Engine | Yamaha R7 | Yamaha XSR900 |
---|---|---|
Engine code | CP2 | |
Displacement | 689 cc | 847 cc |
Max power | 73 hp (@8 750 RPM) | 113 hp (@10 000 RPM) |
Max torque | 49 lb ft (@6 500 RPM) | 64 lb ft (@8 500 RPM) |
Redline | 10 000 RPM | 11 250 RPM |
Idling speed | 1 200 RPM | 1 200 RPM |
Management | Fuel Injection | Fuel Injection |
Layout | DOHC Inline-2 | DOHC Inline-3 |
Compression | 11.50:1 | 11.50:1 |
Oil capacity | 2.18 quart | 2.56 quart |
Oil type | 10W40, 10W50 | 10W40, YAMALUBE 10W40 |
Spark plug type | NGK LMAR8A-9 | NGK CPR9EA9 |
Cooling | Liquid | Liquid |
Valves | 8 | 12 |
Bore | 80.0 mm | 78.0 mm |
Stroke | 68.6 mm | 59.0 mm |
Weight to power | 5.68 lbs/hp | 3.80 lbs/hp |
Power to weight | 440 hp/2500lbs | 657 hp/2500lbs |
Battery type | YTZ7S 12V 6Ah | 12V 8.6Ah |
Gearbox | Yamaha R7 | Yamaha XSR900 |
---|---|---|
Type | Sequential | Sequential |
Clutch | Slipper | Wet |
Drive | Chain | Chain |
Chain type | 525 | |
Gears count | 0 | 6 |
Primary ratio | 1.681 | |
Final drive | 2.813 | |
1. gear | 2.846 | 2.667 (66 mph) |
2. gear | 2.125 | 2.0 (88 mph) |
3. gear | 1.632 | 1.619 (108 mph) |
4. gear | 1.3 | 1.381 (127 mph) |
5. gear | 1.091 | 1.19 (147 mph) |
6. gear | 0.964 | 1.037 (169 mph) |
Chasis | Yamaha R7 | Yamaha XSR900 |
---|---|---|
Frame type | Diamond steel frame | Diamond |
Front susp. | KYB 41mm USD, 5.12 in travel | KYB USD, 5.39 in travel |
Rear susp. | Monoshock, 5.12 in travel | Swingarm, 5.12 in travel |