CONNECTING ROD KX250 21-26, ATHENA P40321056 KAWASAKI
Connecting rod kit for Kawasaki KX 250 and KX X 250 cc four-stroke off-road motorcycles from 2021 to 2026. Manufactured in Japan, this Athena connecting rod is engineered for motocross and enduro applications where reliability under high thermal and mechanical stress is required. Designed to match the original engine configuration without modification, it is suitable for racing builds, major maintenance and professional engine overhauls. Development and track testing with factory teams competing in MXGP, AMA Supercross, Pro Motocross and EnduroGP support its suitability for demanding off-road use.
Features
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High-strength forged connecting rod
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Includes big-end pin
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Needle bearing included where required for the application
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Thrust washers included where required for the application
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Manufactured in Japan under strict quality control
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Designed for high fatigue resistance, long service life and consistent performance
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Developed for demanding motocross and enduro conditions
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Race-tested in professional off-road competition
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Matches the original engine configuration without modification
Specifications
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Big-end bore: 30.00 mm
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Big-end pin diameter: 30.00 mm
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Big-end width: 19.00 mm
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Centre-to-centre length: 95.00 mm
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Piston pin diameter: 16.00 mm
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Small-end width: 15.00 mm
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Premium materials with ultra-precise manufacturing tolerances
Cross-Reference OEM Part Numbers
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Athena: P40321056
Vehicle Fitments
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Kawasaki KX 4T 250 cc: 2021–2026
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Kawasaki KX X 250 cc: 2021–2026