| Component | Specification |
|---|---|
| Production Years | 1999 – 2009 |
| Engine Oil | SAE 15W-50 / 20W-50 (3.5 L) |
| Front Tire | 120/70 R 17 58V |
| Rear Tire | 160/70 B 17 79V |
| Spark Plug | NGK DCPR7E (0.6 – 0.7 mm gap) |
| Battery | 51913 (12V 19Ah) |
The BMW K 1200 LT (K2LT) stands as a landmark in luxury touring engineering. A unique historical highlight of this machine is that it was the first production motorcycle in the world to feature an optional electro-hydraulic center stand (introduced in 2004), allowing riders to hoist its massive 380kg wet weight with the simple press of a button. This innovation signaled BMW’s intent to dominate the flagship touring market, directly challenging the hegemony of the Honda Goldwing.
Engineering Overview
At the heart of the K2LT is the longitudinally mounted, liquid-cooled, 1171cc inline-four engine. Unlike the transverse layouts common in Japanese tourers, the K 1200 LT’s engine lies on its side, lowering the center of gravity and simplifying the power delivery to the shaft drive. The chassis utilizes BMW’s signature Telelever front suspension and Paralever rear, which significantly reduces brake dive—a critical feature for a bike of this mass.
Maintenance Essentials
Lubrication System
The K2LT engine is robust but demands specific viscosity to maintain oil pressure across wide temperature ranges. We recommend SAE 15W-50 or 20W-50 meeting API SF, SG, or SH standards. Total capacity is 3.5 liters. Given the dry clutch design, standard automotive oils can technically be used, provided they meet the API specifications, as the oil does not interact with the clutch plates.
Tires and Pressures
Tire selection is critical for the K 1200 LT due to its weight. The rear tire uses a Bias-belted (B) construction (160/70 B 17) to handle the load. Pressure management is non-negotiable for handling stability:
- Front: 2.5 bar (36.3 psi)
- Rear (Solo): 2.9 bar (42.1 psi)
- Rear (Loaded): 3.2 bar (46.4 psi)
Electrical & Ignition
The ignition system relies on NGK DCPR7E plugs. Ensure the gap is precisely set between 0.6 and 0.7 mm to prevent misfires under high load. The electrical demands of the integrated radio, heated seats, and optional navigation require a healthy 19Ah battery (Model 51913).
Editor’s Verdict: The K2LT Legacy
From a technical standpoint, the K 1200 LT is a masterpiece of late-90s engineering that aged gracefully. While the complexity of the Integral ABS system requires diligent fluid flushes every two years, the mechanical core of the bike is capable of exceeding 200,000 kilometers with proper maintenance. For the modern collector or long-distance tourer, it remains one of the most sophisticated ways to cross a continent.