BMW R 1100 GS (1994–1999) — Specs
Identity
Manufacturer: BMW
Model: R 1100 GS
Category: Motorcycle
Type: Motorcycle
Years: 1994 → 1999
Engine
Displacement (cc): 1085
Cylinders: 2
Power (hp): 80
Power (kW): 59
Torque (Nm): 95
Dimensions

Overall length: 2210 mm
Overall width: 920 mm
Overall height: 1370 mm
Wheelbase: 1505 mm
Ground clearance: 200 mm
Weight (kg): 262
Seat height (mm): 840
Tank (L): 25
Tires
Front tire: 120/70 ZR17
Rear tire: 170/60 ZR17
Front pressure (bar): 2.2
Rear pressure (bar): 2.5
Drivetrain
Final drive: Shaft drive
Ignition
Spark plug: NGK BCPR7ET
Plug gap: 0.8-0.9 mm
Fluids & Filters
Engine oil: SAE20W-50
Engine oil (with filter, L): 3.75
Engine oil (without filter, L): 3.5
Oil filter: Hiflofiltro HF163
Air filter: Hiflofiltro HFA7911
Brake fluid: DOT 4
Fuel consumption
Estimated: 5.5 L/100 km
Estimated range: ~454 km on a full tank (25.0 L)
Note: real-world ±15-30% depending on riding style
Service
Battery: HVT-04
Service interval (km): 10000
Service interval (months): 12
Valve check (km): 24000
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 10,000 km or 12 months, whichever comes first. Valve clearance check every 24,000 km. Valve clearance — intake cold 0.15 mm, exhaust cold 0.30 mm. Engine oil: oil grade SAE20W-50, 3.75 L with filter change, 3.5 L without filter change. Spark plug: NGK BCPR7ET (gap 0.8-0.9 mm). Brake fluid: DOT 4. Drive: shaft drive. Tire pressure: front 2.2 bar, rear 2.5 bar (cold). Tire size: front 120/70 ZR17, rear 170/60 ZR17. 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: SAE20W-50, 3.75 L (with filter), 3.5 L (without filter)
- OEM OEM recommended engine oil (SAE 20W-50)
- 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 HF163
- Premium Hiflofiltro HF163
- Premium K&N KN-163
Air filter
Spec: Hiflofiltro HFA7911
- Standard Hiflofiltro HFA7911
Spark plug
Spec: NGK BCPR7ET, gap 0.8-0.9 mm
- OEM NGK BCPR7ET
- Premium NGK BCPR7EIX
- Standard NGK BCPR7ET
Front brake pads
Spec: EBC FA407HH
- Premium EBC FA407HH
Rear brake pads
Spec: EBC FA407HH
- Premium EBC FA407HH
Front tire
Spec: 120/70 ZR17, 2.2 bar
- OEM OEM front: 120/70 ZR17
Rear tire
Spec: 170/60 ZR17, 2.5 bar
- OEM OEM 170/60 ZR17
Battery
- Premium BMW HVT-04
Brake fluid
Spec: DOT 4
- Standard TotalEnergies HBF4
Coolant
Service interval
Spec: 10 000 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: 24 000 km
- OEM Intake clearance: cold 0.15 mm
- OEM Exhaust clearance: cold 0.30 mm
Suspension
Spec: 35 mm TELELEVER / 453 ml SAE 10W
- OEM Fork: 35 mm TELELEVER
- OEM Fork oil grade: 453 ml SAE 10W
Drive chain
