Segment:
Entry-level to intermediate motocross competition motorcycle.
Target Audience:
Motocross riders, off-road enthusiasts, and mechanics seeking detailed repair and maintenance information for the 2000 Husqvarna CR125.
Competitors 2000:
Yamaha YZ125, Honda CR125R, Suzuki RM125, Kawasaki KX125.
Bike Characteristics:
Known for strong mid-range power, agile handling, and a focus on competitive performance in its class.
Manual Value Proposition:
Provides essential information for maintaining peak performance and ensuring the longevity of the 2000 Husqvarna CR125, saving time and money on repairs.
Systems Covered:
Engine, Fuel System, Ignition System, Cooling System, Transmission, Clutch, Chassis, Suspension (Front & Rear), Brakes (Front & Rear), Electrical System, Exhaust System, Wheels & Tires, Lubrication, Troubleshooting, Specifications, Maintenance.
Page Count:
Estimated 200-300 pages (typical for comprehensive service manuals of this era).
Manual Type:
Service Repair Manual
Engine Overhaul:
Complete teardown, inspection, and reassembly of the 125cc 2-stroke engine, including piston, cylinder, crankshaft, bearings, seals, and gaskets.
Fuel System Diagnosis:
Carburetor tuning, cleaning, and rebuilding; fuel line inspection and replacement; fuel tank and petcock maintenance.
Ignition System Testing:
Spark plug specifications, testing ignition coil, stator, and CDI unit; timing adjustments (if applicable).
Cooling System Maintenance:
Radiator inspection and cleaning, coolant type and capacity, water pump service, hose replacement.
Transmission And Clutch Repair:
Gearbox disassembly, inspection, and reassembly; clutch operation, friction plates, steel plates, and springs; shifting mechanism.
Suspension Adjustment And Rebuild:
Front fork servicing (oil change, seal replacement, spring inspection), rear shock absorber maintenance and adjustments, linkage lubrication.
Braking System Overhaul:
Front and rear brake caliper servicing, master cylinder rebuilding, brake pad replacement, brake fluid flush and bleed, rotor inspection.
Electrical System Troubleshooting:
Wiring diagrams, lighting, horn, kill switch functionality, battery maintenance, charging system (if applicable).
Chassis And Frame Inspection:
Frame integrity checks, steering head bearing service, swingarm pivot bearing maintenance.
Routine Maintenance:
Chain adjustment and lubrication, air filter cleaning/replacement, spark plug inspection, general bolt tightening.
Troubleshooting Guides:
Detailed diagnostic procedures for common performance issues, starting problems, and operational faults.
Component Rebuilding:
Step-by-step instructions for rebuilding carburetors, water pumps, brake master cylinders, and clutch slave cylinders.
Technical Specifications Listing:
Torque specifications for all fasteners, engine clearances, fluid capacities, electrical component resistance values.
Depth Of Coverage:
Comprehensive, suitable for DIY mechanics and professional technicians alike. Covers everything from basic adjustments to complete engine and chassis overhauls.
Engine Type:
Liquid-cooled, 2-stroke, single-cylinder
Displacement:
125 cc (Cubic Centimeters)
Bore X Stroke:
Specifications available in the manual, typically around 54mm x 54.5mm for this class.
Reed Valve System:
Likely features a reed valve induction system for improved intake efficiency.
Horsepower Estimate:
Estimated 35-40 HP (Horsepower) at peak RPM (exact figures in manual).
Torque Estimate:
Estimated 18-20 lb-ft (Pound-feet) of torque (exact figures in manual).
Carburetor Model:
Likely a Keihin PWK or similar high-performance carburetor, size typically 35-38mm.
Fuel Type:
Premium Unleaded Gasoline (91+ octane)
Oil Mixture Ratio:
Typically 40:1 or 50:1 with a high-quality 2-stroke pre-mix oil (specified in manual).
Transmission Type:
6-speed manual sequential gearbox
Clutch Type:
Wet, multi-plate (Hydraulically operated, if applicable for the model year).
Gear Ratios:
Specific gear ratios for each of the 6 speeds will be detailed in the manual.
Final Drive:
Chain drive (e.g., 520 pitch chain, with specific sprocket ratio information available in the manual).
Safety Features Design:
Designed for closed-course competition, standard road safety features (lights, horn) are present but may not meet street-legal requirements in all jurisdictions. Manual provides details on lighting circuit operation.
Braking Performance:
Hydraulic disc brakes front and rear for strong stopping power, specifications and maintenance procedures detailed in the manual.
Frame Construction:
Chromoly steel frame for strength and rigidity, important structural inspection points covered in the manual.
Oil Change Frequency:
Transmission oil: typically every 10-15 hours of riding (specific interval in manual).
Air Filter Cleaning:
Regular cleaning/replacement recommended, especially in dusty conditions (e.g., every 5-10 hours of riding).
Top End Rebuild:
Piston and ring replacement typically recommended every 30-50 hours of aggressive riding (manual provides detailed wear limits).
Transmission Oil Type:
Specific grade of gear oil or transmission fluid, e.g., SAE 80W/90 (refer to manual for exact specification and capacity).
Coolant Type:
Ethylene glycol-based antifreeze/coolant mixture (50/50 ratio) (refer to manual for exact type and capacity).
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid (refer to manual for exact specification).
Common Wear Items:
Clutch plates, piston rings, crankcase bearings, wheel bearings, steering head bearings, swingarm bearings, fork seals, brake pads.
Performance Tuning Considerations:
Carburetor jetting can be sensitive to altitude and temperature; proper maintenance of the exhaust packing is also important for performance.
Husqvarna Legacy:
Husqvarna has a long and storied history in off-road and motocross racing, dating back to the early 20th century, known for its Swedish engineering and performance.
Cr125 Development:
The CR125 model was a mainstay in Husqvarna's motocross lineup, evolving with technological advancements throughout the years, with the 2000 model representing a mature iteration of their 125cc platform.
Manufacturing Location:
Manufactured by Husqvarna Motorcycles, originally in Sweden, though ownership has changed over the years.
