Engine | Yamaha R1 | Yamaha R7 |
---|---|---|
Engine code | CP2 | |
Displacement | 998 cc | 689 cc |
Max power | 170 hp (@12 500 RPM) | 73 hp (@8 750 RPM) |
Max torque | 78 lb ft (@10 500 RPM) | 49 lb ft (@6 500 RPM) |
Redline | 13 500 RPM | 10 000 RPM |
Idling speed | 1 200 RPM | |
Management | Fuel Injection | Fuel Injection |
Layout | DOHC Inline-4 | DOHC Inline-2 |
Compression | 12.40:1 | 11.50:1 |
Oil capacity | 3.60 quart | 2.18 quart |
Oil type | 15W50, Motul 300V 15W50, Liqui Moly 15W50 | 10W40, 10W50 |
Spark plug type | NGK CR9EK | NGK LMAR8A-9 |
Cooling | Liquid | Liquid |
Valves | 16 | 8 |
Bore | 77.0 mm | 80.0 mm |
Stroke | 53.6 mm | 68.6 mm |
Weight to power | 2.52 lbs/hp | 5.68 lbs/hp |
Power to weight | 993 hp/2500lbs | 440 hp/2500lbs |
Battery type | YTZ7S 12V 6Ah |