Segment:
Large-displacement naked sportbike/standard motorcycle.
Target Audience:
Riders seeking accessible performance, comfort for commuting and touring, and a platform for customization.
Key Competitors:
Yamaha XJR1200/1300, Kawasaki Zephyr 1100/1200, Honda CB1000SF/CB1300.
Engine Type:
Torquey air-cooled inline-four cylinder engine.
Handling:
Known for its stable chassis and predictable handling.
Versatility:
Adaptable for everyday riding, touring with modifications, and spirited canyon carving.
Simplicity:
Relatively straightforward mechanicals compared to more modern, electronically complex motorcycles.
Engine:
Complete engine overhaul, lubrication, cooling system, cylinder head, pistons, crankshaft, valve train, timing chain, oil pump.
Fuel System:
Carburetor inspection, cleaning, adjustment, fuel pump, fuel lines, fuel tank, petcock.
Ignition System:
Ignition timing, spark plugs, ignition coils, CDI unit, wiring.
Transmission:
Gearbox disassembly and assembly, clutch operation and adjustment, gear shift mechanism, transmission oil.
Chassis And Frame:
Frame inspection, front fork, rear shock absorber, swingarm, steering head bearings.
Brakes:
Front and rear brake caliper service, master cylinders, brake fluid bleeding, brake pad replacement, hydraulic lines.
Electrical System:
Wiring diagrams, battery, charging system (stator, regulator/rectifier), lighting, instrumentation, starter motor.
Exhaust System:
Muffler and exhaust pipe inspection and replacement.
Wheel And Tires:
Wheel bearing service, tire mounting and balancing, spoke adjustment (if applicable).
Bodywork:
Fairing removal and installation, seat, fuel tank mounting, fenders.
Routine Maintenance:
Oil and filter changes, air filter cleaning/replacement, spark plug checks, chain lubrication and adjustment, brake fluid checks.
Troubleshooting:
Diagnostic procedures for common performance issues, electrical faults, and mechanical problems.
Repair And Rebuild:
Detailed step-by-step instructions for component disassembly, cleaning, inspection, repair, and reassembly.
Adjustments:
Carburetor synchronization, clutch and throttle cable adjustment, suspension adjustments.
Specification Charts:
Torque specifications, clearances, fluid capacities, electrical resistance values.
Depth Of Coverage:
Comprehensive, from basic maintenance to complete engine and transmission rebuilds. Suitable for both amateur and professional mechanics.
Diagnostic Capability:
Includes troubleshooting guides for identifying and resolving mechanical and electrical issues.
Special Tools:
Identifies specific tools required for certain procedures where applicable.
Engine Type:
Air-cooled, 4-stroke, DOHC, inline-four cylinder
Displacement:
1157 cc (70.6 cu in)
Bore X Stroke:
79.0 mm x 58.2 mm (3.11 in x 2.29 in)
Horsepower Est:
110-115 HP @ 8000 RPM (approx.)
Torque Est:
95-100 Nm @ 6000 RPM (approx.)
Carburetion:
4 x Mikuni BST36SS constant velocity carburetors
Fuel Capacity:
20 Liters (5.3 US gallons)
Oil Capacity W Filter:
3.9 Liters (4.1 US qt)
Cooling Method:
Air-cooled
Ignition Type:
Digital CDI
Cylinder Block Material:
Aluminum alloy with cast iron liners
Oil Change Interval:
Every 4,000-6,000 km (2,500-3,700 miles) or 6 months, whichever comes first.
Air Filter Service:
Inspect every 4,000 km (2,500 miles), clean or replace as needed.
Spark Plug Replacement:
Inspect every 8,000 km (5,000 miles), replace as needed. Recommended replacement every 16,000 km (10,000 miles).
Chain Maintenance:
Lubricate and adjust chain every 1,000 km (600 miles) or after washing/rain riding.
Valve Clearance Check:
Every 16,000 km (10,000 miles)
Engine Oil Type:
API SG or higher, SAE 10W-40 or 20W-50 (depending on ambient temperature). Check manual for precise recommendations.
Coolant Type:
N/A (Air-cooled engine)
Common Wear Items:
Clutch plates, fork seals, wheel bearings, exhaust system corrosion, carburetor intake boots (cracking).
Electrical Gremlins:
Can experience rectifier/regulator failures, especially on early models. Check battery connections and ground points.
Engine Performance Quirks:
Carburetors can require periodic synchronization and cleaning for optimal performance. Some owners report slightly snatchy throttle response off idle.
Frame Cracks:
Rare, but inspection of frame welds, especially around the steering head, is advisable on high-mileage bikes.
Oil Filter Part Number Example:
Suzuki 16510-03G00-000 (or equivalent aftermarket, e.g., HF133/HF303)
Air Filter Part Number Example:
Suzuki 13781-34E00-000 (or equivalent aftermarket)