Market Position:
The Sachs MadAss occupies a unique niche as a rugged, utilitarian, and somewhat minimalist motorcycle with a distinct 'scrambler' aesthetic. It appeals to riders seeking an unpretentious, customizable platform for urban commuting and light off-road exploration. Its affordability and simple mechanics make it attractive to DIY enthusiasts.
Key Features:
Distinctive utilitarian styling, robust chassis, accessible components for customization and maintenance, lightweight design, and a focus on essential riding experience.
Coverage Areas:
All Sachs MadAss models and variations
Delivery:
Instant Download
Manual Type:
Workshop Service Repair Manual
Manual Completeness:
Comprehensive, covering all aspects of repair and maintenance for all included models.
Page Count:
Not Specified (Comprehensive Digital Content)
Systems Covered:
Engine, Fuel System, Ignition System, Exhaust System, Transmission, Clutch, Drive System, Chassis, Suspension (Front & Rear), Brakes (Front & Rear), Electrical System (Wiring Diagrams, Lighting, Battery, Charging), Cooling System (if applicable), Frame, Bodywork, Controls, Instruments
Suspension Front:
Telescopic Forks (with adjustment details)
Suspension Rear:
Swingarm with Mono-shock or Twin Shocks (with adjustment details)
Procedures Included:
Routine Maintenance, Troubleshooting, Repair Procedures, Disassembly/Reassembly, Overhauls, Adjustments, Component Replacement, Wiring Diagram Interpretation, Specifications and Tolerances
Engine Rebuild Procedures:
Detailed procedures for engine disassembly, cleaning, inspection, repair, and reassembly, including piston, ring, bearing, and gasket replacement.
Electrical Diagnostics:
Comprehensive wiring diagrams, component testing procedures, and troubleshooting for charging system, ignition system, lighting, and starter.
Technical Depth:
Detailed step-by-step instructions, exploded views, diagrams, illustrations, specifications, and torque values for comprehensive servicing and repair.
Troubleshooting Charts:
Includes diagnostic guides for common problems, symptoms, and likely causes across all major systems.
Technical Specifications:
Detailed torque values for critical fasteners, engine clearances, tire pressures, electrical component resistance, and fluid capacities.
File Format Compatibility:
PC & Mac Compatible (Windows 95, 98, 2000, NT, XP, Vista, 7, 8, and later; macOS compatible)
Print Quality:
High-resolution digital content suitable for printing
Binding Type:
N/A (Digital Download)
Paper Type:
N/A (Digital Download)
Engine Type:
Single-cylinder, 4-stroke (varies by specific MadAss model, commonly 125cc, 150cc, 200cc)
Horsepower Range:
Approximately 8-15 HP (varies by engine displacement)
Torque Range:
Approximately 8-12 Nm (varies by engine displacement)
Fuel System Type:
Carbureted (common) or Fuel Injection (on later/specific models)
Cooling System:
Air-cooled (typical)
Ignition System:
CDI (Capacitor Discharge Ignition)
Bore X Stroke:
Varies by model, e.g., 52.4mm x 57.8mm for a 125cc
Compression Ratio:
Varies by model, typically around 9.0:1 to 10.5:1
Valve Train:
SOHC (Single Overhead Camshaft), 2 valves per cylinder
Wheelbase:
Varies by model, typically around 1300-1350 mm
Seat Height:
Varies by model, generally accessible
Fuel Tank Capacity:
Varies by model, typically around 6-8 liters
Dry Weight:
Approximately 110-130 kg (varies significantly by model)
Gross Vehicle Weight Rating:
Varies by model, typically around 250-280 kg
Safety Ratings:
N/A (Typically not crash-tested in the same manner as cars. Focus is on roadworthiness and rider safety features.)
Active Safety Features:
Disc Brakes (Front & Rear), Adequate Lighting (Headlight, Taillight, Turn Signals)
Braking System Front:
Hydraulic Disc Brake
Braking System Rear:
Hydraulic Disc Brake
Passive Safety Features:
Sturdy frame construction, rider footpegs.
Infotainment System:
Basic: Analog or digital speedometer, odometer, fuel gauge (if equipped), indicator lights.
Driver Assistance Features:
N/A (Focus on mechanical and basic electrical systems)
Connectivity Features:
N/A
Oil Change Interval:
Every 2,000-3,000 km or 6-12 months (refer to manual for specific model/oil type)
Valve Adjustment Interval:
Every 5,000-10,000 km (depending on model and manufacturer recommendation)
Chain Lubrication Interval:
Every 500-1000 km and after riding in wet conditions
Engine Oil Type:
Typically SAE 10W-40 or 20W-50, API SG or higher (verify with manual). Motorcycle-specific oil is recommended.
Brake Fluid Type:
DOT 3 or DOT 4 (verify with manual)
Coolant Type:
If liquid-cooled: Ethylene glycol-based antifreeze with corrosion inhibitors (verify with manual)
Gear Oil Type:
Typically SAE 80W or 85W gear oil (verify with manual)
Common Issues:
Electrical connections (corrosion, loose fittings), carburetor tuning (especially on older models), chain and sprocket wear, occasional quality control issues with fasteners and plastics on mass-produced units.
Carburetor Troubleshooting Points:
Jetting adjustments for altitude/temperature, float bowl level, idle speed, and pilot screw settings.
Brand Origin:
Sachs is a German engineering firm with a long history in motorcycle engines and components. While the MadAss is manufactured in China, it often leverages Sachs design principles and sometimes engine components.
Model Evolution:
The Sachs MadAss was introduced as a unique concept bike, later put into production. It has seen variations in engine size and minor styling tweaks over its production run, often catering to different market demands and emission regulations.
Production Locations:
Primarily manufactured in China, often with design and engineering input or components from European partners.
