Purpose:
To provide comprehensive repair, maintenance, and diagnostic information for Kawasaki KX125, KX250, and KX500 models from 1988-1989.
Value Proposition:
Offers instant access to critical technical data, enabling owners and mechanics to perform a wide range of service and repair tasks efficiently.
Delivery Method:
Instant PDF download post-payment.
Support:
Lifetime Protection Policy against loss or damage.
Versatility:
Covers multiple model variants within the specified years, providing broad utility.
Covered Models:
1988 Kawasaki KX125, 1988 Kawasaki KX250, 1988 Kawasaki KX500, 1989 Kawasaki KX125, 1989 Kawasaki KX250, 1989 Kawasaki KX500
Covered Engine Types:
2-Stroke
Estimated Page Count:
Refer to specific manual sections (typically 300-600 pages per model)
Type:
Repair Manual / Workshop Manual / Service Manual / Owner's Manual (integrated coverage)
Format:
Electronic Downloadable PDF
Engine:
Complete overhaul, disassembly, assembly, tuning, lubrication, cooling
Fuel System:
Carburetor identification, adjustment, rebuilding, fuel pump (if applicable), fuel lines
Lubrication Cooling:
Premix ratios, oil injection systems (if applicable), radiator (if applicable), coolant management
Transmission Drivetrain:
Gearbox disassembly/assembly, clutch operation and service, drive chain adjustment and replacement, sprocket wear
Suspension:
Front fork service (oil changes, seal replacement), rear shock absorber maintenance and adjustment, linkage lubrication
Steering:
Handlebar, steering stem bearings, headstock adjustment and maintenance
Brakes:
Front and rear brake system service (hydraulic, drum), fluid replacement, caliper and master cylinder maintenance
Electrical System:
Ignition system testing and troubleshooting, lighting, wiring diagrams, battery maintenance, stator and CDI diagnosis
Bodywork Chassis:
Frame inspection, plastics, seat, fenders, handlebars, footpegs
Intake Exhaust:
Airbox cleaning and maintenance, reed valve inspection, exhaust pipe and silencer service
Routine Maintenance:
Pre-ride checks, chain lubrication, air filter cleaning, spark plug replacement, fluid level checks
Engine Rebuild:
Top-end rebuild (piston, rings, cylinder), bottom-end rebuild (crankshaft, bearings, seals)
Troubleshooting:
Diagnostic flowcharts, common problem identification and solutions
Component Installation Removal:
Step-by-step guides for major component removal and installation
Calibration Adjustment:
Carburetor jetting, ignition timing (if adjustable), suspension settings
Depth:
Comprehensive: Covers basic maintenance to full engine and chassis overhauls, including diagnostic procedures.
Kx125 Engine Type:
2-stroke, single-cylinder, liquid-cooled
Kx250 Engine Type:
2-stroke, single-cylinder, liquid-cooled
Kx500 Engine Type:
2-stroke, single-cylinder, liquid-cooled
Kx125 Bore X Stroke:
52.0 x 57.0 mm (approx.)
Kx250 Bore X Stroke:
66.4 x 72.0 mm (approx.)
Kx500 Bore X Stroke:
86.0 x 86.0 mm (approx.)
Kx125 Power Output:
Approx. 35-40 HP (varies by year and tune)
Kx250 Power Output:
Approx. 45-50 HP (varies by year and tune)
Kx500 Power Output:
Approx. 55-60 HP (varies by year and tune)
Carburetor Type:
Mikuni VM Series (e.g., VM28SS for KX125, VM34SS for KX250/KX500, specific sizes vary)
Fuel Delivery:
Gravity feed with pre-mix fuel/oil ratio (typically 20:1 or 32:1)
Engine Top End:
Recommended rebuild every 30-50 hours of hard use (piston, rings), crankshaft/bearings as needed.
Air Filter:
Clean/inspect before every ride or after dusty conditions.
Chain Lubrication:
Lubricate every 200-300 miles or more frequently in wet/muddy conditions.
Transmission Oil:
SAE 10W30 API SE or SG (refer to manual for exact specification, e.g., Kawasaki genuine oil or equivalent)
Coolant:
Ethylene glycol-based antifreeze mixed with distilled water (50/50 ratio) for liquid-cooled engines.
Brake Fluid:
DOT 3 or DOT 4 hydraulic brake fluid (ensure compatibility with seals).
Kx125 Common Problems:
Carburetor jetting sensitivity, clutch wear, reed valve damage, suspension seal leaks.
Kx250 Common Problems:
Clutch fade, transmission bearing issues (on some units), carburetor performance tuning.
Kx500 Common Problems:
Vibration, kickstart mechanism wear, radiator leaks, carburetor jetting for varying altitudes.
Kawasaki Motocross:
Kawasaki has a long-standing and successful history in motocross racing, with the KX line being a cornerstone of their performance offerings.
Kx Series Development:
The 1988-1989 models represent a period of significant development, building on previous generations with improvements in suspension, engine performance, and chassis dynamics to compete in the highly competitive motocross market.
Manufacturing Location:
Japan