1985 Honda NS 400R vs 2015 KTM RC 390

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
1985 Honda NS 400R 1985 Honda NS 400R

Sport

Engine
V3
Power
59 hp @ 8500 rpm
Top Speed
207.0 km/h
Weight
423.3 pounds
2015 KTM RC 390 2015 KTM RC 390

Sport

Engine
Four stroke, single cylinder. DOHC with finger followers, 4 Valve per cylinder
Power
32 kW / 43 hp @ 9500 rpm
Top Speed
N/A
Weight
139 kg / 306.4 lbs
Full Specifications
General
Year19852015
Make ModelHonda NS 400RKTM RC 390
Dimensions
Seat Height780 mm / 30 in820 mm / 32.2 in
Wheelbase1385 mm / 54.5 in1340 mm / 52.7 in
Ground Clearance-179 mm / 7.0 in
Height1150 mm / 45.2 in1267 mm / 49.9 in
Length2065 mm / 81.2 in2002 mm / 78.8 in
Width720 mm / 28.3 in873 mm / 34.4 in
Weights & Capacities
Dry Weight163 kg / 259.3 lbs139 kg / 306.4 lbs
Fuel Capacity19 Litres / 5.02 US gal10 Liters / 2.64 US gal
Wet Weight183 kg / 403.4 lbs-
Performance
Top Speed202 km/h / 125.5 mph-
Max Power 72 hp / 52.5 kW @ 9500 rpm 32 kW / 43 hp @ 9500 rpm
Max Power - Rear Tyre59 hp @ 8500 rpm-
Max Torque5.1 kgf-m @ 8000 rpm3.6 kgm /35.3 Nm @7250rpm
Standing Start ¼ Mile13.03 sec / 164.2 km/h-
Engine
Stroke2-
Fuel ControlMembrane-
Engine TypeV3-
Displacement387 cc / 23.6 cu-in373 cc / 22.7 cu-in
Engine DetailTwo stroke, 90°V-three cylinder, reed valveFour stroke, single cylinder. DOHC with finger followers, 4 Valve per cylinder
Bore x Stroke57 x 50.6 mm89 x 60 mm
Compression Ratio6.7:112.6:1
Cooling SystemLiquid cooledLiquid Cooled
Fuel Consumption30 mpg-
Fuel Induction3x 26mm Keihin carburetorsBosch Injection
IgnitionCDI Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment
Lubrication-Forced oil lubrication with 2 Eaton pumps
StarterKick Electric
Drivetrain
Clutch-Wet multi-disc clutch / mechanically operated
Final DriveChainChain 5/8 x 1/4" X‑Ring
Gear Ratios1st 2.500 / 2nd 1.714 / 3rd 1.333 / 4th 1.111 / 5th 0.965 / 6th 0.866-
Gearbox6-speed-
Primary Drive Ratios-30:80
Secondary Drive Ratio-15:45
Transmission / Drive6 speed 5 Speed
Chassis
Frame TypeDouble cradleTubular space frame made from steel, powder-coated
Suspension - FrontAir assisted forks. adjustable anti-diveWP Suspension Up Side Down
Suspension - RearPro-link adjustable preloadWP Monoshock
Steering Head Angle-65 °
Trail-100mm / 3.9 in
Wheel Travel - Front120 mm / 4.7 in120 mm / 4.7 in
Wheel Travel - Rear100 mm / 3.9 in150 mm / 5.9 in
Wheels & Brakes
Brakes - Front2x 256mm discs 2 piston calipersSingle 300 mm disc 4 piston radial caliper
Brakes - RearSingle 220mm disc 2 piston caliperSingle 230 mm disc 1 piston caliper
Tyres - Front100/90 -16110/70 R17
Tyres - Rear110/90 -17150/60 R17

Verdict

Too close to call

The 1985 Honda NS 400R and the 2015 KTM RC 390 are evenly matched across the key measurable criteria. Your decision comes down to personal preference, riding style, and which brand's dealer network best suits your location.

Key Differences

1985 Honda NS 400R - Advantages

  • More power: Produces 72 hp vs 32 kW - a meaningful performance advantage.
  • Larger fuel tank: More range between stops - an advantage on touring routes and remote roads.
  • Lower seat height: 780 mm vs 820 mm - accessible to a wider range of rider heights.

2015 KTM RC 390 - Advantages

  • Lighter: 139 kg vs 183 kg - easier to handle and less fatiguing on long trips.
  • Fuel injection: Precise fuelling, better cold-start reliability, and lower maintenance requirements.
  • More rear wheel travel: 150 mm vs 100 mm - absorbs bigger hits and rough terrain better.

1985 Honda NS 400R vs 2015 KTM RC 390 - FAQs

What are the engine differences between the 1985 Honda NS 400R and 2015 KTM RC 390?
The 1985 Honda NS 400R uses V3, while the 2015 KTM RC 390 is powered by Four stroke, single cylinder. DOHC with finger followers, 4 Valve per cylinder.
Which is lighter, the 1985 Honda NS 400R or the 2015 KTM RC 390?
The 2015 KTM RC 390 is lighter at 139 kg compared to 183 kg for the 1985 Honda NS 400R - a difference of 44 kg. This is a meaningful difference that affects handling and rider fatigue.
Which has more power, the 1985 Honda NS 400R or the 2015 KTM RC 390?
The 1985 Honda NS 400R produces more peak power at 72 hp, compared to 32 kW for the 2015 KTM RC 390.
Which bike is better for shorter riders, the 1985 Honda NS 400R or the 2015 KTM RC 390?
The 1985 Honda NS 400R has the lower seat at 780 mm, making it more accessible. The 2015 KTM RC 390 sits higher at 820 mm. A seat height below 800 mm suits most riders; above 820 mm shorter riders may need to tiptoe.
Which has the larger fuel tank, the 1985 Honda NS 400R or the 2015 KTM RC 390?
The 1985 Honda NS 400R has the larger tank at approximately 19 litres vs 10 litres for the 2015 KTM RC 390. At 5-6 l/100 km that is roughly 316-380 km vs 166-200 km between stops.
Which should I buy, the 1985 Honda NS 400R or the 2015 KTM RC 390?
Both are strong choices. The 1985 Honda NS 400R has the edge in more peak power and larger fuel tank, while the 2015 KTM RC 390 stands out for lighter kerb weight and fuel injection. Visit dealers, arrange test rides, and factor in local parts and service costs - these often matter as much as the spec sheet.