| Component | Specification |
|---|---|
| Production Years | 2017 – 2020 |
| Engine Oil | SAE 5W-40, API SJ / JASO MA2 (1.6 L) |
| Tire Sizes | Front: 110/80 R19 | Rear: 150/70 R17 |
| Tire Pressure | Front: 1.7 bar (24.7 psi) | Rear: 1.9 bar (27.6 psi) |
| Battery | YTX9-BS |
| Spark Plug | NGK LMAR9E-J |
The BMW G 310 GS (0G02) represents a significant milestone in BMW Motorrad history. A unique engineering highlight of this model is its reverse-inclined cylinder design. Unlike conventional layouts, the cylinder head is rotated 180 degrees, placing the intake at the front and the exhaust at the rear. This allows for a straight intake path and moves the engine’s center of gravity forward and lower, significantly enhancing the bike’s agility in technical off-road sections.
Engineering Overview: The Euro 4 Pioneer
Launched in 2017, the G 310 GS was designed to bring the ‘GS’ spirit to the entry-level segment while adhering to stringent Euro 4 emissions standards. The 313cc liquid-cooled single-cylinder engine produces a punchy 34 hp. Its compact architecture is complemented by a tubular steel spaceframe and a long swingarm, which provides stability despite the bike’s short wheelbase.
Maintenance Protocol
Lubrication System
For the Euro 4 variant, precision in oil choice is critical for the longevity of the wet clutch and the high-revving single-cylinder engine. Always use 1.6 Liters of SAE 5W-40 synthetic oil. Ensure the oil meets JASO MA2 standards to prevent clutch slippage, a common issue when using automotive-grade oils.
Ignition and Electrical
The 0G02 utilizes a high-performance NGK LMAR9E-J spark plug. Due to the engine’s high compression ratio, the spark plug gap and heat range are vital for preventing pre-detonation. The electrical system is supported by a YTX9-BS battery; for riders in colder climates, maintaining a steady charge is essential as the G 310 GS can be sensitive to voltage drops during the start-up cycle.
Chassis and Tires
Equipped with a 19-inch front wheel, the G 310 GS is capable of light trail work. Maintaining the factory-specified pressures of 1.7 bar (Front) and 1.9 bar (Rear) is crucial for both tire wear and the intervention accuracy of the standard ABS system.
MotoSpecsLab Editorial Verdict
The BMW G 310 GS (2017-2020) is an over-engineered marvel in the sub-500cc category. While its Euro 4 mapping can feel lean at low RPMs, its mechanical robustness and the innovative engine layout make it a standout choice for both commuters and adventure enthusiasts. Proper adherence to the 5W-40 oil regimen and spark plug intervals ensures this ‘Baby GS’ remains as reliable as its larger R 1250 GS siblings.