| Specification | Value |
|---|---|
| Production Years | 2010 – 2013 |
| Engine Type | Air/Oil-cooled DOHC Boxer |
| Engine Oil | SAE 15W-50 (4.0 L) |
| Battery | 51913 (12V 19Ah) |
| Spark Plugs | 4x NGK MAR8B-JDS |
| Tire Size (F/R) | 120/70 ZR 17 / 180/55 ZR 17 |
The 2010–2013 BMW R 1200 RT, internally designated as the 0430, represents a pivotal moment in the history of the Reise-Tourer lineage. While visually similar to its predecessor, this iteration introduced the Double Overhead Camshaft (DOHC) cylinder heads derived directly from the high-performance HP2 Sport. This engineering shift utilized a radial valve arrangement, allowing for larger valve diameters and a more efficient combustion chamber, effectively pushing the Boxer’s redline and torque curve into a new realm of touring capability.
Engineering Excellence: The DOHC Advantage
Unlike the previous OHC versions, the 0430’s engine utilizes two overhead camshafts per cylinder. This configuration allows for better airflow and a more aggressive cam profile, resulting in a smoother power delivery across the entire RPM range. For the long-distance rider, this means reduced vibration and more immediate passing power, even when the integrated hard cases are fully loaded.
Maintenance Essentials
Lubrication System
Precision cooling is vital for the Boxer engine. The 0430 requires 4.0 liters of SAE 15W-50 oil. It is imperative to use oil that meets API SJ / JASO MA2 standards to ensure the longevity of the internal components and the proper function of the dry clutch environment (though the oil itself lubricates the engine internals). MotoSpecsLab recommends checking the sight glass only after the engine has reached full operating temperature and sat for five minutes.
Ignition and Electrical
The DOHC engine utilizes a dual-ignition system requiring four NGK MAR8B-JDS spark plugs. These plugs are critical for maintaining the efficient flame front required by the radial valve layout. For starting reliability, the 51913 battery provides the high cold-cranking amps (CCA) necessary to turn over the high-compression 1170cc cylinders.
Tires and Chassis
Handling precision on a 250kg+ machine depends heavily on tire maintenance. The R 1200 RT uses a 120/70 ZR 17 front and a 180/55 ZR 17 rear. Pressure management is non-negotiable for safety and tire life:
- Front: 2.2 bar (32 psi) solo / 2.5 bar (36 psi) with passenger.
- Rear: 2.5 bar (36 psi) solo / 2.9 bar (42 psi) with passenger and luggage.
MotoSpecsLab Verdict
The BMW R 1200 RT (0430) remains one of the most balanced touring motorcycles ever produced. By combining the soul of the traditional Boxer with modern DOHC performance, BMW created a machine that is as capable on a technical mountain pass as it is on a cross-continental motorway. Proper adherence to the 15W-50 oil specification and spark plug intervals will ensure this machine remains a reliable companion for decades.