MotoLibrary MotoLibrary
← Kymco
Naked bike · 2004

Grand King 125

User Rating: /5 · No user ratings yet ✓ Your rating was saved
MotoLibrary Score
34 /100 Commuter
Power/Weight
0.1 hp/kg
Torque
10 Nm
Engine
124 ccm

2004 Kymco Grand King 125 Technical Analysis & Specification Breakdown

Positioned in Kymco's naked motorcycle lineup, the 2004 Kymco Grand King 125 pairs a 124.1 cc (7.6 cu in) air-cooled single cylinder, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 10.7 HP (7.8 kW) at 8,500 rpm while maximum torque reaches 9.5 Nm (7 lb-ft) at 7,500 rpm, transferring power to the rear wheel through a 4-speed gearbox. With a specific output of 86.2 HP per liter and a 1,000 rpm working window between peak torque (7,500 rpm) and peak power (8,500 rpm), the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

On the scales, the Grand King 125 measures 110 kg (243 lbs) dry, translating to a power-to-weight ratio of 0.1 HP/kg (10.28 kg per horsepower).

Within MotoLibrary's Kymco archive, this model family spans 2 indexed model years from 2004 to 2007, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.

Specific Output
86.2 HP/L
Power-to-Weight
0.1 HP/kg (10.28 kg/HP)
Power Band Window
7,500–8,500 rpm
Engine
Displacement 124.1 ccm (7.57 cubic inches)
Engine Type Single cylinder, four-stroke
Engine Details Single cylinder, four-stroke
Power 10.7 HP (7.8 kW)) @ 8500 RPM
Torque 9.5 Nm (1.0 kgf-m or 7.0 ft.lbs) @ 7500 RPM
Cooling Air
Transmission
Gearbox 4-speed
Wheels & Brakes
Front Tyre 2.75-18 4PR
Rear Tyre 3.50-17 4PR
Front Brakes Expanding brake (drum brake)
Rear Brakes Expanding brake (drum brake)
Dimensions & Weight
Dry Weight 110.0 kg (242.5 pounds)
Power/Weight 0.0975 HP/kg
Overall Height 1050 mm (41.3 inches)
Overall Length 1920 mm (75.6 inches)
Overall Width 750 mm (29.5 inches)
More from Kymco
Buying Checklist

Before You Compare This Bike

Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.

Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
Rider Profile

Who Is This Bike For?

🟢
Beginner
A2 license compatible, manageable power.
🏍️
Best For
City & Weekend Rides
⚖️
Handling
Very lightweight — easy to handle
Estimate

Ownership Cost Calculator

⛽ Fuel
per year
🔧 Maintenance
per year
🛡️ Insurance
per year
TOTAL

* Estimates only. Actual costs vary by country, riding habits, insurance provider and maintenance schedule.

MotoLibrary
🏠 Home 🔍 All Bikes 📂 Categories ⚖️ Compare 🎛️ Advanced Filter 🎯 Bike Finder 🎬 Videos 📰 Blog 📖 Glossary ℹ️ About

🍪 We use cookies for analytics & ads. Cookie Policy