Honda Forza 350 (NSS 350) (EURO 5) (2021–2024) — Specs

Identity
Manufacturer: Honda
Model: Forza 350 (NSS 350) (EURO 5)
Category: Scooter
Type: Scooter
Years: 2021 → 2024
Engine
Displacement (cc): 330
Cylinders: 1
Power (hp): 29
Power (kW): 21
Torque (Nm): 32
Dimensions

Overall length: 2143 mm
Overall width: 750 mm
Overall height: 1480 mm
Wheelbase: 1510 mm
Ground clearance: 145 mm
Weight (kg): 185
Seat height (mm): 780
Tank (L): 11.7
Tires
Front tire: 120/70 R15
Rear tire: 140/70 R14
Front pressure (bar): 2
Rear pressure (bar): 2.25
Ignition
Spark plug: NGK LMAR8L-9
Plug gap: 0.9 mm
Fluids & Filters
Engine oil: SAE10W-30, JASO MB
Engine oil (with filter, L): 1.5
Oil filter: Hiflofiltro HF204
Air filter: Hiflofiltro HFA1336
Coolant (L): 0.9
Brake fluid: DOT 4
Fuel consumption
Manufacturer / WMTC: 3.0 L/100 km
Real-world range: ~390 km on a full tank (11.7 L)
Note: real-world ±15-30% depending on riding style
Service
Battery: YTZ7S
Service interval (km): 12000
Service interval (months): 12
Valve check (km): 24000
Parts and consumables for this motorcycle
Data is gathered with care, but without guarantee. Always confirm critical information with your dealer or workshop.
Service notes
Service interval: every 12,000 km or 12 months, whichever comes first. Valve clearance check every 24,000 km. Valve clearance — intake cold 0.12 ± 0.03MM, exhaust cold 0.22 ± 0.03MM. Engine oil: oil grade SAE10W-30, JASO MB, 1.5 L with filter change. Spark plug: NGK LMAR8L-9. Brake fluid: DOT 4. Coolant capacity: 0.9 L. Tire pressure: front 2 bar, rear 2.25 bar (cold). Tire size: front 120/70 R15, rear 140/70 R14. Always confirm critical values with the workshop manual or an authorised dealer.
OEM and quality aftermarket parts that fit this bike. Always confirm with your dealer before ordering.
Engine oil
Spec: SAE 10W-30, 1.5 L (with filter)
- OEM OEM recommended engine oil (SAE 10W-30)
- Premium Motul 7100 4T (100% Synthetic, Ester)
- Premium Motul 5100 4T Technosynthese (Semi-Synthetic)
Which Motul for this bike?
| Motul 7100 4T ✓ | Motul 5100 4T | |
|---|---|---|
| Product | Motul 7100 4T — 100% fully synthetic | Motul 5100 4T — semi-synthetic |
| Best for | Sport, Naked, Adventure (600cc+), track | Standard, Cruiser, Scooter, daily use |
| RPM protection | Excellent — ester base, stable under load | Good — for normal riding conditions |
- Premium Liqui Moly Motorbike 4T
- Standard Repsol Moto Racing 4T (Synthetic)
- Standard Elf Moto 4 Tech (Semi-Synthetic)
- Standard TotalEnergies Quartz Moto 4T
Fully Synthetic vs Semi-Synthetic
| Fully Synthetic | Semi-Synthetic | |
|---|---|---|
| Base oil | 100% chemical synthesis (ester or PAO) | Mineral oil + synthetic additives |
| Heat resistance | Excellent — stable at extreme heat & RPM | Good — suitable for normal temperatures |
| Cold start | Better — reaches engine faster when cold | Good — adequate for normal climates |
| Change interval | Longer (up to 10,000 km) | Shorter (5,000–7,000 km typical) |
| Price | Higher | Lower |
Oil filter
Spec: Hiflofiltro HF204
- Premium Hiflofiltro HF204
- Premium K&N KN-204
Air filter
Spec: Hiflofiltro HFA1336
- Standard Hiflofiltro HFA1336
Spark plug
Spec: NGK CPR8EA-9, gap 0.8-0.9 mm
- OEM NGK CPR8EA-9
- Premium NGK CPR8EAIX-9
- Standard NGK CPR8EA-9
Front brake pads
Spec: OEM front pad (EBC equivalent: SFA614HH)
- Premium EBC SFA614HH
- Standard EBC SFA614 (organic)
Rear brake pads
Spec: OEM rear pad (EBC equivalent: SFA606HH)
- Premium EBC SFA606HH
- Standard EBC SFA606 (organic)
Front tire
Spec: 120/70 R15, 2.0 bar
- OEM OEM 120/70 R15
Rear tire
Spec: 140/70 R14, 2.25 bar
- OEM OEM 140/70 R14
Battery
Spec: OEM battery: Yuasa YTZ7S
- OEM OEM battery: Yuasa YTZ10S
- Premium Yuasa YTZ10S
Brake fluid
Spec: DOT 4
- Standard TotalEnergies HBF4
Coolant
Spec: 0.90 L coolant capacity
Service interval
Spec: 12 000 km / 12 months
- OEM Engine oil + oil filter change
- OEM Air filter inspection
- OEM Spark plug check
- OEM Brake fluid replacement: every 2 years
Valve check
Spec: 24 000 km
- OEM Intake clearance: cold 0.12 ± 0.03MM
- OEM Exhaust clearance: cold 0.22 ± 0.03MM
Suspension
Spec: 33 mm telescopic fork
- OEM Fork: 33 mm telescopic fork
