Yamaha XC 125 T CYGNUS (1994–2000) — Specs
Identity
Manufacturer: Yamaha
Model: XC 125 T CYGNUS
Category: Scooter
Type: Scooter
Years: 1994 → 2000
Engine
Displacement (cc): 125
Cylinders: 1
Power (hp): 8.7
Power (kW): 6.4
Dimensions
Overall length: 1900 mm
Overall width: 730 mm
Overall height: 1170 mm
Wheelbase: 1335 mm
Ground clearance: 125 mm
Weight (kg): 113
Seat height (mm): 760
Tank (L): 7.8
Tires
Front tire: 100/80-14
Rear tire: 120/70-14
Front pressure (bar): 1.5
Rear pressure (bar): 1.5
Ignition
Spark plug: NGK CR7E
Plug gap: 0.6-0.7 mm
Fluids & Filters
Engine oil: SAE10W-30, API SE
Engine oil (with filter, L): 1.2
Engine oil (without filter, L): 1
Oil filter: Hiflofiltro HF143
Air filter: Hiflofiltro HFA4503
Brake fluid: DOT 4
Fuel consumption
Estimated range: ~260 km on a full tank (7.8 L)
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. Valve clearance — intake cold 0.08-0.12 mm, exhaust cold 0.13-0.17 mm. Engine oil: oil grade SAE10W-30, API SE, 1.2 L with filter change, 1 L without filter change. Spark plug: NGK CR7E (gap 0.6-0.7 mm). Brake fluid: DOT 4. Tire pressure: front 1.5 bar, rear 1.5 bar (cold). Tire size: front 100/80-14, rear 120/70-14. 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: SAE10W-30, API SE, 1.2 L (with filter), 1.0 L (without 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 |
- 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 HF143
- Premium Hiflofiltro HF143
- Premium K&N KN-143
Air filter
Spec: Hiflofiltro HFA4503
- Standard Hiflofiltro HFA4503
Spark plug
Spec: NGK CR7E, gap 0.6-0.7 mm
- OEM NGK CR7E
- Premium NGK CR7EIX
- Standard NGK CR7E
Front brake pads
Spec: EBC SFA101HH
- Premium EBC SFA101HH
Rear brake pads
Spec: EBC SFA101HH
- Premium EBC SFA101HH
Front tire
Spec: 100/80-14, 1.5 bar
- OEM OEM 100/80-14
Rear tire
Spec: 120/70-14, 1.5 bar
- OEM OEM 120/70-14
Battery
- Premium Yuasa YTX7L-BS or YTX7A-BS (typical 125-250cc)
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
- OEM Intake clearance: cold 0.08-0.12 mm
- OEM Exhaust clearance: cold 0.13-0.17 mm
Suspension
Spec: NICHT WECHSELBAR
- OEM Fork oil grade: NICHT WECHSELBAR
