Sherco SEF 250 R FACTORY (2021) — Specs
Identity
Manufacturer: Sherco
Model: SEF 250 R FACTORY
Category: MX-Offroad
Type: MX-Offroad
Years: 2021 → 2021
Engine
Displacement (cc): 250
Cylinders: 1
Torque (Nm): 27
Dimensions
Overall length: 2275 mm
Overall width: 825 mm
Overall height: 1295 mm
Wheelbase: 1485 mm
Ground clearance: 350 mm
Tires
Front tire: 90/90-21
Rear tire: 140/80-18
Drivetrain
Drive chain: 520 chain
Ignition
Spark plug: NGK CR9EIA-9
Plug gap: 0.9 mm
Fluids & Filters
Engine oil: SAE 10W-50, JASO MA2
Engine oil (with filter, L): 1
Oil filter: Hiflofiltro HF611
Brake fluid: DOT 4
Service
Service interval (km): 6000
Service interval (months): 12
Valve check (km): 12000
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 12,000 km. Brake fluid: DOT 4. Chain: chain drive. Tire size: front 90/90-21, rear 140/80-18. 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)
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 HF611
- OEM OEM oil filter
- Premium Hiflofiltro HF611
Spark plug
- OEM OEM specified spark plug
- Premium NGK Iridium IX
Front brake pads
- OEM OEM front brake pads
- Premium Brembo Z04 / SC
Rear brake pads
- OEM OEM rear brake pads
- Premium Brembo SP
Front tire
Spec: 90/90-21
- OEM OEM 90/90-21
- Premium Michelin Road / Power
Rear tire
Spec: 140/80-18
- OEM OEM 140/80-18
- Premium Michelin Road / Power
Brake fluid
Spec: DOT 4
- OEM OEM recommended brake fluid (DOT 4)
- Premium Motul RBF 600 / 660
Coolant
- OEM OEM recommended coolant
- Premium Motul Motocool Factory Line
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: 12 000 km
Suspension
Spec: 48 mm USD fork
- OEM Fork: 48 mm USD fork
Air filter
- OEM OEM air filter (consult workshop manual)
- Premium K&N Replacement Air Filter
- Premium DNA High Performance
- Standard Hiflofiltro air filter – check by VIN
- Standard Champion CAF
Drive chain
- OEM OEM chain (matches OEM pitch and length)
- Premium DID VX3 X-Ring
- Premium DID ZVM-X Pro
- Standard JT Sprockets HDR
- Standard AFAM A5
Battery
- OEM OEM battery specification
- Premium Yuasa YTX / YTZ
- Premium Motobatt Quadflex
- Standard Exide AGM
- Standard Varta Powersports
