🏷️ Basic Information Identification Make: Lada Model: Niva Model Code: VAZ 2121 Variant: OLD Codes Platform Code: VAZ-2121 👋 Introduction Market Position Segment: Compact SUV / Off-road Vehicle Positioning: Affordable, rugged, go-anywhere utility vehicle with a strong emphasis on off-road capability. Competitive Analysis Direct Competitors: Early Jeep CJ, Land Rover Defender (in terms of purpose, not refinement), early Toyota Land Cruiser models. Key Features Defining Features: Permanent four-wheel drive, high ground clearance, simple and robust mechanicals, low cost of ownership. Appeal Drivers: Off-road enthusiasts, utility vehicle users, budget-conscious buyers seeking durability. 📋 Manual Details Coverage Areas Primary Coverage: Maintenance and Repair Secondary Coverage: Troubleshooting, Technical Specifications, Service Procedures Page Count Estimated Page Count: 400+ Manual Type Type: Official Factory Maintenance Manual Language Language: English (assumed based on product listing, common for international sales) Format Digital Format: PDF 📖 Manual Coverage Systems Covered Engine System: Engine mechanicals, lubrication, cooling, fuel, ignition, exhaust, emissions control Drivetrain: Clutch, transmission (manual), transfer case, drive shafts, differentials, axles Suspension Steering: Front and rear suspension components, steering gearbox, linkage, power steering (if applicable) Brakes: Front disc brakes, rear drum brakes, hydraulic system, parking brake Electrical System: Battery, charging system, starting system, lighting, instrumentation, wipers, horn, wiring diagrams Body Chassis: Body panels, doors, glass, interior trim, chassis components, sealing Procedures Included Maintenance: Scheduled maintenance intervals, oil changes, filter replacements, fluid checks and top-offs, lubrication points Repair: Detailed step-by-step repair instructions for all major components and systems Troubleshooting: Diagnostic procedures, symptom-based troubleshooting guides, common fault identification Technical Data Tables: Torque specifications, clearances, capacities, wiring schematics, diagnostic trouble codes (DTCs) if applicable Technical Depth Depth Level: Comprehensive factory-level detail suitable for professional technicians and advanced DIY enthusiasts 📊 Manual Specifications File Format File Type: PDF Print Quality Quality Level: Factory Quality Readability: High readability with zoom in/out functionality Printable: Yes Binding Type Delivery Method: Instant Download (Digital) Paper Type Digital Features: Searchable Text (likely, standard for factory PDFs) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 4-cylinder, naturally aspirated gasoline Displacement: 1.6 Liters (1570 cc) Bore X Stroke: 82 mm x 74.5 mm Compression Ratio: 8.5:1 (typical for early models) Performance Horsepower: 75-80 PS (approx. 74-79 bhp) at 5600 rpm (varies by specific engine variant and market) Torque: 115-120 Nm (approx. 85-88 lb-ft) at 3400 rpm (varies by specific engine variant and market) Fuel System Fuel Delivery: Carbureted (e.g., Weber, K-Jetronic CIS on some later variants) Fuel Type: Unleaded gasoline (RON 91+) Engine Codes Engine Family: VAZ-2106 family (modified) Cooling System Cooling Type: Water-cooled, pressurized system Lubrication System Oil Capacity With Filter: Approximately 3.5 Liters (3.7 US Quarts) Ignition System Ignition Type: Distributor-based, contact breaker points or electronic ignition 🔧 Transmission Standard Transmission Type: 4-speed manual Optional Transmission Options: Later models and export versions might have featured a 5-speed manual. The VAZ 2121 primarily featured a 4-speed. Features Drivetrain Layout: Permanent 4-Wheel Drive with lockable center differential Transfer Case: 2-speed transfer case with high and low range Fluid Type Transmission Fluid Spec: API GL-4, SAE 80W-90 or 75W-90 gear oil (check manual for precise OEM recommendation) Fluid Capacity Transmission Oil Capacity: Approximately 1.7 Liters (1.8 US Quarts) 📐 Dimensions Exterior Length: 3740 mm (147.2 inches) Width: 1690 mm (66.5 inches) Height: 1640 mm (64.6 inches) Wheelbase: 2200 mm (86.6 inches) Ground Clearance: 220 mm (8.7 inches) - excellent for off-road Weights Curb Weight: 1280 kg (2822 lbs) - approximate Gross Vehicle Weight Rating: 1700 kg (3748 lbs) - approximate Towing Capacity: Not officially specified, typically limited due to chassis strength and engine power. Interior Seating Capacity: 4-5 occupants (depending on configuration) Cargo Cargo Volume: Small, but expandable with rear seats folded. Wheels Tires Standard Tire Size: 175/80 R16 or 205/70 R15 (common variants) Wheel Bolt Pattern: 5x139.7 mm (5x5.5 inches) - a common SUV/truck pattern 🛡️ Safety Features Ratings Crash Test Ratings: Limited official crash test data available for early models. Generally considered basic safety features. Active Features Braking System: Front disc, Rear drum. ABS was not standard on early models. Passive Features Seatbelts: Standard lap and shoulder belts in the front, lap belts in the rear (may vary by market and year). Body Structure: Body-on-frame construction (prior to later unibody developments in some variants, though VAZ 2121 is typically considered body-on-frame like principle). 💡 Technology Features Infotainment Infotainment System: Very basic. Typically includes an AM/FM radio, possibly with a cassette player. No advanced connectivity. Driver Assistance Driver Assistance Features: None standard. Focus is on mechanical simplicity and capability. Connectivity Connectivity Options: None. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 - 7,500 km (3,000 - 5,000 miles) or 6-12 months, whichever comes first (recommendation based on typical use) Air Filter Replacement: Every 15,000 - 20,000 km (9,000 - 12,000 miles) or as needed in dusty conditions. Spark Plug Replacement: Every 20,000 - 30,000 km (12,000 - 18,000...