The Yamaha YZ 85 motorcycle specifications include a 84.7 cc (5.17 cu in) engine and a listed weight of 66 kg (145.5 lb).
Key specifications
The 2002 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the Yamaha YZ 85 compares
This compares the motorcycle with all Yamaha models in this specifications database. The blue marker is this model and the grey line is the Yamaha database average.
About 85% lower than the Yamaha database average. Around the 9th percentile across Yamaha models.
About 9% taller than the Yamaha database average. Around the 87th percentile across Yamaha models.
Yamaha database percentile rankings
Percentiles show where this motorcycle sits across the Yamaha specifications database. They are descriptive database rankings, not performance ratings.
85 cc — larger displacement than about 9% of Yamaha models.
864 mm — taller than about 87% of Yamaha models.
Dimensions compared with Yamaha average
Each measurement is compared with the average value across Yamaha models where that dimension is available.
1,818
2,082
13% below average.
758
823
8% below average.
1,161
1,172
Close to average.
1,255
1,416
11% below average.
864
793
9% above average.
351
181
94% above average.
Mechanical overview
Additional useful specifications
| Front tire size | 70/100-17 40M |
|---|---|
| Rear tire size | 90/100-14 49M |
| Front tire width | 70 mm |
| Front tire aspect ratio | 100% |
| Front rim diameter | 17 in |
| Rear tire width | 90 mm |
| Rear tire aspect ratio | 100% |
| Rear rim diameter | 14 in |
| Bore/stroke ratio | 0.99:1 (Square) |
Engine specifications
| Engine type | Single cylinder, two-stroke |
|---|---|
| Displacement | 84.7 cc (5.17 cu in) |
| Bore × stroke | 47.5 x 47.8 mm (1.9 x 1.9 inches) |
| Compression ratio | 8.2:1 |
| Cooling system | Liquid |
Chassis and suspension
| Front wheel travel | 275 mm (10.8 inches) |
|---|---|
| Rear wheel travel | 282 mm (11.1 inches) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 70/100-17 40M |
| Rear tire | 90/100-14 49M |
Dimensions and weight
| Dry weight | 66 kg (145.5 lb) |
|---|---|
| Seat height | 864 mm (34.0 inches) |
| Overall length | 1,818 mm (71.6 inches) |
| Overall width | 758 mm (29.8 inches) |
| Overall height | 1,161 mm (45.7 inches) |
| Wheelbase | 1,255 mm (49.4 inches) |
| Ground clearance | 351 mm (13.8 inches) |
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Yamaha models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Yamaha information before relying on them. Visit the official Yamaha website.