Kymco NEW DOWNTOWN 350I (EURO 5) (2021) — Specs

Identity
Manufacturer: Kymco
Model: NEW DOWNTOWN 350I (EURO 5)
Category: Scooter
Type: Scooter
Years: 2021 →
Engine
Displacement (cc): 321
Cylinders: 1
Power (hp): 28
Power (kW): 21
Torque (Nm): 32
Dimensions

Overall length: 2210 mm
Overall width: 770 mm
Overall height: 1395 mm
Wheelbase: 1545 mm
Ground clearance: 145 mm
Weight (kg): 198
Seat height (mm): 790
Tank (L): 12.5
Tires
Front tire: 120/80 R14
Rear tire: 150/70 R13
Drivetrain
Transmission: CVT
Fluids & Filters
Oil filter: Hiflofiltro HF559
Air filter: Hiflofiltro HFA5013
Brake fluid: DOT 4
Fuel consumption
Estimated: 3.5 L/100 km
Estimated range: ~357 km on a full tank (12.5 L)
Note: real-world ±15-30% depending on riding style
Service
Battery: YTX7L-BS
Service interval (km): 6000
Service interval (months): 12
Valve check (km): 18000
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 6,000 km or 12 months, whichever comes first. Valve clearance check every 18,000 km. Brake fluid: DOT 4. Drive: CVT. Tire size: front 120/80 R14, rear 150/70 R13. 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
- OEM OEM recommended engine oil
- 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 |
- Standard Repsol Moto Racing 4T (Synthetic)
- Standard Elf Moto 4 Tech (Semi-Synthetic)
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 HF559
- Premium Hiflofiltro HF559
- Premium K&N KN-559
Air filter
Spec: Hiflofiltro HFA5013
- Standard Hiflofiltro HFA5013
Spark plug
Front brake pads
Rear brake pads
Front tire
Spec: 120/80 R14
- OEM OEM 120/80 R14
Rear tire
Spec: 150/70 R13
- OEM OEM 150/70 R13
Battery
- Premium Yuasa YTZ12S
Brake fluid
Spec: DOT 4
- Standard TotalEnergies HBF4
Coolant
Service interval
Spec: 6 000 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: 18 000 km
Suspension
Spec: telescopic fork
- OEM Fork: telescopic fork
