BMW R 75/7 (1976–1979) — Specs
Identity
Manufacturer: BMW
Model: R 75/7
Category: Motorcycle
Type: Motorcycle
Years: 1976 → 1979
Engine
Displacement (cc): 745
Cylinders: 2
Power (hp): 50
Power (kW): 37
Torque (Nm): 56
Dimensions
Overall length: 2180 mm
Overall width: 830 mm
Overall height: 1200 mm
Wheelbase: 1480 mm
Ground clearance: 150 mm
Weight (kg): 215
Seat height (mm): 810
Tank (L): 24
Tires
Front tire: 3.25-19
Rear tire: 4.00-18
Front pressure (bar): 1.9
Rear pressure (bar): 2
Drivetrain
Drive chain: shaft drive
Ignition
Spark plug: NGK BP6ES
Plug gap: 0.6 mm
Fluids & Filters
Engine oil: SAE20W-50
Engine oil (with filter, L): 2.5
Engine oil (without filter, L): 2.25
Oil filter: OEM oil filter
Air filter: OEM air filter
Brake fluid: DOT 4
Fuel consumption
Estimated range: ~500 km on a full tank (24.0 L)
Service
Battery: OEM battery specification
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 0.10 mm, exhaust cold 0.20 mm. Engine oil: oil grade SAE20W-50, 2.5 L with filter change, 2.25 L without filter change. Spark plug: NGK BP6ES (gap 0.6 mm). Brake fluid: DOT 4. Drive: shaft drive. Tire pressure: front 1.9 bar, rear 2 bar (cold). Tire size: front 3.25-19, rear 4.00-18. 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
Spec: SAE20W-50, 2.5 L (with filter), 2.25 L (without filter)
- OEM OEM recommended engine oil (SAE 20W-50)
- 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
- OEM OEM oil filter
- Premium Hiflofiltro – check by VIN at hiflofiltro.com
- Premium K&N – check fitment by VIN at knfilters.com
- 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 BP6ES, gap 0.6 mm
- OEM NGK BP6ES
- Premium NGK BPR6EIX
- Premium Denso Iridium Power
- Standard NGK BP6ES
- 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
Front tire
Spec: 3.25-19, 1.9 bar
- OEM OEM 3.25-19
- Premium Michelin Road / Power
- Premium Pirelli Diablo / Angel
- Standard Metzeler Roadtec / Tourance
- Standard Dunlop Sportmax / Trailmax
Rear tire
Spec: 4.00-18, 2.0 bar
- OEM OEM 4.00-18
- Premium Michelin Road / Power
- Premium Pirelli Diablo / Angel
- Standard Metzeler Roadtec / Tourance
- Standard Dunlop Sportmax / Trailmax
Battery
- OEM OEM battery specification
- Premium Yuasa YTX12-BS or YTZ10S (typical 500-750cc)
- 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: 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 0.10 mm
- OEM Exhaust clearance: cold 0.20 mm
Suspension
Spec: 36 mm telescopic fork / 250 ml SAE 5W/10W
- OEM Fork: 36 mm telescopic fork
- OEM Fork oil grade: 250 ml SAE 5W/10W
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
