Yamaha SZ Specs (Top Speed | Horsepower | Weight)

The Yamaha SZ motorcycle specifications include a 149.3 cc (9.11 cu in) engine, power of 12.1 hp (8.8 kW) @ 7,500 rpm, a 5-speed gearbox, and a listed weight of 125 kg (275.6 lb).

Key specifications

2020-2022Model years
149 ccDisplacement
12.1 hpPower
12.8 Nm @ 6,000 rpmTorque
125 kgWet weight
800 mmSeat height
14 LFuel tank
1,320 mmWheelbase
Model years covered
202020212022
Year-specific specification changes

The 2020 model is treated as the standard specification. Only later model years with a different supplied value are shown below.

Front tire
202120222.75-17
Power
202111.9 hp (8.7 kW) @ 7,500 rpm
Rear suspension
20212022Swingarm
Wet weight
20212022133 kg (293.2 lb)
Engine oil capacity
20221.20 L (1.27 US qt)
Oil capacity
20221.20 L (1.27 US qt)

How the Yamaha SZ compares

This compares the motorcycle with all Yamaha models in this specifications database. The blue marker is this model and the grey line is the Yamaha database average.

Engine power12.1 hp
Low 2.8 hpAverage 53.3 hpHigh 171.2 hp

About 77% lower than the Yamaha database average. Around the 21st percentile across Yamaha models.

Displacement149 cc
Low 49 ccAverage 550 ccHigh 1,852 cc

About 73% lower than the Yamaha database average. Around the 26th percentile across Yamaha models.

Wet weight125 kg
Low 72.1 kgAverage 186.3 kgHigh 348.7 kg

About 33% lighter than the Yamaha database average. Around the 23rd percentile across Yamaha models.

Seat height800 mm
Low 635 mmAverage 793 mmHigh 989 mm

Very close to the Yamaha database average. Around the 58th percentile across Yamaha models.

Fuel capacity14 L
Low 4 LAverage 13 LHigh 24 L

About 7% larger than the Yamaha database average. Around the 57th percentile across Yamaha models.

This model Yamaha database average

Yamaha database percentile rankings

Percentiles show where this motorcycle sits across the Yamaha specifications database. They are descriptive database rankings, not performance ratings.

Engine power21st

12.1 hp — more powerful than about 21% of Yamaha models with power data.

Displacement26th

149 cc — larger displacement than about 26% of Yamaha models.

Wet weight23rd

125 kg — heavier than about 23% of Yamaha models, or lighter than about 77%.

Seat height58th

800 mm — taller than about 58% of Yamaha models.

Fuel capacity57th

14 L — larger than about 57% of Yamaha fuel tanks in this database.

Dimensions compared with Yamaha average

Each measurement is compared with the average value across Yamaha models where that dimension is available.

Overall length1,990 mm
This bike

1,990

Yamaha avg

2,082

4% below average.

Overall width750 mm
This bike

750

Yamaha avg

823

9% below average.

Overall height1,100 mm
This bike

1,100

Yamaha avg

1,172

6% below average.

Wheelbase1,320 mm
This bike

1,320

Yamaha avg

1,416

7% below average.

Seat height800 mm
This bike

800

Yamaha avg

793

Close to average.

Ground clearance165 mm
This bike

165

Yamaha avg

181

9% below average.

Mechanical overview

Engine layout snapshot

Single cylinder, four-stroke • 149 cc • Air cooled • 12.1 hp
Chassis snapshot

Wheelbase 1,320 mmSeat 800 mmClearance 165 mm
5-speed • Chain (final drive) • 2.75-18 front / 100/90-17 rear

Additional useful specifications

Front tire size 2.75-18
Rear tire size 100/90-17
Rear tire width 100 mm
Rear tire aspect ratio 90%
Rear rim diameter 17 in
Engine oil capacity 1.00 L (1.06 US qt)
Power-to-weight ratio 0.097 hp/kg
Power-to-weight 96.8 hp/tonne
Specific power 81.0 hp/L
Bore/stroke ratio 0.99:1 (Square)

Engine specifications

Engine type Single cylinder, four-stroke
Displacement 149.3 cc (9.11 cu in)
Power 12.1 hp (8.8 kW) @ 7,500 rpm
Torque 12.8 Nm (1.3 kgf-m or 9.4 ft.lbs) @ 6,000 rpm
Bore × stroke 57.3 x 57.9 mm (2.3 x 2.3 inches)
Compression ratio 9.5:1
Cooling system Air
Fuel system Carburettor
Fuel control Single Overhead Cams (SOHC)
Ignition CDI
Starter Electric & kick
Lubrication Wet sump
Oil capacity 1.00 L (1.06 US qt)

Transmission and drivetrain

Gearbox 5-speed
Final drive Chain (final drive)
Clutch Wet, multiple-disc

Chassis and suspension

Frame Diamond, tubular
Front suspension Telescopic Hydraulic
Rear suspension Ajustable, Hydraulic Shock Absorber
Rake 26.0°
Trail 99 mm (3.9 inches)

Brakes, wheels and tires

Front brakes Single disc. Hydraulic.
Rear brakes Expanding brake (drum brake)
Front tire 2.75-18
Rear tire 100/90-17

Dimensions and weight

Wet weight 125 kg (275.6 lb)
Seat height 800 mm (31.5 inches)
Overall length 1,990 mm (78.3 inches)
Overall width 750 mm (29.5 inches)
Overall height 1,100 mm (43.3 inches)
Wheelbase 1,320 mm (52.0 inches)
Ground clearance 165 mm (6.5 inches)

Fuel and emissions

Fuel capacity 14.00 L (3.70 US gal)

Electrical and instruments

Electrical 12V-5AH battery.
Lights 12V 35/25W Halogen bulb

Other specifications

Color options Matte Black, Vivid red Cocktail,
Comments Sold in India.

Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Yamaha models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Yamaha information before relying on them. Visit the official Yamaha website.