Free · Open Source · First-Principles Physics Engine

Motorcycle
Quarter Mile Simulator

India's only physics-based motorcycle drag racing ET predictor. Simulate any bike, any venue, any build — in seconds.

108 bikes · 15 physics sub-models · Validated at Aamby Valley, MMRT & BIC · Indian parts pricing in ₹

108
Indian & global bikes
±0.07s
Best validation accuracy
15
Physics sub-models
5
Indian drag venues

Full simulation app in development

Parts ROI in ₹ · Sobol sensitivity · Dragy GPS import · Dyno & ECU import · Build optimiser · Leaderboard

Launching Soon

Free Tool

Motorcycle Quarter Mile Calculator

Select your bike, enter rider weight, and simulate. The physics engine models tyre slip, weight transfer, gear shifting, and ambient conditions — not just power-to-weight.

Quarter-Mile Simulator API Launching Soon

Simulation API launching soon

Quarter-Mile ET

10.039s

example output

Trap Speed

239.8

km/h

First-principles RK4 physics · 15 sub-models · 1 ms timestep

Ground Truth

Validated Against Real Data

15-submodel physics engine benchmarked against published quarter-mile data from Cycle World, Motorcyclist, MCN, xBhp, and overdrive.in. All runs at ISA standard atmosphere — 15 °C, sea level, 75 kg rider.

10 bikes validated
10/10 within ±0.20s of reference
8/10 within ±0.10s
6 manufacturers
±0.07s

Suzuki GSX-R 1000 K5

999cc · Superbike

Ref9.97s
Sim10.04s
In range

Yamaha YZF-R1 4C8

998cc · Superbike

Ref10.2–10.4s
Sim~10.3s
In range

Kawasaki ZX-14R '12

1441cc · Hypersport

Ref9.91–10.10s
Sim9.95s
In range

Yamaha MT-09 '21

890cc · Naked

Ref11.22–11.45s
Sim11.32s
−0.08s

Kawasaki ZX-10RR '21

998cc · Superbike

Ref10.28–10.45s
Sim10.20s
−0.04s

Kawasaki ZZR1400 '06

1352cc · Hypersport

Ref10.05–10.25s
Sim10.01s
−0.05s

BMW M1000RR '21

999cc · Superbike

Ref10.22–10.40s
Sim10.17s
−0.07s

Honda CBR1000RR-R '20

999cc · Superbike

Ref10.30–10.50s
Sim10.23s
−0.07s

Suzuki GSX-R750 K8

750cc · Supersport

Ref10.92–11.12s
Sim10.85s
−0.02s

RE Continental GT 650

648cc · Sport Tourer

Ref14.90–15.50s
Sim14.88s

Sources: Cycle World, Motorcyclist, MCN, Visordown, xBhp, overdrive.in · Validation ongoing — more bikes being added

Under the Hood

15 Physics Sub-Models

Unlike simple power-to-weight calculators, MotoQuant Pro runs a full numerical simulation of your motorcycle's run — from staged position to the traps. Every millisecond accounts for tyre slip, aerodynamic drag, clutch engagement, gear-shift timing, rider weight transfer, and real atmospheric conditions at your chosen venue.

Engine & Drivetrain

  • 3D engine torque curves (Willans friction model)
  • Forced induction — turbo, supercharger, nitrous
  • Gear shifting and clutch engagement dynamics
  • Chain drive losses and sprocket ratios

Aerodynamics & Grip

  • Per-model Cd + frontal area (0 over-generalization)
  • Tyre slip dynamics (Pacejka + thermal model)
  • Weight transfer and traction limits
  • Rider CoG shift and wheelie physics

Environment & Setup

  • Air density, altitude and temperature correction
  • Rolling resistance and surface grip multipliers
  • Staging, reaction time, two-step launch control
  • Live weather effects at 12 drag venues

Integration & Validation

  • RK4 fixed-step integrator at 1 ms timestep
  • Adaptive step-size solver (RK45)
  • 565 passing test cases
  • Validated against real GPS and ECU telemetry

The Library

Curated Bike & Parts Catalog

108

Bikes

17 manufacturers incl. KTM, Bajaj, TVS, RE, Hero

69

Tyres

Pacejka + thermal model, 15 brands incl. MRF, CEAT

70

Parts

Sprockets, exhaust, ECU flash, nitrous, turbo, slicks

12

Venues

5 Indian strips + 7 international with seasonal weather

FAQ

Frequently Asked Questions

What is the quarter mile time of a Suzuki GSX-R 1000?

The Suzuki GSX-R 1000 K5 runs a quarter mile in approximately 9.97 seconds with a trap speed of around 239 km/h under ISA standard conditions (sea level, 15 °C, 75 kg rider). MotoQuant Pro simulates the GSX-R 1000 at 10.04 s — within 0.07 s of the published benchmark.

How fast is a Kawasaki Ninja ZX-14R in the quarter mile?

The Kawasaki ZX-14R (Ninja H2 predecessor, 1441 cc) covers the quarter mile in approximately 9.91–10.10 seconds. MotoQuant Pro's physics simulation predicts 9.95 s, which falls within the published range. It is one of the fastest stock motorcycles available for drag racing.

What is the quarter mile time of a Suzuki Hayabusa?

