2003-2009 Suzuki DR-Z125/LK4, LK5, LK6, LK7, LK8, LK9 Service & Repair Manual (OEM)

• Covers 2003–2009 Suzuki DR-Z125 and DR-Z125L motorcycles, including all LK3 through LK9 variants
• Official first-edition Suzuki service publication detailing the 4-stroke single-cylinder build
• Contains over 120 diagnostic, maintenance, and engine-overhaul exploded-view diagrams
• Provides factory specifications for internal engine tolerances, electrical systems, carburetor tuning, and chassis settings required for professional-grade maintenance across 232 pages

Engine and Chassis Documentation

Organized into seven distinct groups, the 2003–2009 Suzuki DR-Z125 service manual systematically covers the complete motorcycle. The document starts with general information, pinpointing serial number locations and defining basic dimensional and mass specifications. Subsequent chapters map out periodic maintenance intervals and tune-up procedures. Expect detailed breakdowns of air cleaner servicing, valve clearance checks, and oil filter replacements.

From there, the technical documentation shifts to complete engine disassembly, inspection, and reassembly. Mechanics will find exact tolerances for cylinder head components, pistons, connecting rods, and transmission gears. Since working on motorcycle drivetrains involves inherent physical risks, mechanics must always employ standard shop safety practices and secure the bike on a stable lift before attempting any heavy teardown.

Specifications and Reference Values

This manual provides factory-standard service limits for critical wear items across both the drivetrain and chassis. For example, the cylinder head service data specifies intake valve clearance at 0.08–0.13 mm. Chassis bolt tables document the rear axle nut torque at 45 Nm, while fluid charts set the engine oil capacity at 950 ml during filter changes.

You also get precise reference figures for crankcase bearing replacement and cam chain tensioning. All provided torque values ensure standardized workshop application, so every component bolts down to exact factory requirements.