Yamaha YZ125

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Yamaha YZ125 (2017 ~) (+ front brake disc 250 → 270 mm)

The Yamaha YZ125 begins its history in 1974 - then it was an archaic (by modern standards) motorcycle with an air-cooled engine and double shock absorbers at the rear, which did not resemble a cross model in the modern sense. Only by the end of the 80s of the last century, the Yamaha YZ 125 acquires modern features, and by 1989 - an inverted fork. In our review, we will be looking at models starting in 2005, when the motorcycle received a modern aluminum frame.

Since 2006 the motorcycle has been equipped with the new KYB SSS (Speed-Sensitive System) front fork.

In 2007, the Yamaha YZ125 undergoes minor changes, the main of which are new petal brake discs, and in 2017 - an increased diameter of the front disc (from 250 to 270 mm).

The Yamaha YZ125 features a 2-stroke liquid-cooled engine with a power valve system (YPVS), an aluminum frame (since 2005), sports adjustable suspensions, an 8-liter fuel tank, a carburetor power system and 94 kg of curb weight.

In 2001, Yamaha introduced a 4-stroke version Yamaha YZ250F, which was intended to replace similar 2-stroke models, but the YZ125 is still sold in parallel and may be in the same racing class.

The main competitors of the Yamaha YZ 125 in the class:



Specifications Yamaha YZ125 (2005+):

Model Yamaha YZ125
Motorcycle type cross
Release year 1974+
Frame Aluminum half duplex
Engine type 1-cylinder, 2-stroke
Working volume 124 cm³
Bore / stroke 54.0 x 54.5 mm
Compression ratio 8.6 ~ 10.7: 1
Cooling liquid
Number of valves per cylinder petal valve
Fuel supply system Carburetor, 1x Mikuni TMX38
Ignition type CDI
Maximum power 39.0 h.p. (28.7 kW) at 11,500 rpm
Maximum torque 25.5 Nm (2.6 kg-m) at 10,000 rpm
Gearbox 6-speed
Drive type chain
Front tire size 80 / 100-21 51M
Rear tire size 100 / 90-19 57M
Front brakes 1 disc, 250mm, 2-piston caliper - YZ125 (up to 2017)

Single disc, 270 mm, 2-piston caliper - YZ125 (2017+)

Rear brakes 1 disc, 245 mm, 1-piston caliper
Front suspension 48mm inverted fork (fully adjustable), 300mm travel
Rear suspension linkage with monoshock (fully adjustable), stroke - 315 mm
Motorcycle length 2135 mm
Motorcycle width 827 mm
Motorcycle height 1315 mm
Wheelbase 1443 mm
Saddle height 997 mm

975 mm - YZ125 (2015+)

Minimum ground clearance 386 mm

365 mm - YZ125 (2015+)

Acceleration to 100 km / h
Maximum speed
Fuel tank capacity 8.0 l
Motorcycle weight (curb) 94 kg

Yamaha Off-Road Motorcycle Lineup

85-150 см³ YZ85 · WR125 · YZ125
200-250 см³ TW200 · TW225 · Serow 225 · Serow 250 · TT-R250 · WR250F · XG250 · YZ250 · YZ250F
400-500 см³ WR450F · YZ450F
600-750 см³ XT660R