The Suzuki GSX1300R Hayabusa (Gen 1) runs a quarter mile in 10.1–10.7 seconds depending on conditions, gearing, and rider weight. At Indian venues like Aamby Valley (altitude ~120 m), expect times toward the slower end of that range. MotoQuant Pro simulates the Hayabusa at 10.47 s at sea level, ISA conditions.

What is the quarter mile time of a KTM Duke 390?

The KTM Duke 390 (2023 model, 373.2 cc, ~44 PS) runs the quarter mile in approximately 13.5–14.2 seconds under normal conditions. At altitude (Aamby Valley, ~120 m above sea level) expect the high end of that range. MotoQuant Pro includes the Duke 390 in its 108-bike database with individual Cd and frontal area for accurate simulation.

How does altitude affect motorcycle drag racing times?

Altitude reduces air density, which lowers aerodynamic drag but also reduces engine power on naturally aspirated engines. The net effect is usually slower ETs at altitude: at 500 m elevation, expect roughly 0.10–0.15 s slower quarter mile times. At Aamby Valley (~120 m), the effect is small but measurable. MotoQuant Pro models this with a full density altitude correction using live weather data.

Is there a free motorcycle drag racing simulator for Indian bikes?

Yes — MotoQuant Pro is a free, physics-based motorcycle drag racing simulator purpose-built for the Indian market. It includes 108 bikes across 17 manufacturers including KTM, Bajaj Pulsar, TVS Apache, Royal Enfield, Hero, Yamaha India (R15, MT-15, FZ-X), Honda India (CBR 250R, CB 300R), Kawasaki India (Ninja 300/400), and Triumph India. Indian drag venues (Aamby Valley, MMRT, BIC, Kari, Hyderabad) are all modelled with actual seasonal weather data.

What is the quarter mile time of a Bajaj Pulsar NS200?

The Bajaj Pulsar NS200 (199.5 cc, ~24.5 PS) runs the quarter mile in approximately 15.0–15.8 seconds under standard conditions. Times will vary based on rider weight, tyre choice, and atmospheric conditions. MotoQuant Pro simulates the NS200 with its production gear ratios sourced from Bajaj service manuals.

How accurate is MotoQuant Pro compared to real drag racing times?

MotoQuant Pro has been validated against published quarter mile data from Cycle World, Motorcyclist, MCN, and Indian sources. 10 out of 10 validated bikes land within ±0.20 s of their reference time, and 8 out of 10 are within ±0.10 s. The physics engine uses 15 sub-models including Pacejka tyre dynamics, RK4 numerical integration at 1 ms timestep, and per-model aerodynamic coefficients.

Which motorcycle modifications improve quarter mile times the most in India?

Based on MotoQuant Pro's parts ROI analysis (in INR): (1) ECU flash / tune — typically 0.15–0.30 s improvement for ₹8,000–₹20,000; (2) Sprocket change (rear +1 tooth) — 0.05–0.10 s for ₹1,500–₹3,000; (3) Exhaust system — 0.05–0.15 s for ₹15,000–₹50,000; (4) Slick or drag-compound tyres — 0.10–0.25 s. Parts ROI analysis will be available in the upcoming full simulator release.

What drag racing venues are supported in MotoQuant Pro?

MotoQuant Pro currently models 12 drag venues: 5 Indian strips (Aamby Valley Airstrip, MMRT Chennai, BIC Delhi, Kari Motor Speedway, Hyderabad Racing Circuit) and 7 international venues (Santa Pod UK, Pomona Fairplex USA, Gainesville Raceway USA, Sydney Dragway Australia, Dubai Autodrome, Al-Ain Dragway UAE, and Jerez Circuit Spain). Each venue has full 12-month seasonal weather and altitude data.

How do I predict my motorcycle's quarter mile time?

Use MotoQuant Pro's free web simulator: select your bike from the 108-bike database, enter rider weight, adjust power/mass if you've done modifications, and click Run. The physics engine runs a 15-submodel simulation and returns ET, trap speed, and gear-by-gear telemetry. The full app (coming soon) will also accept Dragy GPS data, dyno curves, and ECU logs for calibration.

What is a good quarter mile time for a 600 cc motorcycle?

A stock 600 cc supersport (Yamaha YZF-R6, Kawasaki ZX-6R, Honda CBR600RR) runs the quarter mile in approximately 10.8–11.5 seconds. A well-prepared drag bike in the same class with slicks, ECU tune, and sprocket change can approach 10.4–10.6 seconds. A stock 600 cc naked (Yamaha MT-07, Kawasaki Z650) will run 11.0–12.0 seconds depending on power-to-weight ratio.

Have a question not listed here? More bikes, venues, and community features coming with the full app launch.

Roadmap

What's Coming

The physics engine and full bike library are production-ready. The tools below are finishing deployment and will go live shortly.

Simulation App

Soon

Full GUI — parts ROI in ₹, Sobol analysis, dyno import, build optimiser, and leaderboard.

CLI & Python API

Soon

Full simulation from the terminal. Import Dragy GPS, dyno curves, and Woolich ECU logs.

REST API

Soon

POST /api/simulate — get full v(t), RPM(t), gear(t) timeseries with Pydantic validation.

In the meantime, explore the simulator and bike library above.