Market Segment:
Cruiser, Power Cruiser
Target Customer:
Riders seeking a large-displacement, V-twin cruiser with strong performance and distinctive styling.
Key Competitors 2006 2009:
Harley-Davidson V-Rod, Honda VTX1800, Yamaha Road Star Warrior, Kawasaki Vulcan 2000
Defining Characteristics:
Massive 1800cc V-twin engine, shaft drive, aggressive styling, powerful acceleration.
Engine Configuration:
Largest production V-twin engine in a motorcycle at its introduction.
Design Philosophy:
Blend of classic cruiser aesthetics with modern performance engineering.
Engine:
Disassembly, assembly, inspection, troubleshooting, performance tuning, component replacement
Fuel System:
Fuel injection system (SDTV), fuel pump, injectors, throttle body, fuel pressure regulation
Cooling System:
Radiator, water pump, thermostat, coolant flow, fan operation
Ignition System:
ECU control, spark plugs, ignition coils, timing
Transmission:
Clutch operation, gear shifting mechanism, gearbox disassembly and assembly
Drivetrain:
Shaft drive system, final drive unit, universal joints, maintenance
Brakes:
Hydraulic system, brake calipers, master cylinders, brake fluid type, bleeding procedures, disc and pad replacement
Suspension:
Front telescopic forks (including preload adjustment), rear swingarm, shock absorbers, linkage maintenance
Steering:
Handlebar assembly, steering head bearings, lubrication, adjustment
Electrical System:
Battery, charging system (alternator, regulator/rectifier), starter motor, lighting, horn, wiring diagrams, ECU diagnostics
Frame And Bodywork:
Frame structure, body panels, fuel tank, seat, fenders, fairings, mounting hardware
Wheels And Tires:
Wheel bearing inspection, tire pressure, tire replacement, wheel balancing
Exhaust System:
Mufflers, headpipes, catalytic converter (if applicable), gasket replacement
Preventative Maintenance:
Oil changes, filter replacements, lubrication points, chain adjustment (if applicable to final drive), bolt torque checks
Troubleshooting Guides:
Diagnostic flowcharts, symptom-based troubleshooting, fault code interpretation
Repair Procedures:
Step-by-step instructions for component removal, repair, and reinstallation
Diagnostic Procedures:
ECU diagnostic connector usage, sensor testing, actuator testing
Component Rebuilds:
Engine internal component reassembly, gearbox overhauls
Electrical Diagnostics:
Continuity testing, voltage checks, wiring harness inspection
Depth Of Coverage:
Comprehensive; covers everything from basic maintenance to complete engine and transmission rebuilds, including advanced diagnostics.
Target Audience:
Professional motorcycle technicians and skilled DIY enthusiasts.
Engine Type:
Liquid-cooled, 4-stroke, V-twin
Displacement:
1783 cc (108.8 cubic inches)
Bore X Stroke:
112.0 mm x 90.5 mm
Compression Ratio:
11.5:1
Valve Train:
SOHC, 4 valves per cylinder (2 intake, 2 exhaust)
Horsepower Rating:
Approximately 125 hp @ 6200 rpm (claimed)
Torque Rating:
Approximately 118 lb-ft @ 3200 rpm (claimed)
Fuel Delivery:
Electronic Fuel Injection (EFI) with Dual Spark Throttle Valve (SDTV) system
Fuel Type:
Unleaded gasoline, minimum 91 octane (RON+MON)/95 RON recommended
Oil Type:
SAE 10W-40 API SG or higher, JASO MA certified synthetic or semi-synthetic motorcycle oil.
Oil Capacity With Filter Change:
4.0 L (4.2 US qt)
Oil Capacity Without Filter Change:
3.6 L (3.8 US qt)
Coolant Type:
Suzuki Long Life Coolant (SLLC) or equivalent ethylene glycol-based coolant with anti-corrosion additives.
Coolant Capacity:
2.6 L (2.7 US qt)
Engine Oil Change Interval:
Every 6,000 km (3,700 miles) or 12 months, whichever comes first.
Oil Filter Replacement Interval:
At every engine oil change.
Spark Plug Replacement Interval:
Every 12,000 km (7,500 miles) or 24 months.
Air Filter Inspection Interval:
Every 6,000 km (3,700 miles) or 12 months.
Brake Fluid Change Interval:
Every 24,000 km (15,000 miles) or 24 months, whichever comes first.
Coolant Change Interval:
Every 24,000 km (15,000 miles) or 24 months, whichever comes first.
Steering Head Bearing Lubrication:
Every 12,000 km (7,500 miles) or 24 months.
Final Drive Gear Oil:
Suzuki Gear Oil API GL-5, SAE 80W-90
Final Drive Gear Oil Capacity:
180 ml (0.19 US qt)
Front Fork Oil Type:
Suzuki Fork Oil SAE 10W or equivalent
Front Fork Oil Capacity Per Leg:
550 ml (0.58 US qt)
Common Wear Items:
Brake pads, clutch plates, tires, spark plugs, fork seals (depending on mileage and riding conditions).
Potential Recalls Or Service Campaigns:
Refer to official Suzuki service bulletins and recalls for specific model year issues. Common areas can include electrical connectors or minor engine component adjustments.
Suzuki Motorcycle Legacy:
Suzuki has a long-standing reputation for producing reliable and performance-oriented motorcycles across various segments, including sportbikes, cruisers, and off-road machines.
M109 Introduction:
Introduced in 2006 as the VZR1800 Boulevard (Intruder M109R in some markets), it was designed to compete in the powerful cruiser segment with a focus on high performance and distinctive styling.
M109R Variants:
Over its production run, the M109R saw variations like the M109R Limited, M109RT (Tourer edition with fairing and saddlebags), and styling updates.
Manufacturing Location:
Japan (Primary manufacturing)
Production Years Covered By Manual:
2006, 2007, 2008, 2009
Industry Awards:
While specific 'awards' are rare for individual motorcycle models in the same way as cars, the M109R was widely recognized for its styling, power, and performance in cruiser segment comparisons by major motorcycle publications.
Motorcycle Publication Reviews:
Consistently received high marks for its engine torque, acceleration, and striking design from leading motorcycle magazines like Cycle World, Motorcyclist, and Rider Magazine.
Emissions Standards:
Compliant with relevant emissions standards for the model year and market of sale (e.g., EPA in the US, Euro III in Europe).
