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Zero SR/F
Street · 2020–present

Zero SR/F

Flagship naked streetfighter

Gen 3· FST · Cypher III· 2020–present
111
CV
190
Nm
200
km/h
17.3
kWh
2.05 kg/CVpower-to-weight (latest year)
Read the Zero SR/F 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
2.05 kg/CV

Battery & charging

Capacity (max)
17.3 kWh
Capacity (nominal)
15.1 kWh
Chemistry
Z-Force Li-Ion Intelligent Power Pack
Onboard charger
6.6 kW
Charge time
Mode 2 (230V): 4.9 hours (100% charged) / 3.9 hours (95% charged)

Drivetrain & belt

Belt
Poly Chain HTD Carbon belt
Sprocket / pulley (corona/pignone)
90T / 20T
Final drive ratio
90T/20T
Belt part number
— (see dealer parts catalog)
Transmission
Clutchless Direct Drive
Regen braking
Regenerative deceleration via motor controller (regenerative braking); dash REGEN/TORQUE meter shows regen while decelerating; ride modes ECO/STANDARD/SPORT/CANYON/RAIN/CUSTOM

Range (Zero figures)

City
283 km
Highway
188 km

Chassis & suspension

Platform / generation
FST · Cypher III (Gen 3)
Front fork
Showa 43 mm big piston, separate function forks with adjustable spring preload, compression, and rebound damping
Rear shock (mono)
Showa 40 mm piston, piggy-back reservoir shock with adjustable spring preload, compression, and rebound damping
Suspension travel (f/r)
120 / 140 mm
Rake / trail
24.5 ° / 94 mm
Wheelbase
1450 mm

Brakes

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

Wheels & tyres

Wheel type
cast
Front wheel / tyre
3.50 x 17 / Pirelli Diablo Rosso III 120/70-17
Rear wheel / tyre
5.50 x 17 / Pirelli Diablo Rosso III 180/55-17
Front pressure (cold)
36 psi (248 kPa)
Rear pressure (cold)
36 psi (248 kPa)

Lighting

Headlight
LED
Tail light
LED (integrated brake/tail light; 'Brake/Tail LED Replacement')
Turn signals
Both bulb and LED replacement documented (Turn Signal Light Bulb Replacement + LED Turn Signal Replacement)
Running light (DRL)
LED

Dimensions & weight

Seat height
787 mm
Curb weight
227 kg

Real-world data

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

Maintenance & parts

From the official Zero owner & service manuals.

Consumables & wear parts

Drive belt
Poly Chain HTD Carbon belt (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
Tail light
LED (integrated brake/tail light; 'Brake/Tail LED Replacement')
Turn signals
Both bulb and LED replacement documented (Turn Signal Light Bulb Replacement + LED Turn Signal Replacement)

Drive belt service

Tension target
62–82 Hz
Inspect / adjust
Every 8,000 mi (13,000 km) or 12 months
Replace
Every 24,000 mi (37,000 km)
First / break-in service
Initial 100 mi (160 km)
Belt part number
— (dealer parts catalog)

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 side)
26 lb-ft (35 Nm)
Brake hose banjo bolt
20 lb-ft (27 Nm)
Power pack ground strap bolt
5 lb-ft (7 Nm)

Service schedule

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

Model year evolution

YearCVNmkm/hkWhkgkg/CVBelt
202611119020017.32272.0590T / 20T
202511119020017.32272.0590T / 20T
202411319020017.32272.0190T / 20T
202311019020017.32272.0690T / 20T
202211019020014.42272.0690T / 20T
202111019020014.4220290T / 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.