JT JTF1310 front sprocket – 420 pitch

JT JTF1310 Front Sprocket – Pitch 420

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

Technical Specifications

• JT Part Number / Fitment: JTF1310
• Installation Position: Front / Countershaft
• Chain Pitch: 420
• Available Tooth Counts: 14, 15

Compatible Models – Official JT Vehicle Fitment

Important note on tooth selection: The JT fitment number describes the compatible mounting. The Application Guide additionally specifies which tooth count is listed for the respective vehicle. A different tooth count offered within the same fitment family will alter the gear ratio and may differ from the standard factory gearing.

15 Teeth as per JT Application Guide

• Honda CRF150 L (150 cc) – Year not specified in JT Guide – Chain 420
• Honda CRF150 R-7,8,9,A,B,C,D,E,F,G,H,J,K (150 cc) – Years 07-19 – Chain 420, 120 links
• Honda CRF150 R-L (150 cc) – Year 20 – Chain 420, 120 links
• Honda CRF150 R-M (150 cc) – Year 21 – Chain 420, 120 links
• Honda CRF150 R-N (150 cc) – Year 22 – Chain 420, 120 links
• Honda CRF150 R-P (150 cc) – Year 23 – Chain 420, 120 links
• Honda CRF150 R-R (150 cc) – Year 24 – Chain 420, 120 links
• Honda CRF150 RB-7,8,9,A,B,C,D,E,F,G,H,J,K,L (150 cc) – Years 07-20 – Chain 420, 126 links
• Honda CRF150 RB-M (150 cc) – Year 21 – Chain 420, 126 links
• Honda CRF150 RB-N (150 cc) – Year 22 – Chain 420, 126 links
• Honda CRF150 RB-P (150 cc) – Year 23 – Chain 420, 126 links
• Honda CRF150 RB-R (150 cc) – Year 24 – Chain 420, 126 links

Installation and Gear Ratio Notice

• Before ordering, check the model, year, chain pitch, and required number of teeth.
• A different number of teeth alters the gear ratio and may require a different chain length or adjustment of the chain tension.
• Perform installation and tighten to the vehicle manufacturer's specified torque settings.