Segment:
Retro-styled scooter, iconic Indian two-wheeler.
Key Competitors Past:
Honda Activa, TVS Scooty Pep, Hero Pleasure.
Design Philosophy:
Emphasizes classic styling with modern mechanicals (in newer iterations).
Target Audience:
Commuters seeking reliability, style, and ease of use.
Engine Overhaul:
Complete disassembly, inspection, repair, and reassembly procedures for the 4-stroke engine.
Fuel System:
Carburetor inspection, cleaning, adjustment, and overhaul; fuel pump and filter servicing.
Ignition System:
Spark plug selection and replacement, ignition coil testing, CDI unit diagnostics.
Transmission Clutch:
Automatic transmission (CVT) servicing, clutch plate inspection and replacement, gearbox lubrication.
Chassis Frame:
Frame inspection for damage, welding repairs, body panel alignment.
Suspension System:
Front fork servicing, rear shock absorber inspection and replacement, linkage maintenance.
Braking System:
Drum brake and disc brake servicing, brake pad/shoe replacement, fluid bleeding procedures.
Electrical System:
Wiring diagrams, battery maintenance, lighting system troubleshooting, starter motor and charging system checks.
Cooling System:
If applicable (though Bajaj Chetak is typically air-cooled, this covers potential variants or systems).
Wheels Tires:
Tire pressure checks, wheel bearing maintenance, tire replacement, rim alignment.
Routine Maintenance:
Oil changes, filter replacements, spark plug checks, chain lubrication (if applicable).
Troubleshooting:
Diagnostic flowcharts for common running problems, electrical faults, and starting issues.
Repair Procedures:
Step-by-step guides for component removal, replacement, and adjustment.
Assembly Disassembly:
Detailed instructions for complete vehicle teardown and reassembly.
Torque Specifications:
Precise torque values for critical fasteners throughout the vehicle.
Diagnostic Capabilities:
Covers basic diagnostic checks and troubleshooting of mechanical and electrical systems.
Rebuild Instructions:
Detailed instructions for engine, transmission, and other major component rebuilds.
Specification Data:
Includes essential technical data like clearances, tolerances, and fluid capacities.
Digital Format:
PDF (Portable Document Format)
Print Readability:
High-resolution diagrams and clear text for easy interpretation on screen or print.
Physical Format:
N/A (if digital) or typically stapled/bound for printed versions.
Physical Format:
N/A (if digital) or typically standard paper for printed versions.
Engine Type:
Single-cylinder, 4-stroke, forced air-cooled
Displacement:
Typically 109.51 cc (for modern BS6 versions) or earlier versions may vary (e.g., 150cc for older models).
Horsepower:
Approx. 7.94 PS @ 7000 rpm (for BS6 model); older models may differ.
Torque:
Approx. 8.8 Nm @ 5500 rpm (for BS6 model); older models may differ.
Fuel Delivery:
Fuel Injection (FI) for BS6 compliant models; Carburetor for older generations.
Recommended Grade:
API SL, JASO MA 10W-30 (Consult manual for exact specification and quantity).
Length:
Approx. 1770 mm (for BS6 model); varies by generation.
Width:
Approx. 685 mm (for BS6 model); varies by generation.
Height:
Approx. 1140 mm (for BS6 model); varies by generation.
Kerb Weight:
Approx. 121 kg (for BS6 model); varies by generation.
Ground Clearance:
Approx. 165 mm (for BS6 model); varies by generation.
Seat Height:
Approx. 760 mm (for BS6 model); varies by generation.
Wheelbase:
Approx. 1255 mm (for BS6 model); varies by generation.
Instrument Cluster:
Digital instrument cluster with basic readouts (speed, fuel, odometer) on modern versions.
ABS:
Anti-lock Braking System (available on select variants/generations).
Usb Charging:
May be available as an accessory or integrated feature on some models.
Engine Oil Change:
Every 3,000-4,000 km or 6 months, whichever comes first (Refer to manual for exact interval).
Air Filter Cleaning:
Every 1,500-2,000 km; replacement as needed (Refer to manual).
Spark Plug Check:
Every 3,000-5,000 km (Refer to manual for replacement interval and gap).
Gear Oil:
Refer to manual for type and capacity (typically manual gearboxes have separate oil, but CVT may not).
Brake Fluid:
DOT 3 or DOT 4 (Consult manual for specific type and bleeding procedure).
Common Problems:
Varies by generation; early models might experience carburetor tuning issues, electrical component wear. Modern versions are generally reliable.
Typical Wear Items:
Brake pads/shoes, tires, drive belt (CVT), spark plug.
Manufacturer:
Bajaj Auto Ltd., an Indian multinational automotive manufacturing company.
Original Launch:
The original Bajaj Chetak was launched in 1972, based on the Vespa GS150.
Modern Relaunch:
The Chetak was revived and relaunched in 2020 as an electric scooter, and later as a petrol scooter with a 4-stroke engine.
Manufacturing Origin:
India
