – Year not specified in JT guide – Chain 420, 100 links
• Honda CL70 USA (70 cc) – Years 77-82 – Chain 420, 86 links
• Honda CT70 USA (70 cc) – Years 69-82, 91-94 – Chain 420, 86 links
• Honda XR70 RV,RW,RX (70 cc) – Years 97-99 – Chain 420, 86 links
• Honda CR80 RF (80 cc) – Year 85 – Chain 420, 114 links

Installation and gear ratio note

• Before ordering, verify the model, year, chain pitch, and desired tooth count.
• A different number of teeth changes the gear ratio and may require a different chain length or adjustment of chain tension.
• Perform installation and tighten to the manufacturer's specified torque settings.