| Specification | Data |
|---|---|
| Production Years | 2006 – 2008 |
| Engine Oil | SAE 15W-50 Semi-Synthetic (4.0 L) |
| Tire Size | F: 120/70 ZR 17 / R: 180/55 ZR 17 |
| Tire Pressure (Solo) | F: 2.2 bar (32 psi) / R: 2.5 bar (36 psi) |
| Battery | YTX14-BS |
| Spark Plug | NGK DCPR8EKC |
Engineering Highlight: Upon its release in 2006, the BMW R 1200 S (Internal code 0366) was the most powerful production boxer-twin BMW had ever engineered. Departing from the sport-touring ethos of its predecessor, the R 1100 S, the 1200 S shed nearly 13kg while introducing a high-compression (12.5:1) engine capable of 122 horsepower, making it a definitive engineering milestone for air/oil-cooled performance.
Technical Overview
The R 1200 S is built around a multi-section trellis frame that uses the engine as a stressed member. This architecture, combined with the signature Telelever front suspension and Paralever rear drive, provides a level of chassis stability that is unique in the sportbike segment. Unlike the GS or RT variants of the same era, the 0366 model features more aggressive geometry and a higher rev limit, catering to the track-day enthusiast.
Maintenance Guide
Lubrication System
The Boxer engine relies heavily on oil for both lubrication and cooling. For the BMW R 1200 S, a SAE 15W-50 Semi-Synthetic oil is specified. The total capacity is 4.0 liters. It is critical to check the oil level via the sight glass only when the engine is at operating temperature and has sat for five minutes on a level surface.
Ignition & Electrical
To maintain the high-compression combustion efficiency, the NGK DCPR8EKC dual-electrode spark plugs must be gapped correctly and replaced at standard service intervals. The electrical system is powered by a YTX14-BS battery; given the high-torque starter motor required for the 1170cc twins, maintaining a healthy charge is essential to prevent sprag clutch wear.
Tires and Handling
The handling characteristics are sensitive to tire pressure. For solo riding, maintain 2.2 bar (32 psi) in the front and 2.5 bar (36 psi) in the rear. When carrying luggage or a passenger, increase these to 2.5 bar and 2.9 bar respectively to prevent carcass deformation and ensure heat dissipation.
Frequently Asked Questions
What is the oil capacity for the R 1200 S?
The system requires 4.0 liters of 15W-50 semi-synthetic oil, including the filter change.
Which spark plugs are recommended?
The factory recommendation is the NGK DCPR8EKC, designed to handle the specific thermal loads of the high-compression boxer engine.
What are the tire pressures for a loaded bike?
Under load, tires should be set to 2.5 bar (36 psi) at the front and 2.9 bar (42 psi) at the rear.