JT Self Cleaning Steel Front Sprocket
1008-9207 (MFG #: JTF1323.13SC)
$21.99
Sale price
$21.99
Regular price
$21.99
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JT Self Cleaning Steel Front Sprocket for KTM 300 MX Dirt Bike
JT Self Cleaning Steel Front Sprocket for KTM 300 MX Dirt Bike
$21.99
Sale price
$21.99
Regular price
$21.99
SKU:1008-9207
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Description
FEATURES
- Constructed of the same great quality and specifications that the Japanese OEMs have trusted and used since 1946
- 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)
- Manufactured from case-hardened chromoly steel for unparalleled strength and durability
Technical Specifications
- MFG. Part Number JTF1323.13SC
Vehicle Information
KTM 300 MX Dirt Bike (1986-1991)
The KTM 300 MX, produced from 1986 to 1991, is an iconic off-road motorcycle renowned for its motocross and enduro performance. Initially, the 1986 model featured a 273cc two-stroke engine, derived from a 250cc unit, and was available in trims such as the 300 MX, MXC, and GS. A notable hiatus in 300cc model production occurred from 1987 to 1989. The series was relaunched in 1990 with an entirely new 297cc two-stroke engine, considered the precursor to modern KTM 300s. This engine, with a 72mm bore and 73mm stroke, was praised for its smooth and linear power delivery. The 1990 models also benefited from a new twin-valve control exhaust power valve system, a more rigid chassis, and a lower seat height. In 1991, further updates were made to the power valve and cylinder porting to optimize the torque curve. The 1990 and 1991 versions included the 300 MX, MXC, EXC, and other enduro-specific trims. FAQ:
Q: How can I ensure parts compatibility for my KTM 300 MX?
R: To guarantee compatibility, please use the year and edition selector available on this page.
Maintenance
| Component | Interval | Details |
| Engine Oil Change | Every 10 hours (recreational) or 5 hours (aggressive/race) | Replace oil filter with each oil change. |
| Air Filter Service | Every 15 hours (recreational) or 5-10 hours (aggressive/race) | Inspect, clean, and re-oil regularly, especially after dusty conditions. |
| Spark Plug | Not specified | |
| Coolant | Not specified | Check fluid levels frequently. |
| Belt | Not applicable (uses chain drive) | |
| Top-End Inspection (piston and cylinder) | Every 50 hours (recreational) or 30 hours (aggressive/race) | Some sources suggest 100-125 hours for normal riding. |
| Bottom-End Inspection (crankshaft and bearings) | Every 100 hours (recreational) or 50-60 hours (aggressive) | |
| Exhaust Power Valve Inspection | Every 30 hours |
The maintenance intervals below are based on KTM 300 EXC models from the same period and may not be 100% accurate for your specific 300 MX. Always consult your vehicle's official owner's manual.