Street · 2024–present

Zero SR · Gen 3

Naked street performance

Gen 3· FST · Cypher III· 2024–present

166

167

km/h

15.6

kWh

2.59 kg/CVpower-to-weight (latest year)

Read the Zero SR owner's guide

Charging, ride modes, maintenance, warning lights & care — everything from the manual, in plain language.

The Zero SR spans more than one generation — a different platform, frame, suspension and drivetrain. You're viewing Gen 3 (2024–present). Other generations:

Gen 2· SDS · Z-Force (Cypher II)· 2014–2023Discontinued

Motor & performance

Motor: Z-Force 75-10 enhanced thermal efficiency, passively air-cooled, interior permanent magnet AC motor
Peak power: 64 kW / 86 CV
Peak torque: 166 Nm
Top speed: 167 km/h
Power-to-weight: 2.59 kg/CV

Battery & charging

Capacity (max): 15.6 kWh
Capacity (nominal): 13.6 kWh
Chemistry: Li-Ion (Z-Force Intelligent Power Pack)
Onboard charger: 3.3 kW
Charge time: 230V Mode 2: 4.4 h (100%) / 3.9 h (95%); Mode 3 single-phase: 4.4 h (100%) / 3.9 h (95%)

Drivetrain & belt

Belt: Poly Chain HTD Carbon belt (Gates)
Sprocket / pulley (corona/pignone): 90T / 20T
Final drive ratio: 90T/20T
Belt part number: — (see dealer parts catalog)
Transmission: Clutchless Direct Drive
Regen braking: Off-throttle regenerative deceleration: activates when the throttle is fully closed while the motorcycle is moving; 3-phase AC controller with regenerative deceleration; REGEN/TORQUE meter indicates regen level

Range (Zero figures)

City: 253 km
Highway: 164 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 Base MSC (ABS with 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): 248 kPa (36 psi)
Rear pressure (cold): 248 kPa (36 psi)

Lighting

Headlight: LED
Tail light: LED (integrated brake/tail light)
Turn signals: RY10W (10W) incandescent, amber
Running light (DRL): LED front running light

Dimensions & weight

Seat height: 787 mm
Curb weight: 223 kg

Real-world data

Real-world figures for the Zero SR — 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 (Gates) (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)
Turn signals: RY10W (10W) incandescent, amber

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

Initial 100 mi (160 km)
drive belt tension, front brake lever pivot, throttle grip, kickstand pivots/switch, drive motor commissioning
Initial 600 mi (1,000 km)
wheel bearings, drive belt tension, steering bearings, front brake lever pivot, kickstand switch, drive motor commissioning
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
Every 16,000 mi (25,000 km)
repack steering bearings with grease
Every 24,000 mi (37,000 km)
replace drive belt, swingarm pivot bearings

Model year evolution

Year	CV	Nm	km/h	kWh	kg	kg/CV	Belt
2025	86	166	167	15.6	223	2.59	90T / 20T
2024	86	166	167	15.6	223	2.59	90T / 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.