Market Segment:
Cruiser Motorcycle
Target Audience:
Suzuki Boulevard C109R owners, DIY mechanics, and professional motorcycle technicians.
Comparable Models:
Honda VTX1800, Yamaha Raider, Kawasaki Vulcan 1700 Vaquero, Harley-Davidson Softail models.
Vehicle Highlights:
Torquey 1783cc V-twin engine, shaft drive, classic cruiser styling, comfortable riding position.
Engine System:
Detailed disassembly, assembly, inspection, and repair procedures for the 1783cc V-twin engine, including valve timing, compression testing, and component clearances.
Fuel System:
Comprehensive coverage of the fuel injection system, including fuel pump, injectors, throttle body, sensors (TPS, MAP, IAT), and troubleshooting.
Ignition System:
Ignition coil specifications, spark plug selection, timing adjustments (if applicable), and diagnostic procedures for the electronic ignition system.
Transmission And Drivetrain:
Clutch operation, gearbox inspection and repair, shaft drive system maintenance, and fluid recommendations.
Brake System:
Front and rear brake caliper overhaul, brake fluid replacement (DOT 4), master cylinder service, and hydraulic system bleeding procedures.
Suspension And Steering:
Front fork (telescopic) and rear suspension (swingarm, shock absorber) service, oil levels, seal replacement, and steering head bearing maintenance.
Electrical System:
Wiring diagrams, lighting system, battery specifications (YTX20L-BS), charging system (stator, regulator/rectifier), starter motor, and ECU diagnostics.
Cooling System:
Radiator, fan, thermostat, and coolant specifications (Suzuki Super Long Life Coolant or equivalent ethylene glycol-based).
Exhaust System:
Component identification, gasket replacement, and torque specifications.
Body And Frame:
Panel removal and installation, seat adjustment, and frame inspection.
Scheduled Maintenance:
Detailed breakdown of maintenance tasks by mileage or time intervals, including oil changes, filter replacements, and inspections.
Troubleshooting:
Systematic diagnostic charts and fault code explanations for common issues.
Engine Rebuild:
Step-by-step instructions for complete engine disassembly, component replacement, and reassembly.
Electrical Diagnostics:
Instructions for using multimeters and diagnostic tools to identify electrical faults.
Suspension Service:
Fork seal replacement, rear shock adjustment, and linkage maintenance.
Brake System Service:
Fluid bleeding, pad replacement, and caliper servicing.
Depth Level:
Comprehensive: Covers everything from basic maintenance and fluid changes to advanced engine diagnostics, transmission rebuilds, and complete electrical system troubleshooting.
File Format Details:
PDF; high-resolution scans of original factory manual pages, searchable text, bookmark navigation.
Print Quality Description:
High-resolution, clear black and white diagrams and text, suitable for printing.
Binding Type Description:
N/A (Digital PDF format)
Paper Type Description:
N/A (Digital PDF format)
Engine Type:
Four-stroke, V-twin, liquid-cooled, OHC, 8-valve
Displacement:
1783 cc (108.8 cu. in.)
Bore X Stroke:
112.0 mm x 90.5 mm
Valve Train:
SOHC, 4 valves per cylinder
Horsepower Estimate:
Approx. 114 HP @ 6,000 RPM (crank)
Torque Estimate:
Approx. 115 lb-ft @ 3,200 RPM (crank)
Fuel Delivery:
Fuel Injection, Suzuki Dual Throttle Valve (SDTV)
Fuel Type:
Unleaded gasoline, Octane rating 87 or higher
Engine Oil Capacity With Filter:
4.0 L (4.2 US qt)
Engine Oil Type:
SAE 10W-40, API SG or higher, JASO MA certified motorcycle oil
Crash Safety Ratings:
N/A (Motorcycles are not typically rated by automotive safety organizations like NHTSA or IIHS)
Braking System:
Dual front disc brakes, Single rear disc brake. Some models may offer ABS (Anti-lock Braking System).
Lighting:
Halogen headlight, LED taillight, turn signals.
Chassis Design:
Rigid frame design for stability.
Infotainment System:
N/A (Basic motorcycle instrumentation)
Instrumentation:
Analog speedometer, digital tachometer, fuel gauge, clock, gear position indicator (on some models), various indicator lamps.
Driver Assistance Features:
Optional ABS (Anti-lock Braking System) available on certain model years/trims.
First Service Mileage:
600 miles (1,000 km)
Subsequent Service Intervals:
Every 3,700 miles (6,000 km) or 6 months, whichever comes first.
Major Component Checks:
Valve clearance check/adjustment recommended every 14,900 miles (24,000 km).
Engine Oil Grade:
SAE 10W-40, API SG or higher, JASO MA certified
Coolant Type:
Suzuki Super Long Life Coolant or equivalent ethylene glycol-based coolant (50/50 mix with distilled water)
Transmission Oil Grade:
API GL-5 Gear Oil
Common Wear Items:
Brake pads, tires, clutch plates (depending on usage), spark plugs.
Potential Faults:
Some owners report occasional issues with the regulator/rectifier under heavy electrical load; sensor failures in the fuel injection system can occur over time.
Manufacturer:
Suzuki Motor Corporation
Predecessor Lineage:
Suzuki's Boulevard lineup evolved from earlier cruiser models, with the C109R being a significant iteration building on the M109R platform, featuring more classic styling.
Key Technological Advancements:
Introduction of the 109 cubic inch (1783cc) V-twin engine, Suzuki Dual Throttle Valve (SDTV) fuel injection, and shaft drive.
Production Period:
2008-2012 (for this specific manual's coverage)
Manufacturing Location:
Japan (primary assembly and engine production likely in Japan, final assembly may vary by market)
