Segment:
Entry-level to mid-range performance off-road/supermoto motorcycle.
Competitors 1998:
KTM EXC 125, Yamaha DT125, Aprilia MX 125, Honda CRM125.
Vehicle Focus:
Agile handling, lightweight construction, dual-purpose capability (enduro/supermoto).
Cost Savings:
Inexpensive way to keep the vehicle working properly, saving on professional labor costs.
Accessibility:
Printable pages for use in the garage or workshop.
Engine Mechanical:
Detailed procedures for engine disassembly, inspection, repair, and reassembly.
Engine Electrical:
Wiring diagrams, ignition system, charging system, starter system diagnosis and repair.
Emission Control:
Information on emission control systems relevant to the 1998 model.
Fuel System:
Carburetor overhaul, fuel pump, fuel lines, and tank inspection and repair.
Suspension System:
Front forks (upside-down likely), rear shock absorber service, adjustments, and rebuilds.
Clutch System:
Clutch operation, lever adjustment, cable inspection, and clutch pack replacement.
Transmission System:
Manual transaxle servicing, gear inspection, shifting mechanism repair.
Driveshaft And Axle:
Chain and sprockets maintenance, rear wheel hub and axle service.
Steering System:
Handlebar, steering head bearings maintenance and adjustment.
Brake System:
Front and rear brake caliper service, master cylinder, brake fluid replacement, pad and disc inspection.
Body Interior Exterior:
Fairings, fenders, seat, fuel tank removal and installation, cosmetic repairs.
Body Electrical System:
Lighting systems, horn, instrument panel, battery maintenance.
Restraint System:
While not typically applicable to motorcycles, this might refer to securing mechanisms or passenger footpegs if applicable.
Maintenance:
Regular service checks, lubrication, adjustments, fluid changes.
Troubleshooting:
Systematic diagnosis of common problems and solutions.
Repair:
Step-by-step instructions for replacing or repairing parts and components.
Rebuilds:
Comprehensive instructions for major component overhauls (e.g., engine, carburetor, suspension).
Diagnostics:
Electrical system diagnostics, mechanical issue diagnosis.
Depth:
Comprehensive coverage from basic maintenance to complex repairs and diagnostics.
User Target Audience:
Do-it-yourselfer (DIY) and experienced mechanics.
Printability:
Fully Printable
Zoom Capability:
Yes (Zoom IN/OUT)
Binding:
Digital (PDF download)
Paper Quality:
N/A (Digital, print at user's discretion on desired paper type)
PDF Reader:
Adobe PDF Reader
Unzip Utility:
WinZip or compatible archive utility
Operating Systems:
All Versions of Windows & Mac
Illustrations:
Detailed illustrations, diagrams, and photos
Instructions:
Step-by-step numbered instructions
Wiring Schematics:
Included wiring schematics
Notes Cautions:
Notes, cautions, and warnings throughout each chapter
Table Of Contents:
Numbered table of contents for easy navigation
Engine Type:
Two-stroke, liquid-cooled, single-cylinder
Displacement:
125cc (approx. 124.8 cc)
Bore X Stroke:
Specific dimensions available within the manual, likely around 54mm x 54.5mm.
Compression Ratio:
Detailed in manual, typically high for a two-stroke.
Horsepower Estimated:
Approx. 25-30 HP (may vary by tuning and market regulations).
Torque Estimated:
Specific figures in manual, optimized for low-end torque for off-road use.
Carburetor Type:
Likely a Mikuni or Keihin flat-slide carburetor (e.g., VM series or PWK series), size typically 34-38mm.
Fuel Type:
Unleaded gasoline with two-stroke engine oil pre-mix.
Ignition Type:
CDI (Capacitor Discharge Ignition) with electronic timing.
Cooling Method:
Liquid Cooling
Type:
6-speed constant mesh manual transmission.
Variants:
N/A (Single transmission configuration expected for this model).
Clutch Type:
Wet, multi-plate, cable-operated.
Gear Ratios:
Specific gear ratios and final drive ratio detailed in the manual.
Transmission Fluid:
Manual will specify type and capacity (likely a specific gear oil).
Crash Test Results:
N/A for motorcycles; focus on design safety features.
Braking System:
Hydraulic disc brakes front and rear.
Lighting:
Headlight, taillight, brake light, turn signals.
Frame Construction:
Likely a perimeter or semi-perimeter steel or aluminum frame.
Tire Sizes:
Standard sizes for supermoto/enduro, e.g., 90/90-21 front, 120/80-18 rear (or 17-inch for SM).
Oil Change Engine:
Specific recommendations in manual, often 15-20 hours of use for two-strokes, or monthly/seasonal checks.
Spark Plug Check:
Regular checks (e.g., every few hundred miles or 10-15 hours).
Chain Lubrication Tension:
Frequent checks, especially after off-road use (e.g., every 300-500 miles or as needed).
Air Filter Cleaning:
Frequent cleaning recommended, especially in dusty conditions.
Coolant Type:
Ethylene glycol based antifreeze/coolant (specific type in manual).
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid (specified in manual).
Two Stroke Oil Type:
High-quality semi-synthetic or fully synthetic two-stroke racing oil, specifically for premix.
Two Stroke Wear:
Standard two-stroke wear items like piston rings, piston, and cylinder bore require periodic inspection and replacement based on usage.
Carburetor Tuning:
Two-stroke carburetors can be sensitive to altitude and temperature changes, requiring periodic adjustment for optimal performance.
Electrical Connections:
As with many motorcycles of this era, checking and cleaning electrical connections for corrosion or looseness is crucial.
Brand Origin:
Husqvarna Motorcycles is a Swedish brand with a long history in off-road and motocross racing, founded in 1689 (originally as a firearms manufacturer).
Wre Series Context:
The WRE series represented Husqvarna's foray into the popular enduro and supermoto market in the late 1990s, offering a blend of off-road capability with road-legal features.
Production Period 125Cc:
Husqvarna produced 125cc two-stroke models for many years, with the WRE 125 SM representing a specific iteration of their modern enduro/supermoto design.
