Market Segment:
Cruiser / Power Cruiser
Target Audience:
Riders seeking a powerful, stylish, and distinctive cruiser with a focus on performance and customizability.
Key Competitors:
Harley-Davidson V-Rod, Yamaha V-Star 1300/1700, Honda VTX1300/1800, Kawasaki Vulcan 900/1700.
Engine Type:
V-twin, liquid-cooled, SOHC, 4 valves per cylinder
Design Philosophy:
Sportbike-inspired styling blended with cruiser comfort and muscle, emphasizing performance and aggressive aesthetics.
Systems Covered:
Engine, Fuel System, Ignition System, Transmission, Drivetrain, Chassis, Suspension, Brakes, Electrical System, Lighting, Instrumentation, Bodywork, Maintenance, Troubleshooting, Specifications, Wiring Diagrams
Total Pages:
Approx. 500+
Type:
Factory Service Manual / Repair Manual
Engine Mechanical:
Detailed disassembly, inspection, repair, and reassembly of the V-twin engine, including cylinder heads, pistons, crankshaft, connecting rods, camshafts, valves, and timing components.
Fuel System:
EFI system diagnosis, fuel pump, injectors, throttle body, fuel pressure regulator, and fuel tank servicing.
Ignition System:
Spark plugs, ignition coils, ECU control, and timing adjustments.
Transmission Drivetrain:
Clutch operation, gearbox servicing, final drive shaft, universal joint, and bearing maintenance.
Chassis Suspension:
Frame inspection, front fork servicing (including oil changes and seal replacement), rear shock absorber adjustment and replacement, steering bearing maintenance.
Brakes:
Front and rear brake system diagnosis, hydraulic system bleeding, brake pad and disc replacement, caliper servicing.
Electrical System:
Battery, charging system (stator, regulator/rectifier), starting system (starter motor), lighting system, horn, and all electrical component testing and troubleshooting.
Wiring Diagrams:
Comprehensive color-coded wiring diagrams for all electrical circuits.
Routine Maintenance:
Oil changes, filter replacements, spark plug service, chain adjustment (if applicable), brake fluid checks, coolant checks, and tire pressure checks.
Troubleshooting:
Diagnostic procedures for common issues, including starting problems, engine performance issues, electrical faults, and braking system malfunctions, often with flowcharts.
Major Repairs:
Detailed step-by-step instructions for major component overhauls and repairs, such as engine rebuilds, transmission overhauls, and suspension component replacement.
Component Disassembly Reassembly:
Precise instructions for removing, inspecting, repairing, and reinstalling virtually every part of the motorcycle.
Specifications Settings:
Torque specifications for all fasteners, valve clearances, ignition timing, idle speed settings, and other critical adjustments.
Depth:
Comprehensive, covering everything from basic rider maintenance to full engine and transmission rebuilds. Suitable for professional mechanics and advanced DIY enthusiasts.
Engine Type:
1783cc (109 cubic inch) V-twin
Bore X Stroke:
112.0 mm x 90.5 mm
Compression Ratio:
12.3:1
Valve Train:
SOHC, 4 valves per cylinder, pushrod actuated
Cooling System:
Liquid-cooled with fan assist
Horsepower Estimated:
Approx. 125 HP @ 6,000 RPM
Torque Estimated:
Approx. 114 lb-ft @ 3,000 RPM
Fuel Delivery:
Electronic Fuel Injection (EFI) with dual throttle valves (SDTV - Suzuki Dual Throttle Valve)
Fuel Type:
Unleaded gasoline, 91 octane (or higher) recommended
Fuel Tank Capacity:
4.4 US gallons (16.5 Liters)
Oil Type:
Suzuki recommends SAE 10W-40 API SG, SF or SH motor oil
Oil Capacity W Filter:
Approx. 4.0 US quarts (3.8 Liters)
Crash Test Ratings:
Motorcycle safety is not rated by typical automotive bodies like NHTSA or IIHS. Focus is on rider protection and motorcycle engineering integrity.
Braking System:
Dual front hydraulic disc brakes, Single rear hydraulic disc brake. Optional ABS was available on some models/markets.
Lighting:
Halogen headlight, LED taillight, standard turn signals.
Frame Construction:
High-tensile steel frame and cast aluminum rear frame.
Instrumentation:
Digital speedometer, analog tachometer, gear position indicator, fuel gauge, clock, odometer, trip meters, indicator lights. Located on handlebars and integrated into the headlight cowl.
ABS:
Available as an option on select models/markets. Not standard on all 2008 VZR1800/M109R models.
Connectivity Features:
None (This is a 2008 motorcycle; no Bluetooth, smartphone integration, etc.)
First Service:
Typically 600 miles (1,000 km) or 1 month for initial break-in service (oil change, filter, inspection).
Major Service Intervals:
12,000 miles (20,000 km) for major checks, including valve clearance adjustments, spark plug replacement, and extensive inspections. Specific intervals are listed in the manual.
Engine Oil:
SAE 10W-40 API SG, SF or SH
Cooling System:
Suzuki Super Long Life Coolant or equivalent, 50/50 mix with distilled water.
Final Drive Oil:
API GL-4 SAE 80W gear oil
Common Wear Items:
Brake pads, tires, clutch plates, and throttle cables are typical wear items.
Potential Issues:
Some owners have reported occasional issues with the regulator/rectifier under heavy electrical load or extended high-temperature operation. The manual provides diagnostic procedures for these.
Manufacturer:
Suzuki Motor Corporation, Japan
Introduction Year:
Originally introduced as the VZR1800 in Europe/Australia and Boulevard M109R in North America in 2006.
Key Updates By Year:
2008 saw minor cosmetic updates and potentially some ECU tuning or component refinements common for mid-cycle updates. Specific model year changes are detailed in the manual.
Manufacturing Location:
Likely Hamamatsu, Japan or other Suzuki global facilities.
Production Lifespan:
Produced from 2006 to 2019 with various iterations and sub-models (e.g., M109R, M109R BOSS, M109R B.O.S.S.).
