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The JT Sprocket (JTF1590.14) is a high-performance 14-tooth front sprocket engineered specifically for the 2011 Gas Gas EC 250 4T motorcycle. It is designed for riders seeking a reliable, durable drivetrain upgrade that maintains factory performance standards. While it offers superior material strength compared to stock components, users should note that improper chain tension adjustment during installation can lead to premature wear of both the sprocket and the drive chain.
| Model Part Number | JTF1590.14 |
|---|---|
| Brand | JT |
This specific model (JTF1590.14) is designed for the 2011 Gas Gas EC 250 4T. Please consult your motorcycle's parts manual before installing on other model years.
SCM420 is a chromium-molybdenum alloy steel known for its high strength, toughness, and excellent wear resistance, making it ideal for high-stress motorcycle components.
Yes, it is highly recommended to replace the chain and both sprockets as a complete set to ensure even wear and maximum performance.
You will need standard motorcycle maintenance tools, including a socket set, a torque wrench, and potentially a chain breaker/rivet tool if you are replacing the chain as well.
Clean and inspect your sprocket whenever you clean and lubricate your chain, typically every 300 miles or after every off-road ride.
Check that the chain is correctly aligned and tensioned to the manufacturer's specification in the owner's manual.
Ensure that the drive chain is not stretched beyond its service limit and that the rear sprocket is not worn, as a worn chain will quickly damage a new front sprocket.
This sprocket is compatible exclusively with the 2011 Gas Gas EC 250 4T. Installation involves removing the front sprocket cover, locking the rear wheel to loosen the countershaft nut, and ensuring the chain is correctly tensioned after the new sprocket is seated. When caring for this component, always clean it using a dedicated motorcycle chain cleaner and lubricate it with a high-quality, O-ring safe chain lubricant. Avoid using harsh solvents that could compromise the lubricant inside the chain rollers, as this will accelerate the wear of the new sprocket teeth.
