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Description
Technical Specifications
- MFG. Part Number 1030020035
Vehicle Information
Yamaha RT100 Dirt Bike (1990-2000)
The Yamaha RT100, produced from 1990 to 2000, was a 97cc or 98cc two-stroke, single-cylinder trail/dirt bike. Designed for youth and entry-level off-road riders, it was known for its simplicity and reliability. Its air-cooled engine used a carburetor and produced around 6 to 7 horsepower (1997 model). Throughout its production from 1990 to 2000, the Yamaha RT100 maintained a remarkably consistent core design. There were no significant mid-cycle generation changes or major engine overhauls. Annual alphanumeric designations (such as RT100A for 1990 or RT100M for 2000) primarily indicated the model year rather than distinct trim levels. Annual updates were generally limited to graphics or subtle component refinements. Q: How do I ensure I get the right parts for my Yamaha RT100?
A: To guarantee a perfect fit, please use the year and model selector at the top of this page.
Maintenance
| Component | Interval | Details |
| Engine Oil Changes (2-stroke oil) | 10 hours (recreational) or 5 hours (aggressive) | Uses Yamalube 2-cycle oil or other 2-stroke engine oil. |
| Transmission Oil | Initial change at 1 month, then every 24 months | Recommended Yamalube 4 (10W30) or SAE10W30 type SE motor oil. Amount: 0.65 L. |
| Air Filter Service | 10 hours (recreational) or 5 hours (aggressive) | Wash, dry, and re-oil foam filter. More frequent in wet or dusty conditions. |
| Spark Plug | Annual inspection | Fit a fresh, properly gapped plug during pre-season. Inspect cap and lead. |
| Valve Inspection (2-stroke engine) | 20 hours | Check components specific to 2-stroke engines. |
| Top-End Inspections (Cylinder, Piston, Head) | 30 hours (recreational) or 15 hours (aggressive) | Check bore, piston crown, ring, and small-end needle bearing. |