Honda Rc45 vs Honda Rc51 Sp1
Side-by-side comparison for used motorcycle buyers
Honda Rc45 vs Honda Rc51 Sp1. Honda Rc45: 118 hp @ 12,000 rpm hp, 185 kg (wet/curb weight) weight, top speed ~270 km/h, Motoryk rating 8.5/10. Honda Rc51 Sp1: 136 hp @ 10,000 rpm hp, 201 kg (wet/curb weight) weight, top speed 270 km/h, Motoryk rating 8.0/10.
Performance at a Glance
Green = winner per metric · Bars are relative to the higher value
Honda Rc45
Honda Rc51 Sp1
Horsepower (hp)
118 hp
136 hp
Torque (Nm)
83 Nm
102 Nm
Top Speed (km/h)
270 km/h
270 km/h
Weight (kg) — lower is better
185 kg
201 kg
Type
Supersport
Supersport
Horsepower
118 hp @ 12,000 rpm
136 hp @ 10,000 rpm
Torque
83 Nm @ 10,000 rpm
102 Nm @ 8,000 rpm
Top Speed
~270 km/h
270 km/h
Weight
185 kg (wet/curb weight)
201 kg (wet/curb weight)
Fuel
~7.5 L/100km (est. 13.3 km/L)
7.5 L/100km (approximately 13.3 km/L, typical real-world average)
Fairing
Yes
Yes
Individual Reviews
Honda Rc45
8.5/10
"A magnificent investment piece that will punish uninformed buyers mercilessly."
Pros
+Incredible V4 engine character
+Genuine racing homologation history
+Strong investment appreciation
Cons
−Parts scarcity is brutal
−Cam chain issues lurk
−Maintenance costs are astronomical
Honda Rc51 Sp1
8.0/10
"A flawed masterpiece that rewards patient, experienced owners who research thoroughly."
Pros
+Intoxicating V-twin soundtrack
+Honda reliability versus competitors
+Appreciating collector value
Cons
−Expensive valve service intervals
−SP1 fueling rough below 4000rpm
−Frame crack history on track bikes
Top 10 Accessories
Picks that work on either bike.
