Target Audience:
Owners and technicians servicing KTM 85 SX motocross motorcycles from 2004 onwards.
Value Proposition:
Provides factory-level repair and maintenance information, enabling cost-effective and accurate servicing. Offers lifetime access without additional fees.
Distinguishing Features:
Lifetime access, compatibility with all modern operating systems (Windows/MAC), and comprehensive coverage described as 'professional' quality, mirroring OEM manuals.
Content Detail:
Step-by-step instructions, hundreds of detailed photos, and exploded diagrams.
Access Method:
Instant download for immediate use on computers, tablets, and smartphones.
Applicable Model Years:
2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 (and subsequent model years as they are released and covered by the publisher)
Geographic Coverage:
Global (designed for factory specifications applicable worldwide)
Estimated Page Count:
Hundreds (specific number not provided, but described as 'very detailed' and containing 'hundreds of pages')
Manual Type:
Factory Service Repair Workshop Manual
Engine Mechanical:
Top end overhaul (cylinder, piston, rings), bottom end assembly (crankshaft, connecting rod, bearings), valve timing and adjustment, cooling system (radiator, water pump), lubrication system.
Fuel System:
Carburetor removal, cleaning, inspection, and adjustment (including jetting recommendations), fuel lines, fuel filter replacement.
Ignition System:
Spark plug inspection and replacement, ignition coil troubleshooting, CDI unit testing (where applicable).
Exhaust System:
Exhaust pipe and silencer inspection, gasket replacement, carbon buildup cleaning.
Transmission And Clutch:
Clutch operation, lever adjustment, clutch disc inspection and replacement, transmission gear inspection, shift mechanism troubleshooting, gearbox oil change and specifications.
Suspension:
Front fork service (oil change, seal replacement, spring inspection), rear shock absorber service (including air pressure adjustments where applicable), linkage maintenance.
Brakes:
Brake fluid flush and replacement, caliper inspection and service, master cylinder maintenance, brake pad replacement, rotor inspection.
Electrical System:
Wiring diagrams, battery maintenance, lighting system troubleshooting, fuse identification, kill switch operation.
Cooling System:
Coolant type and capacity, radiator flushing, water pump seal inspection and replacement, thermostat function.
Chassis And Bodywork:
Frame inspection, seat removal, fuel tank maintenance, handlebar and control adjustments, plastic component removal and installation.
Routine Maintenance:
Pre-ride checks, oil changes, filter cleaning/replacement, chain adjustment and lubrication, bolt torque checks.
Troubleshooting Guides:
Step-by-step diagnostic procedures for common performance issues, starting problems, and component failures.
Engine Rebuild:
Complete disassembly, inspection, cleaning, repair, and reassembly of the engine.
Component Overhaul:
Detailed instructions for servicing and rebuilding major components like carburetors, water pumps, and brake calipers.
Wiring Diagrams:
Clear, schematic diagrams illustrating the electrical system for accurate troubleshooting and repair.
Specifications And Tolerances:
Precise torque values, wear limits, clearances, and other critical measurements for engine and chassis components.
Special Tool Identification:
Identification of specific tools required for certain repair procedures.
Depth Of Coverage:
Comprehensive from basic owner maintenance to complete engine and chassis overhauls, suitable for professional mechanics and experienced home mechanics.
Engine Type:
Single-cylinder, 2-stroke
Displacement:
85 cc (for most models within the covered range, variations may exist)
Bore X Stroke:
Typically around 47 x 48.9 mm (subject to specific model year variations, consult manual for exact figures)
Cooling System:
Liquid-cooled
Horsepower:
Estimates vary by year, but typically in the 20-25 HP range (refer to specific model year data in manual for precise figures)
Torque:
Specific figures vary by year and tuning, manual will provide detailed performance data and tuning guidance.
Carburetor Type:
Typically a Mikuni VM series carburetor (e.g., VM28 for some years), specific model and jetting detailed in the manual.
Fuel Mixture:
Premix fuel/oil (ratio specified in manual, commonly 1:30 or 1:40 depending on oil type).
Transmission Oil Type:
Manual will specify SAE grade and API classification for gearbox oil (e.g., SAE 75W/80 or SAE 10W-40 motorcycle specific).
Cylinder Material:
Typically Nikasil-plated aluminum alloy.
Engine Oil Change:
Recommended at frequent intervals based on usage (e.g., every 10-20 hours of riding or as specified for specific tasks).
Air Filter Cleaning:
Frequent cleaning recommended, especially in dusty conditions (e.g., every few rides).
Spark Plug Inspection:
Regular inspection and replacement based on wear and performance.
Top End Rebuild:
Recommended based on hours of use (e.g., 40-80 hours depending on riding style and component quality). Manual provides detailed procedures.
Coolant:
Manual will specify the required type of antifreeze/coolant mixture ratio (e.g., 50/50 distilled water and ethylene glycol-based coolant).
Brake Fluid:
Manual will specify DOT specification (e.g., DOT 4) and replacement intervals.
Common Wear Items:
Clutch plates, piston rings, spark plugs, chain and sprockets, wheel bearings, fork seals, brake pads are common wear items addressed in the manual.
Carburetor Tuning:
Altitude and temperature compensation for carburetor jetting is a critical aspect covered in the manual for optimal performance.