SYM ADXTG 400 (2025) — Specs
Identity
Manufacturer: SYM
Model: ADXTG 400
Category: Scooter
Type: Scooter
Years: 2025 →
Engine
Displacement (cc): 399
Cylinders: 1
Power (hp): 34
Power (kW): 25
Dimensions
Overall length: 1900 mm
Overall width: 730 mm
Overall height: 1170 mm
Wheelbase: 1335 mm
Ground clearance: 125 mm
Weight (kg): 213
Seat height (mm): 790
Tank (L): 13
Tires
Front tire: 120/70-15
Rear tire: 160/60-15
Drivetrain
Drive chain: chain drive
Ignition
Spark plug: NGK CPR8EA-9
Plug gap: 0.9 mm
Fluids & Filters
Oil filter: OEM oil filter
Air filter: OEM air filter
Brake fluid: DOT 4
Fuel consumption
Estimated range: ~371 km on a full tank (13.0 L)
Service
Battery: OEM battery specification
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. Spark plug: NGK CPR8EA-9. Brake fluid: DOT 4. Chain: chain drive. Tire size: front 120/70-15, rear 160/60-15. 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
- Premium Motul 5100
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
- Standard Elf Moto 4 Tech
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 HF972
- OEM OEM oil filter
- Premium Hiflofiltro HF972
- Premium K&N KN-972
- Standard Champion COF
- Standard Vesrah SF
Air filter
- OEM OEM air filter
- Premium K&N Replacement Air Filter
- Premium DNA High Performance
- Standard Hiflofiltro air filter – check by VIN
- Standard Champion CAF
Spark plug
Spec: NGK CPR8EA-9
- OEM NGK CPR8EA-9
- Premium NGK CPR8EAIX-9
- Premium Denso Iridium Power
- Standard NGK CPR8EA-9
- Standard Denso Standard
Front brake pads
- OEM OEM front brake pads
- Premium Brembo Z04 / SC
- Premium EBC sintered pad – check fitment by VIN
- Standard Ferodo Platinum
- Standard TRW Lucas Sintered
Rear brake pads
- OEM OEM rear brake pads
- Premium Brembo SP
- Premium EBC sintered pad – check fitment by VIN
- Standard Ferodo Platinum
- Standard TRW Lucas
Drive belt (CVT)
- OEM OEM CVT belt (consult workshop manual for part number)
- Premium Bando CVT belt
- Premium Mitsuboshi CVT belt
- Standard Polini Aramid Belt (high-performance)
- Standard Malossi X-K belt
Front tire
Spec: 120/70-15
- OEM OEM 120/70-15
- Premium Michelin City Grip 2
- Premium Pirelli Diablo / Angel
- Standard Bridgestone Battlax SC2
- Standard Dunlop Sportmax / Trailmax
Rear tire
Spec: 160/60-15
- OEM OEM 160/60-15
- Premium Pirelli Angel Scooter
- Premium Pirelli Diablo / Angel
- Standard Continental ContiScoot
- Standard Dunlop Sportmax / Trailmax
Battery
- OEM OEM battery specification
- Premium Yuasa YTX9-BS or YTZ7S (typical 250-500cc)
- Premium Motobatt Quadflex
- Standard Exide AGM
- Standard Varta Powersports
Brake fluid
Spec: DOT 4
- OEM OEM recommended brake fluid (DOT 4)
- Premium Motul RBF 600 / 660
- Premium Castrol React SRF
- Standard TotalEnergies HBF4
- Standard Elf BRAKE FLUID DOT 4
Coolant
- OEM OEM recommended coolant
- Premium Motul Motocool Factory Line
- Premium Engine Ice
- Standard TotalEnergies Coolelf
- Standard Elf Coolelf Auto Supra
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: 41 mm USD fork
- OEM Fork: 41 mm USD fork
