Coolster DB 125 Semi Children's Dirt Bike

In stock

Regular price $949.99

BDX is the only online seller, in the USA, with full parts and phone technical support for this type of vehicle. Read from others who purchased from our competition --  click here Read the full case for buying only from BDX -- click here.

Comes with FREE ONE YEAR WARRANTY: We are the only vehicle seller with a full ONE year warranty.  We do this because we stand for service after the sale!! 

Call and speak to a live person -- no automated phone system. 434-532-8146


  • Youth size dirt bike
  • 125cc engine
  • Semi automatic transmission



This vehicle can come fully assembled or partially assembled -- see options. Partially assembled is the default.


Guaranteed Ride Plan

No Shipping Fee Option

25% Replacement Parts Discount

BDX the Only Seller Who Fully Supports What They Sell

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Machine Shop Customization Available

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  • Engine type: 125cc air-cooled 4-stroke semi-auto
  • Displacement: 125cc,
  • Cooling: Air-cooled
  • Max horsepower: 5.7kW / 7,500rpm
  • Max torque: 8.0/5,500 (N.m/r/min)
  • Bore stroke: 52.4x49.5mm
  • Max speed: 65km/h
  • Ignition: CDI
  • Starting system: Foot start
  • Battery: 12V, 4Ah
  • Engine oil: 0.9L
  • Clutch: Semi-auto clutch
  • Transmission: Chain
  • Front brake and Rear brake: disc brake
  • Brake operation: disc brake
  • Tires: front/rear: 2.75-14 /3.00-12
  • Fuel capacity/type: 3.5L
  • Weight: G.W./N.W: 70kg/59kg
  • Max load: 60kg
  • Wheelbase: 1075mm
  • L*W*H: 380mm x309mm x630mm
  • Height to seat: 440mm
  • Min ground clearance: 315mm
  • Carton size: 1400mm x400mm x660mm