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2008 Suzuki Boulevard C109RT Overview
The 2008 Suzuki Boulevard C109RT is a custom / cruiser motorcycle built around 1786 cc of displacement. Under the tank sits a Four stroke, 54° V-Twin engine, a compression ratio of 10.5:1. 2008 Suzuki Boulevard C109RT delivers 92 kW @ 6200 rpm of peak power and 160 Nm @ 3200 rpm of torque. From a practical standpoint, the 2008 Boulevard C109RT tips the scales at 408 kg, carries a 19 L fuel tank, offers a seat height of 705 mm and spans a 1755 mm wheelbase. That's roughly 107.4 kg heavier than the average custom / cruiser motorcycle in our database. Scroll down for the complete 2008 Suzuki Boulevard C109RT spec sheet covering every technical detail from suspension travel to tyre sizes.
2008 Boulevard C109RT - Pros & Cons
Strengths
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Strong power output: 2008 Suzuki Boulevard C109RT makes 92 kW @ 6200 rpm with 160 Nm @ 3200 rpm of torque - competitive figures for its class.
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Fuel injection: The fuel injection system delivers crisp throttle response and reliable cold starts regardless of altitude or temperature.
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Accessible seat height: At 705 mm, the seat height is approachable for a wide range of rider heights and builds confidence in low-speed manoeuvring.
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Large fuel range: The 19 L tank is generously sized, translating to extended range between stops - ideal for touring or longer commutes.
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Low-maintenance final drive: Shaft final drive means no chain to clean, lube or adjust - meaningfully less routine maintenance than a chain-driven equivalent.
Considerations
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Age-related wear: As with any used Boulevard C109RT, a thorough pre-purchase inspection covering consumables, service history and tyres is always recommended.
Wear Points & Servicing Notes
Cooling system servicing
The Liquid cooled system on the Boulevard C109RT needs a coolant change roughly every two years (or per the service schedule) - skipping it lets the coolant turn acidic and corrode the aluminium water passages over time.
Fuelling & injector care
Fuelling comes from fuel injection. Systems like this are largely maintenance-free beyond keeping fuel quality decent and injectors clear - a fuel-system cleaner every service interval is cheap insurance.
Brake disc and pad wear
The 2 x 310 mm discs, 2 piston calipers front brake gives strong, progressive stopping power. Disc thickness and pad depth are worth checking at every tyre change, since worn pads can score the disc surface.
Suspension condition on used examples
Up front, the Boulevard C109RT runs Telescopic, coil spring, oil damped and Link type, coil spring, oil damped, adjustable spring preload at the rear. On a used example, check fork seals for weeping oil and test the rear linkage for play - seals are a relatively cheap fix but useful when negotiating price.
Final drive maintenance
Final drive is by shaft - no chain or belt maintenance at all, though the drive-shaft oil should be changed on the manufacturer's interval.
Handling the weight at a standstill
At 408 kg, the Boulevard C109RT is a substantial machine - low-speed manoeuvring in car parks takes more physical effort than on a lighter bike, though the weight disappears once rolling.
Boulevard C109RT - Buying & Maintenance Guide
What to check before buying
When inspecting a used 2008 Suzuki Boulevard C109RT, start with the basics: check the service book for oil change frequency, inspect the chain and sprockets for wear, and look for oil seepage around the engine casings and rocker covers. A cold start test is invaluable - a well-maintained Boulevard C109RT should fire up cleanly and settle to a smooth idle within a few seconds.
Oil and filter changes
Regular oil changes are the single most important maintenance task on any Boulevard C109RT. Stick to the manufacturer's interval - typically every 6,000 km or once a year, whichever comes first. Always use the correct viscosity grade as specified in the owner's manual.
Carburetor upkeep
Keep the carburetors clean and free of deposits. If the Boulevard C109RT has been stored, strip and clean the carb float bowls before attempting to start it. Pilot jets are the first to block and the last to be checked - always include them in any carb rebuild.
2008 Suzuki Boulevard C109RT - Frequently Asked Questions
What engine does the 2008 Suzuki Boulevard C109RT have?
The 2008 Suzuki Boulevard C109RT uses a Four stroke, 54° V-Twin engine with 1786 cc of displacement. It is liquid cooled.
How much does the 2008 Suzuki Boulevard C109RT weigh?
