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Zero SR/S
Street · 2020–present

Zero SR/S

Faired sport tourer

Gen 3· FST · Cypher III· 2020–present
111
CV
190
Nm
200
km/h
17.3
kWh
2.12 kg/CVpower-to-weight (latest year)
Read the Zero SR/S owner's guide
Charging, ride modes, maintenance, warning lights & care — everything from the manual, in plain language.

Motor & performance

Motor
Z-Force 75-10 enhanced thermal efficiency, passively air-cooled, interior permanent magnet AC motor
Peak power
83 kW / 111 CV
Peak torque
190 Nm
Top speed
200 km/h
Power-to-weight
2.12 kg/CV

Battery & charging

Capacity (max)
17.3 kWh
Capacity (nominal)
15.1 kWh
Chemistry
Li-Ion (Z-Force Intelligent Power Pack)
Onboard charger
6.6 kW
Charge time
230V Mode 2: 4.9 h to 100% / 3.9 h to 95%; Mode 3 single-phase: 4.9 h to 100% / 3.9 h to 95%; Mode 3 3-phase: 2.7 h to 100% / 2.0 h to 95%

Drivetrain & belt

Sprocket / pulley (corona/pignone)
90T / 20T
Final drive ratio
90T/20T
Belt part number
— (see dealer parts catalog)
Transmission
Clutchless Direct Drive

Range (Zero figures)

City
275 km
Highway
187 km

Chassis & suspension

Platform / generation
FST · Cypher III (Gen 3)
Front fork
Showa 43 mm big-piston separate-function forks (SFF-BP), adjustable preload/compression/rebound, 120 mm travel
Rear shock (mono)
Showa 40 mm piston, piggy-back reservoir shock with adjustable spring preload, compression, and rebound damping
Rake / trail
24.5 ° / 94 mm
Wheelbase
1450 mm

Brakes

Front
Bosch Advanced MSC, Dual J-Juan radial-mounted 4-piston calipers, 320 x 5 mm disc
Rear
Bosch Advanced MSC, J-Juan single piston floating caliper, 240 x 4.5 mm disc
ABS
Bosch Advanced MSC (with ABS)

Wheels & tyres

Front wheel / tyre
Pirelli Diablo Rosso III 120/70-17
Rear wheel / tyre
Pirelli Diablo Rosso III 180/55-17
Front pressure (cold)
248 kPa (36 psi)
Rear pressure (cold)
248 kPa (36 psi)

Lighting

Headlight
LED (sealed, non-serviceable unit)
Tail light
LED (integrated brake/tail light)
Turn signals
RY10W (10 watt) amber incandescent bulb
Running light (DRL)
LED (front running light, sealed)

Dimensions & weight

Seat height
787 mm
Curb weight
235 kg

Real-world data

Real-world figures for the Zero SR/S — aggregated and anonymized from actual riding data, not brochure numbers.

Maintenance & parts

From the official Zero owner & service manuals.

Consumables & wear parts

Final drive
(90T / 20T)
Brake fluid
DOT 4
Front tyre
Pirelli Diablo Rosso III 120/70-17
Rear tyre
Pirelli Diablo Rosso III 180/55-17
Headlight
LED (sealed, non-serviceable unit)
Tail light
LED (integrated brake/tail light)
Turn signals
RY10W (10 watt) amber incandescent bulb

Final drive service

Tension target
62–82 Hz
Inspect / adjust
Every 8,000 mi (13,000 km)
Replace
Every 24,000 mi (37,000 km)
First / break-in service
Initial 100 mi (160 km)

Key torque specs

Rear axle nut
75 lb·ft (102 Nm)
Belt tension adjustment bolts
4 lb-ft (5 Nm)
Power pack-to-frame bolts (left & right)
26 lb-ft (35 Nm)
Power pack ground strap bolt
5 lb-ft (7 Nm)
Brake banjo bolt
20 lb-ft (27 Nm)

Service schedule

  1. Initial 100 mi (160 km)
    belt tension, front brake lever pivot, throttle grip, kickstand pivots/switch, drive motor commissioning
  2. Initial 600 mi (1,000 km)
    wheel bearings, belt tension, steering bearings, front brake lever pivot, kickstand switch, drive motor
  3. Every 8,000 mi (13,000 km) or 12 months
    brake fluid replace, wheels/run-out, wheel bearings, belt tension, steering bearings, chassis fasteners
  4. Every 16,000 mi (25,000 km)
    repack steering bearings
  5. Every 24,000 mi (37,000 km)
    replace drive belt, swingarm pivot bearings

Model year evolution

YearCVNmkm/hkWhkgkg/CVBelt
202511119020017.32352.1290T / 20T
202411319020017.32352.0890T / 20T
202311019020017.32352.1490T / 20T
202211019020014.42352.1490T / 20T
202111019020014.42292.0890T / 20T
202011019020014.4220290T / 20T
Compare with other models Back to catalog

Specifications extracted from the official Zero Motorcycles owner & service manuals (EU / metric figures). Values are for guidance — always confirm against your bike's manual.