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

Covers 85 SX and 105 SX motocross bikes with detailed procedures for engine, chassis, suspension, and carburetor systems. Includes troubleshooting.

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Document Details

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Document Number / Seller:
31036 / Walter Anderson
File Size:
13.64 MB
File Type:
PDF
Language:
English
Pages:
246
Printable:
Yes
Category:
Minibike
Last updated / verified
Sep 24, 2025

Models Covered & Key Technical Specifications

KTM 85 SX / 105 SX (2004-2009) Repair Manual

Covers 85 SX & 105 SX models | Workshop Edition.

  • Technical Resolution Data: 275 mm front wheel travel establishes the maximum suspension travel.
  • Specific Temperature Range: For optimal operation, 100 mm air chamber length defines the fork specification.
  • Essential Power Rating: 0.60 mm electrode gap signifies the spark plug's electrical output.
  • Advanced Memory Capacity: The engine relies on 84.93 ccm (85 SX) or 103.96 ccm (105 SX) displacement.
  • Core Speed Performance: Top speed reaches 6 gears Parameters.
  • Designated System Configuration: WP PDS 4618 shock absorber provides progressive damping.

Manual Description & Preview

KTM 85 SX / 105 SX Motocross Bikes Repair & Maintenance Guide - 2004-2009 Service-Catalog

Engine Specs: KTM 85 SX (2005-2006) / 105 SX (2006) // Chassis Specs: 85 SX (17"/14") / 85/105 SX (19"/16") Logic // Suspension Specs: WP 4357 MXMA (Fork) & WP 4618 PDS-DCC (Shock Absorber) Data.

Engine Specifications 85 SX (2005-2006) 105 SX (2006)
Displacement 84.93 ccm 103.96 ccm
Bore/Stroke 47 / 48.95 mm 52 / 48.95 mm
Transmission 6-speed 6-speed

Engineering chapters address engine, carburetor, chassis, and electrical systems.

Logically mandating proper maintenance, this manual details component disassembly and reassembly, suspension adjustments, carburetor settings, and troubleshooting.

OEM guidelines are included for transmission oil, ignition system, and spark plug specifications.

Transmission service information covers gear ratios and oil types.

Installation guidelines are provided for various components, ensuring correct fitment.

This manual documents torque specifications for ensuring service interval reliability.

FAQ

What tools are needed for **designated** adjustment procedures? keyboard_arrow_down

32 mm is the recommended range for chain adjustment, with specific collars and screws required for proper alignment.

Identify the **critical** pressure specifications for the tires. keyboard_arrow_down

1.0 bar is the standard air pressure for both front and rear tires, crucial for optimal riding performance.

What procedures are **required** for the assembly sequence of the front fork? keyboard_arrow_down

20 Nm is the specified torque for the handlebar clamp bolts, ensuring secure mounting.

Determine the **specified** service interval parameters for the engine oil. keyboard_arrow_down

0.50 liter of Motorex Topspeed 4T 15W50 engine oil is the specified capacity for transmission lubrication.

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