Honda CN 250 HELIX (1991–1996) — Specs
Identity
Manufacturer: Honda
Model: CN 250 HELIX
Category: Scooter
Type: Scooter
Years: 1991 → 1996
Engine
Displacement (cc): 244
Cylinders: 1
Power (hp): 17
Power (kW): 13
Dimensions
Overall length: 1900 mm
Overall width: 730 mm
Overall height: 1170 mm
Wheelbase: 1335 mm
Ground clearance: 125 mm
Weight (kg): 171
Seat height (mm): 665
Tank (L): 11
Tires
Front tire: 120/70-15
Rear tire: 140/70-14
Front pressure (bar): 1.75
Rear pressure (bar): 2
Drivetrain
Transmission: CVT
Ignition
Spark plug: NGK DPR6EA-9
Plug gap: 0.9 mm
Fluids & Filters
Engine oil: SAE10W-30, API SE
Engine oil (with filter, L): 0.8
Oil filter: OEM oil filter
Air filter: OEM air filter
Coolant (L): 1.82
Brake fluid: DOT 4
Fuel consumption
Estimated range: ~366 km on a full tank (11.0 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. Valve clearance — intake cold 0.10 mm, exhaust cold 0.10 mm. Engine oil: oil grade SAE10W-30, API SE, 0.8 L with filter change. Spark plug: NGK DPR6EA-9 (gap 0.9 mm). Brake fluid: DOT 4. Coolant capacity: 1.82 L. Drive: CVT. Tire pressure: front 1.75 bar, rear 2 bar (cold). Tire size: front 120/70-15, rear 140/70-14. 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, 0.8 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 |
- 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
Air filter
Spark plug
Spec: NGK DPR6EA-9, gap 0.9 mm
- OEM NGK DPR6EA-9
- Premium NGK DPR6EAIX-9
- Standard NGK DPR6EA-9
Front brake pads
Spec: EBC FA069/2
- Premium EBC FA069/2
Rear brake pads
Spec: EBC FA069/2
- Premium EBC FA069/2
Front tire
Spec: 120/70-15, 1.75 bar
- OEM OEM 120/70-15
Rear tire
Spec: 140/70-14, 2.0 bar
- OEM OEM 140/70-14
Battery
- Premium Yuasa YTX7L-BS or YTX7A-BS (typical 125-250cc)
Brake fluid
Spec: DOT 4
- Standard TotalEnergies HBF4
Coolant
Spec: 1.82 L coolant capacity
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 0.10 mm
- OEM Exhaust clearance: cold 0.10 mm
Suspension
Spec: GEZOG.KURZSCHWINGE / LEBENSL. BEFÜLLT
- OEM Fork: GEZOG.KURZSCHWINGE
- OEM Fork oil grade: LEBENSL. BEFÜLLT
