Hot Rods Crankshaft Assembly
M09-164380 (MFG #: 4096)
$637.67
Sale price
$637.67
Regular price
$671.23
Sale
-4%
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Hot Rods Crankshaft Assembly for KTM 50 SX Dirt Bike
Hot Rods Crankshaft Assembly for KTM 50 SX Dirt Bike
$637.67
Sale price
$637.67
Regular price
$671.23
Sale
-4%
SKU:M09-164380
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Description
Hot Rods Crankshift Assemblies.
FEATURES
- All new assembly sold complete with Hot Rods connecting rod
- Crankshafts are sold complete with the original proven Hot Rods connecting rods, top end bearings, and crankshaft webs
- Factory assembled and trued to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance and durability
- Cranks are sold ready for installation and are completely re-buildable with genuine Hot Rods connecting rods
- Main bearings not included
Technical Specifications
- MFG. Part Number 4096
Vehicle Information
KTM 50 SX Dirt Bike (1994-2026)
The KTM 50 SX, a cornerstone in youth motocross from 1994 to 2026, has consistently offered a potent package for aspiring riders. This mini-motocross bike features a single-cylinder, two-stroke, liquid-cooled 49cc or 49.9cc engine, paired with an automatic centrifugal clutch for ease of use. Horsepower has evolved from approximately 2 HP in early models to around 5.5 HP in recent years, with power-reduction kits available to tailor performance for different skill levels. Over its long production run, the KTM 50 SX has seen significant generational advancements. Early models (1994-early 2000s) often featured air-cooled engines and drum brakes, gradually transitioning to liquid cooling and disc brakes. A major overhaul in 2017 introduced revolutionary WP AER 35 air-sprung front forks and a newly developed exhaust. More recently, the 2024 models received a full revamp, including a new chromoly steel frame, adjustable ergonomics, and an updated automatic clutch, with Factory Edition trims offering premium components. Various trims like SX Mini, SX Junior, and SX Senior have catered to different age and skill groups throughout the years. FAQ:
Q: How can I ensure this product fits my KTM 50 SX?
A: To guarantee compatibility, please use the year and edition selector on this page to find parts specific to your model.
Maintenance
| Component | Interval | Details |
| Engine Oil Change | 5 to 10 hours (recreational) or 3 to 5 hours (race) | More frequent for aggressive or race riding. |
| Oil Filter | With every engine oil change | Recommended to maintain engine performance. |
| Air Filter Service | 2 to 5 hours, or after every ride in harsh conditions | Clean more frequently in dusty or muddy conditions. |
| Spark Plug | Check regularly, replace every 10 hours if necessary | Electrode gap: 0.60 mm. |
| Coolant | Every 90 hours or 24 months | Completely drain and replace. |
| Power Valve System Inspection | 15 to 20 hours | More frequent for aggressive riding. Inspect the power valve system. |
| Top-End Inspection | 20 to 50 hours | Check piston, rings, and cylinder. Interval varies by riding style. |
| Bottom-End Inspection | 30 to 100 hours | Check crankshaft and bearings. Interval varies by riding style. |
Intervals may vary by model year and riding style. Always consult your vehicle's specific owner's manual.