| Specification | Data |
|---|---|
| Model Code | 0G01 (Euro 4) |
| Production Years | 2016 – 2020 |
| Engine Oil | SAE 15W-50 (1.65 L) |
| Tire Size (F/R) | 110/70 R 17 / 150/60 R 17 |
| Spark Plug | NGK LMAR9E-J |
| Battery | YTX9-BS |
The BMW G 310 R (0G01) represents a significant milestone in BMW Motorrad history. While many enthusiasts view it as an entry-level roadster, its engineering pedigree is unique: it features a 180-degree reversed cylinder head design. By placing the intake at the front and the exhaust at the rear, BMW engineers achieved a lower center of gravity and allowed for a longer swingarm within a compact wheelbase, significantly enhancing directional stability and handling precision.
Engineering Deep Dive: The 0G01 Powerplant
The Euro 4 compliant 313cc liquid-cooled single-cylinder engine is designed for high-efficiency thermal management. Unlike traditional layouts, the rearward-tilted cylinder optimizes the air-intake path, allowing for a more direct flow. This configuration requires specific maintenance attention, particularly regarding the cooling system and oil quality to manage the heat profile of the reversed head.
Maintenance Essentials
1. Lubrication System
For the 0G01 model, BMW specifies 1.65 liters of engine oil. The required grade is SAE 15W-50, meeting API SJ and JASO MA2 standards. The JASO MA2 rating is critical to ensure the wet clutch operates without slipping under high-torque loads.
2. Electrical and Ignition
The ignition system relies on the NGK LMAR9E-J spark plug. Given the high-revving nature of this single-cylinder engine, we recommend inspecting the plug every 10,000 km. Electrical stability is maintained by a YTX9-BS battery; ensure terminals are clean to prevent the common ‘cold-start’ hesitation seen in earlier Euro 4 units.
Chassis and Tires
The G 310 R utilizes a tubular steel frame that demands precise tire pressure management to maintain its agile ‘flickability’.
- Front Tire (110/70 R 17): 1.7 bar (24.7 psi) solo / 1.9 bar (27.6 psi) with passenger.
- Rear Tire (150/60 R 17): 1.9 bar (27.6 psi) solo / 2.1 bar (30.5 psi) with passenger.
MotoSpecsLab Verdict
The BMW G 310 R (Euro 4) is more than a beginner bike; it is a masterclass in mass centralization. While the 0G01 generation requires diligent adherence to its 15W-50 oil specification to ensure longevity, its mechanical layout provides a level of balance rarely found in the sub-400cc category. For the owner-mechanic, it offers accessible maintenance points, provided the unique engine orientation is understood.
Frequently Asked Questions
Q: Can I use 10W-40 oil instead of 15W-50?
A: BMW specifically recommends 15W-50 for the 0G01 engine’s tolerances and operating temperatures. Using thinner oil may lead to increased engine noise and reduced protection at high RPMs.
Q: What is the benefit of the reversed cylinder head?
A: It allows for a straight intake tract and shifts the engine’s weight forward and down, improving front-end feel and allowing for a longer swingarm which improves traction.