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Description
Technical Specifications
- MFG. Part Number 103-066-0054
Vehicle Information
Yamaha YZ65 Dirt Bike (2018-2026)
The Yamaha YZ65, a high-performance junior motocross bike, was introduced as an all-new model in 2018 and has maintained a consistent mechanical platform through the 2018-2026 model years. It is powered by a robust 65cc (64.8cc) liquid-cooled, two-stroke, single-cylinder engine featuring a Keihin PWK28 carburetor and the Yamaha Power Valve System (YPVS) for a broad powerband. Throughout this period, the YZ65 has been offered as a single, standard model, with no distinct trims or sub-models. Updates have primarily focused on graphics, ensuring the core engine, chassis, and suspension specifications remain consistent from its 2018 debut to the 2026 models. FAQ:
Q: How can I ensure this product fits my Yamaha YZ65?
A: To guarantee compatibility, please use the year and edition selector at the top of this page. Q: Are there different trims or sub-models for the YZ65 (2018-2026)?
A: No, the Yamaha YZ65 has been consistently offered as a single, standard model across all years from 2018 to 2026.
Maintenance
| Component | Interval | Details |
| Engine Oil (Transmission Oil) | 5 hours (aggressive/race riding) or 10 hours (recreational riding) | Capacity approximately 0.5 liters. Use 10W-30 motorcycle oil or SAE 85 gear oil. |
| Spark Plug | Inspection/Cleaning every 10 hours | Replace if necessary. |
| Air Filter | Clean and inspect every 2-3 hours (aggressive/race riding) or 5 hours (recreational riding) | Clean more frequently in dusty conditions. |
| Coolant | Check level regularly. Replace annually (at most). | Inspect cooling system for any leakage. |
| Power Valve System (YPVS) Inspection | 10 hours (aggressive/race riding) or 20 hours (recreational riding) | |
| Top-End Inspection (Piston, Cylinder, Head) | 15-20 hours (aggressive/race riding) or 30 hours (recreational riding) | |
| Bottom-End Inspection (Crankshaft and Bearings) | 25-30 hours (aggressive/race riding) or 50-60 hours (recreational riding) |