Yamaha R6
121 hp, 600 cc, 401 lbs2003 - 2004
Honda Grom
9 hp, 125 cc, 225 lbs2013 - 2018
EngineYamaha R6Honda Grom
Displacement600 cc125 cc
Max power121 hp (@13 000 RPM)9 hp (@6 750 RPM)
Max torque44 lb ft (@12 000 RPM)7 lb ft (@5 350 RPM)
Redline15 500 RPM9 300 RPM
Idling speed1 400 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4SOHC Single
Compression12.40:19.30:1
Oil capacity3.22 quart
Oil type10W40, Motul 300V 10W40, Shell Rotella 10W4010W30
Spark plug typeNGK CR9EK, NGK CR10EKNGK CPR6EA-9
CoolingLiquidAir
Valves162
Bore65.5 mm52.0 mm
Stroke44.5 mm58.0 mm
Throttle bore38.0 mm24.0 mm
Weight to power3.32 lbs/hp24.99 lbs/hp
Power to weight753 hp/2500lbs100 hp/2500lbs
Battery type12 V 8 Ah, GT9B-412V 3.5Ah, YTZ5S
GearboxYamaha R6Honda Grom
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type420 106 links
Gears count64
Primary ratio1.9553.35
Final drive3.02.267
1. gear2.846 (68 mph)2.5 (28 mph)
2. gear1.947 (100 mph)1.55 (45 mph)
3. gear1.556 (125 mph)1.15 (61 mph)
4. gear1.333 (146 mph)0.923 (76 mph)
5. gear1.19 (164 mph)
6. gear1.083 (180 mph)
ChasisYamaha R6Honda Grom
Frame typeDiamondBack bone type
Front susp.Telescopic fork USD, 4.72 in travel31mm USD, 3.94 in travel
Rear susp.Swingarm link, spring/gas-oil damperMonoshock, 4.09 in travel