Honda Sonic
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The Honda Sonic is a 125 cc underbone designed for the South East Asian market by Honda. The motorbike belongs to the Honda Nova series of sports oriented underbone motorbikes produced since the mid 1990s. The only competitor of this underbone is the Raider 150 which dominates a small portion in the market
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[edit] Engine
The Honda Sonic is fitted with the European CBR 125 4-stroke engine. It was adapted to liquid cooling due hotter weather conditions. The single-cylinder engine redlines at 10,500 RPM. This engine has unique overbore design and bigger in-ex valve which gives much better power at higher rpm. The fuel-air supplied by Keihin AVK28 carburretor. Compared to Yamaha T135/Y135LC, sonic engine gives more power, and more topspeed although it suffer smaller displacement. That's why sonic claimed by most South East Asian rider as the fastest underbone under 150cc class which can reach 140km/h easily
[edit] Manufacture
The motorbike is manufactured in Thailand by Honda Motors. Then it is exported to other countries of South East Asia such as Singapore, Laos, Cambodia and Vietnam. The Honda Sonic is unavailable in Malaysia and Philippines due to designs and safety regulations.
[edit] Models
The Honda Sonic comes in two models. One with mag wheels (RS Super), and one with normal wheels (RS). Both of these versions come with a mandatory kick start. The customer may choose to include electric start for an extra price.
[edit] Generations
There have been three generations of Sonics. The differences are mainly visual. Parts can be interchanged from all three generations.
| Feature | RS | RS Super |
|---|---|---|
| Start | Electric/Kick | |
| Wheels | Normal | Mag |
[edit] Specifications
- Top speed: 135-140 km/h
- 0-100 km/h: 10.2 seconds
- Maximum RPM: 11,500
- Compression ratio: 11:1
- HP: 13.5 bhp (10 kW) @ 10000 rpm
- Brakes: Disc brakes (front and back)
- Transmission: 5 speed manual
- Valves: 2
- Aspiration: Carburetor keihin VK28
- Fuel tank: 4.2 litres (unleaded)
- Weight: 102.5 kg (electric start model)
- Cooling: Liquid
- Fuel consumption: 82 mpg imperial (3.4 L/100 km)
- Latest Model: 2006-2009 (Newest motorbike in Nova Sonic Family)