The 2008 Suzuki Boulevard C109RT weighs 408 kg. This is the manufacturer's wet figure.
How much power does the 2008 Suzuki Boulevard C109RT make?
The 2008 Suzuki Boulevard C109RT produces 92 kW @ 6200 rpm of power and 160 Nm @ 3200 rpm of torque. These are peak figures.
What is the fuel tank capacity of the 2008 Suzuki Boulevard C109RT?
The 2008 Suzuki Boulevard C109RT has a 19 L fuel tank. At around 5-6 litres per 100 km, that is roughly 316-380 km between stops.
Is the 2008 Suzuki Boulevard C109RT suitable for shorter riders?
The 2008 Suzuki Boulevard C109RT has a seat height of 705 mm. This is a comfortable, accessible height for most riders.
What brakes does the 2008 Suzuki Boulevard C109RT have?
The 2008 Suzuki Boulevard C109RT uses 2 x 310 mm discs, 2 piston calipers at the front and Single 274mm disc, 2 piston caliper at the rear.
What tyre sizes does the 2008 Suzuki Boulevard C109RT use?
The 2008 Suzuki Boulevard C109RT runs 150/80R16 front and 240/55R16 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.
What gearbox does the 2008 Suzuki Boulevard C109RT have?
The 2008 Suzuki Boulevard C109RT is fitted with a 5 Speed transmission.
Suzuki Boulevard C109RT Spec Evolution
The Suzuki Boulevard C109RT was produced across 3 model years (2009-2016). The table below highlights the key specifications that changed across the production run - useful whether you are comparing years or tracking down a specific variant.
| Specification |
2009 |
2012 |
2016 |
| Engine Detail |
Four stroke, 54° V-Twin |
Four stroke, 54° V-Twin |
Four stroke, 54° V-Twin, four valves per cylinder |
| Brakes - Front |
2 x 310 mm discs, 2 piston calipers |
2 x 310 mm discs, 3 piston calipers |
2 x 290 mm discs, 2 piston calipers |
| Brakes - Rear |
Single 274mm disc, 2 piston caliper |
Single 274mm disc, 2 piston caliper |
Single 275mm disc, 2 piston Tokico caliper |
| Suspension - Front |
Telescopic, coil spring, oil damped |
Telescopic, coil spring, oil damped, 49 mm |
Telescopic, coil spring, oil damped, 49 mm, Showa |
| Suspension - Rear |
Link type, coil spring, oil damped, adjustable spring preload |
Link type, coil spring, oil damped, adjustable spring preload |
Showa mono shock, 7 position adjustable preload |
Key Specifications
Engine
Four stroke, 54° V-Twin
Power
92 kW / 123 hp @ 6200 rpm
Torque
160 Nm / 16.3 kgf-m / 118 lb.ft @ 3200 rpm
Top Speed
Not published by manufacturer
Fuel Capacity
19 L / 5.0 US gal
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Full 2008 Suzuki Boulevard C109RT Specifications
Year
2008-09
Make Model
Suzuki Boulevard C109RT
Seat Height
705 mm / 27.7 in
Wheelbase
1755 mm / 68.3 in
Ground Clearance
135 mm / 5.3 in
Length
2580 mm / 101.5 in
Width
985 mm / 38.7 in
Fuel Capacity
19 L / 5.0 US gal
Wet Weight
408 kg / 900 lbs
Displacement
1786 cc / 108.8 cu. in
Engine Detail
Four stroke, 54° V-Twin
Bore x Stroke
112 x 90.5mm
Compression Ratio
10.5:1
Cooling System
Liquid cooled
Fuel Induction
EFI, 2 x 56 mm throttle bodies
Ignition
Electronic ignition (Transistorised)
Lubrication
Semi-dry sump
Starter
Electric
Clutch
Wet multi-plate type
Final Drive
Shaft
Transmission / Drive
5 Speed
Suspension - Front
Telescopic, coil spring, oil damped
Suspension - Rear
Link type, coil spring, oil damped, adjustable spring preload
Brakes - Front
2 x 310 mm discs, 2 piston calipers
Brakes - Rear
Single 274mm disc, 2 piston caliper
Tyres - Front
150/80R16
Tyres - Rear
240/55R16
Specifications are compiled from manufacturer documentation and cross-referenced
technical sources, and corrected on an ongoing basis.
Spot an error? Let us know.
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