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 420 MX Dirt Bike
JT Self Cleaning Steel Front Sprocket for KTM 420 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 420 MX Dirt Bike (1979-1981)
The KTM 420 MX, produced from 1979 to 1981, was a prominent model in KTM's lineup, known for its powerful two-stroke engine and robust design. In 1979, KTM introduced the new 420cc (Type 560) engine and a new frame/suspension system, the MC80/GS80, marking a significant evolution. This new frame was designed to be versatile, allowing conversion from motocross to enduro. The 1980 models saw the introduction of the GS 420cc version and minor modifications to the bearing plate and clutch, while the 495cc engine also made its debut. In 1981, although the 420cc was still available, the focus gradually shifted towards the larger displacement 495cc engine. FAQ:
Q: Is this product compatible with my 1980 KTM 420 MX?
R: To ensure perfect compatibility, please use the year and model selector at the top of the page.
Maintenance
| Component | Interval | Details |
| Gearbox Oil | Every 5 to 10 hours of use or every 6 months | For two-stroke engines like the KTM 420 MX, gearbox oil maintenance is crucial. These older models generally do not have a separate oil filter for the engine lubrication system, as the engine is lubricated by oil mixed with fuel. |
| Belt | Not applicable | The KTM 420 MX uses a chain for its final drive, not a belt. No maintenance is required for a belt. |
| Spark Plug | Inspect frequently and replace as needed, or at least annually | Older two-stroke dirt bikes often require more frequent spark plug inspection and replacement due to the nature of their combustion and operating conditions. |
| Air Filter | Inspect after every ride. Clean every 2-3 rides or every 3-4 hours of use. | The air filter is a critical maintenance item for dirt bikes, especially in dusty environments. Replace if damaged or degraded. |
| Coolant | Not applicable | The 1979-1981 KTM 420 MX features an air-cooled engine. Therefore, there is no liquid coolant system, and no coolant maintenance is required. |
It is always best to consult an original owner's or repair manual for the most accurate and specific details.