The 150cc Yamaha SZ is suited for the biker who doesn’t like the FZ’s styling. He wants something regular, he’s looking at commuting and not sport biking. For him, the Yamaha SZ is the ultimate object for his garage and wallpaper on his desktop.

Engine type Air-cooled, 4-stroke, SOHC
Displacement 153 cc
Bore & Stroke 58.0 × 57.9 mm
Compression ratio 9.5:1
Maximum power 12.1PS / 7,500 rpm
Maximum torque 12.8N.m / 4500 rpm
Starting system Electric Start/Kick Start
Lubrication wet sump
Cylinder layout Single cylinder
Clutch type wet, multiple disc
Ignition system C.D.I
Fuel supply Carburettor
Battery 12 V, 5 AH (10 AH)
Headlight Halogen bulb (12 V, 35/35 W)
Primary/Secondary reduction ratios 3.409/3.000
Tranmission type 5 gear constant mesh
Caster/Trail 26 degree/99 mm
Gear ratios 1st=2.714, 2nd＝1.789, 3rd=1.318, 4th=1.045, 5th=0.916

Chassis

Frame type Diamond
Front suspension Telescopic
Rear suspension Swingarm
Front brake Drum(150 mm)
Rear brake Drum (130 mm)
Front tyre 2.75-17 41P
Rear tyre 100/90-17 55P

Dimensions

Overall length x width x height 2,050mm x 730mm × 1,100mm
Kerb Weight 132 kg
Wheelbase 1,320mm
Minimum ground clearance 165mm
Engine oil volume 1.0 litres
Fuel tank capacity 14 liters
Seat Height 802 mm