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Description
Upgrade your KTMs low-load bearings to high-spec with this complete kit. Includes bearings, spacers and seals. For replacement bearings & seals see M04-251553.
Technical Specifications
- MFG. Part Number 25-1737
Vehicle Information
KTM 150 EXC Dirt Bike (2021-2023)
The KTM 150 EXC (2021-2023) is a lightweight, high-performance enduro motorcycle, powered by a single-cylinder, two-stroke engine of approximately 144 cc with TPI (Transfer Port Injection). These models featured consistent engine specifications and primarily offered a single trim, with yearly refinements and updates. While the 150 EXC TPI was not available in a "Six Days" edition during this period, each model year brought targeted improvements. In 2021, it received a new cast piston and an additional preload adjuster for the WP XPLOR front fork. The 2022 model year saw revised WP suspension settings, improved oil circulation in the suspension, and new MAXXIS MaxxEnduro tires. For 2023, updates focused on suspension versatility, performance enhancements via ECU settings, and modifications to the frame and swingarm designs for better impact absorption and an optimized riding experience. FAQ: Q: How can I ensure parts fit my KTM 150 EXC? R: To guarantee compatibility, please use the year and edition selector available on this page.
Maintenance
| Component | Interval | Details |
| Engine Oil / Oil Filter | Every 10 hours (recreational riding) or every 5 hours (aggressive/race riding) | Includes oil filter replacement. |
| Spark Plug | Periodically | Inspection and replacement as needed for optimal TPI performance. |
| Air Filter | Check every 30 minutes. Service every 10 hours (2021-2022 recreational), 15 hours (2023 recreational) or 5 hours (aggressive/race). | Clean regularly, more frequently in dusty/muddy conditions. Replace after several cleaning cycles or if damaged. |
| Coolant | Annually | Check level regularly (approximately 10 mm above radiator fins). Replace sooner if dirty or if the bike has overheated. |