Zero S · Gen 3
Naked street commuter
Motor & performance
- Motor
- Z-Force 75-7 enhanced thermal efficiency, passively air-cooled, interior permanent magnet AC motor
- Peak power
- 45 kW / 60 CV
- Peak torque
- 132 Nm
- Top speed
- 139 km/h
- Power-to-weight
- 3.72 kg/CV
Battery & charging
- Capacity (max)
- 14.4 kWh
- Capacity (nominal)
- 12.6 kWh
- Chemistry
- Z-Force Li-Ion Intelligent Power Pack
- Onboard charger
- 3.3 kW
- Charge time
- Mode 2 (230V): 5.8 hours (100% charged) / 5.5 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
- 248 km
- Highway
- 162 km
Chassis & suspension
- Model 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 Base 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 (sealed/non-serviceable unit)
- 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 front running light (sealed unit)
Dimensions & weight
- Seat height
- 787 mm
- Curb weight
- 223 kg
Battery packs
The Z-Force packs offered on this bike across 2024–present — capacity, construction and weight on each pack's page.
Real-world data
Real-world figures for the Zero S — aggregated and anonymized from actual riding data, not brochure numbers.
Components, MY2026
What Zero’s own manual specifies for this exact model year, and how widely each part was shared across the range. Every row names the manual behind it.
| Part | As the manual describes it | On this model | Shared with |
|---|---|---|---|
| Motor | Z-Force 75-7 | 2014–2026 | 3 model lines |
| Front fork | Showa 43 mm big-piston separate-function | 2024–2026 | 4 model lines |
| Rear shock | Showa 40 mm piston piggy-back reservoir | 2015–2026 | 9 model lines |
| Front brake | J-Juan 4-piston radial-mounted (twin caliper) 320 x 5 mm disc | 2024–2026 | 7 model lines |
| Rear brake | J-Juan 1-piston 240 x 4.5 mm disc | 2014–2026 | 9 model lines |
| ABS / stability control | Bosch Base MSC | 2024–2026 | 4 model lines |
| Final drive belt | Gates Poly Chain HTD Carbon | 2019–2026 | 9 model lines |
| Front tyre | Pirelli Diablo Rosso III 120/70-17 | 2024–2026 | 4 model lines |
| Rear tyre | Pirelli Diablo Rosso III 180/55-17 | 2024–2026 | 4 model lines |
No catalogue row names the Zero S for MY2026 directly. Parts fitted to it may still be listed under a platform token, which this page will not expand for you — browse the part index instead.
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 (sealed/non-serviceable unit)
- 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
- MY2014–2023 (SDS platform): 42.5–73.6 Hz — Gates Carbon Drive, 11 mm pitch, Tension Tester 25–76.5 kg. MY2024 onwards (FST platform): 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 monthsreplace 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
Service timeline
Every occurrence of every interval, from Zero's S_SR-SRF_Service_Manual_8811935-AJ.pdf, page 13.
Break-in
Own scale — these all happen in the first 1k kmRecurring
Every mark is one occurrence, to 40k kmreplace brake fluid, wheels run-out, wheel bearings, drive belt tension, steering bearings, chassis fasteners
repack steering bearings with grease
replace drive belt, swingarm pivot bearings
Model year evolution
Pick a year to put it head to head with another bike — charging, range and what a replacement battery costs.
Specifications extracted from the official Zero Motorcycles owner & service manuals (EU / metric figures). Values are for guidance — always confirm against your bike's manual.