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Description
Made from the latest generation of computer design and control metal cutting equipment for maximum durability. Sprockets are heat-treated and hand-finished to meet or exceed the highest possible quality standards. Lightweight with superior hardness and strength.
Technical Specifications
- MFG. Part Number JTF409.14
Vehicle Information
Kawasaki KLX125L Dirt Bike (2003-2006)
The Kawasaki KLX125L, produced from 2003 to 2006, is an air-cooled, four-stroke, single-cylinder off-road motorcycle. It is powered by a 124cc engine with a SOHC (Single Overhead Camshaft) and two valves, featuring a 9.5:1 compression ratio and a Mikuni VM20SS carburetor. This model was equipped with a kick starter and a smooth-shifting 5-speed manual gearbox. The KLX125L was offered as a distinct variant of the KLX125 platform, with the “L” designation indicating a “large-wheeled” version. It featured a 19-inch front wheel and a 16-inch rear wheel, along with a front disc brake and a rear drum brake, differentiating it from the standard KLX125 which had smaller wheels and drum brakes on both ends. There were no significant mid-cycle generation or engine changes reported for the KLX125L between 2003 and 2006; the engine specifications and design remained consistent throughout these model years. FAQ: How can I ensure this part fits my Kawasaki KLX125L?
Use our year and model selector at the top of the page to confirm compatibility.
Maintenance
| Component | Interval | Details |
| Engine Oil Change and Filter | Variable, from 5 to 15 hours | Engine oil change: every 10 hours (recreational) or 5 hours (aggressive). For 2005 models: 15 hours (recreational) or 10 hours (aggressive). The oil filter should be changed with each oil change, or every 200 hours according to a general guide. |
| Air Filter Service | Variable, from 5 to 15 hours | Clean and re-oil air filter every 10-15 hours (recreational) or 5-10 hours (aggressive). Paper elements should be cleaned every 100 hours and replaced every 200 hours or annually. |
| Spark Plug | 13,000 to 16,000 km or every 100 hours | Standard spark plugs typically last between 13,000 and 16,000 km. A general Kawasaki guide recommends cleaning and gapping every 100 hours. |
| Valve Inspections (Clearances) | Variable, from 15 to 30 hours | Valve inspection: every 30 hours (recreational) or 15-20 hours (aggressive). For 2005 models: every 20 hours. |
| Top-End Inspections | Variable, from 25 to 50 hours | Top-end inspection (piston, rings, cylinder head): every 50 hours (recreational) or 25-30 hours (aggressive). |
| Bottom-End Inspections | Variable, from 50 to 100 hours | Bottom-end inspection (crankshaft, transmission components): every 100 hours (recreational) or 50-70 hours (aggressive). For 2003 models: 100 hours (recreational) or 70 hours (aggressive). For 2005 models: 80 hours (recreational) or 50 hours (aggressive). |