Yamaha R1
170 hp, 998 cc, 428 lbs2004
Triumph Street Triple R
108 hp, 675 cc, 417 lbs2009 - 2012
EngineYamaha R1Triumph Street Triple R
Displacement998 cc675 cc
Max power170 hp (@12 500 RPM)108 hp (@11 700 RPM)
Max torque78 lb ft (@10 500 RPM)50 lb ft (@9 200 RPM)
Redline13 500 RPM13 000 RPM
Idling speed1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Inline-3
Compression12.40:112.65:1
Oil capacity3.60 quart2.84 quart
Oil type15W50, Motul 300V 15W50, Liqui Moly 15W5010W50, Motul 300V 10W40, Liqui Moly 10W50
Spark plug typeNGK CR9EKNGK CR9EK, NGK CR9EIX
CoolingLiquidLiquid
Valves1612
Bore77.0 mm74.0 mm
Stroke53.6 mm52.3 mm
Weight to power2.52 lbs/hp3.86 lbs/hp
Power to weight993 hp/2500lbs647 hp/2500lbs
Battery typeYTX9-BS, 12V 8Ah
GearboxYamaha R1Triumph Street Triple R
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain typeRK O-Ring 525 116 links
Gears count66
Primary ratio1.5121.848
Final drive2.6472.937
1. gear2.533 (97 mph)2.615 (68 mph)
2. gear2.063 (119 mph)1.857 (95 mph)
3. gear1.762 (139 mph)1.565 (113 mph)
4. gear1.522 (161 mph)1.35 (131 mph)
5. gear1.364 (180 mph)1.238 (143 mph)
6. gear1.269 (194 mph)1.136 (155 mph)
ChasisYamaha R1Triumph Street Triple R
Frame typeDiamondTwin-spar aluminium
Front susp.Telescopic fork - Coil spring/oil damper (120 mm travel)USD fork,
Rear susp.Swingarm (link suspension) - Coil spring/gas-oil damperMonoshock
Dyno chart of 2012 Triumph Street Triple R