2004-2009 KTM 85 SX / 105 SX Motocross-Bike Repair Manual

KTM 85 SX and 105 SX Motocross Service Documentation

• Covers 2004–2009 KTM 85 SX and 105 SX motocross bikes, including both standard 17/14 and big-wheel 19/16 variants
• Original OEM publication ART. NR. 3.206.049-E, covering multiple model years from 2004 through 2009
• Contains 47 detailed exploded-view diagrams and 15 chassis and engine torque specifications tables
• File link appears in your order confirmation straight away
• Stored against your account so you can retrieve it after a hard-drive loss
• Print resolution preserves exploded-view detail
• Indexed PDF search covers every chapter and appendix
• This 2004–2009 factory publication documents the transition from the 85 SX to the 105 SX displacement increases while maintaining shared chassis and suspension architecture

Engine and Chassis Maintenance Overview

The 2004–2009 KTM 85 SX and 105 SX workshop manual provides detailed information for the teardown and assembly of the liquid-cooled two-stroke engine and associated chassis components. Key sections cover the engine disassembly, including the crankshaft, transmission gear stacks, shift mechanism, and the centrifugal timer water pump assembly. The documentation provides a logical flow for mechanics, starting with general service procedures and progressing to specialized sub-assemblies.

Specification and Setup Data

Technical data is presented through extensive specification tables and setup guides covering suspension sag, carburetor jetting, and torque requirements. The mainshaft and countershaft assembly details include gear ratios and spacer-thickness references. Tightening torque values are specified for critical fasteners, including the 80 Nm requirement for the rear wheel spindle nut and 15 Nm for crankcase cover bolts. The manual provides detailed carburetor jetting charts based on altitude and temperature ranges. A 246-page OEM workshop manual covering the 2004–2009 KTM 85 SX and 105 SX, documenting engine, chassis, and electrical system specifications for the two-stroke liquid-cooled racing lineup.

Document Reference: Original OEM manufacturer publication, Art.- Nr. 3.206.049-E