2010 Harley-Davidson FLSTF Fat Boy vs 2011 Suzuki Boulevard C109R

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles

Differences only

2010 Harley-Davidson FLSTF Fat Boy

Engine

Four stroke, Twin Cam 96BTM Valves Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters; two valves per cylinder

Power

N/A

Top Speed

N/A

Weight

329.0 kg / 725 lbs

2011 Suzuki Boulevard C109R

Custom / cruiser

Engine

Four stroke, 54° V-Twin

Power

92 kW / 123 hp @ 6200 rpm

Top Speed

N/A

Weight

380 kg / 837.7 lbs

Full Specifications

Differs Same

General
Year	2010	2010 - 11
Make Model	Harley Davidson FLSTF Fat Boy	Suzuki Boulevard C109R
Dimensions
Seat Height	Laden 635 mm / 25.0 in Unladen 690 mm / 27.1 in	705 mm / 27.7 in
Wheelbase	1715 mm / 67.5 in	1755 mm / 68.3 in
Ground Clearance	-	135 mm / 5.3 in
Length	2445 mm / 96.2 in	2580 mm / 101.5 in
Width	-	985 mm / 38.7 in
Weights & Capacities
Fuel Capacity	18.9 Litres / 5.0 gal	19 L / 5.0 US gal
Maximum Load / GVWR	526.0 kg / 1160 lbs	-
Wet Weight	329.0 kg / 725 lbs	380 kg / 837.7 lbs
Performance
Max Power	-	92 kW / 123 hp @ 6200 rpm
Max Torque	124.7 Nm / 92 ft. lbs @ 3000 rpm	160 Nm / 16.3 kgf-m / 118 lb.ft @ 3200 rpm
Engine
Displacement	1584 cc / 96 cu-in	1786 cc / 108.8 cu. in
Engine Detail	Four stroke, Twin Cam 96BTM Valves Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters; two valves per cylinder	Four stroke, 54° V-Twin
Bore x Stroke	95.25 x 111.25 mm	112 X 90.5mm
Compression Ratio	9.2:1	10.5:1
Cooling System	Air cooled	Liquid cooled
Fuel Induction	Electronic Sequential Port Fuel Injection (ESPFI)	EFI, 2 x 56 mm throttle bodies
Ignition	Single-fire, non-wasted, map-controlled spark ignition	Electronic ignition (Transistorised)
Lubrication	-	Semi-dry sump
Starter	Electric	Electric
Drivetrain
Clutch	Multi-plate, wet	Wet multi-plate type
Final Drive	Belt	Shaft
Gear Ratios	1st 9.311 / 2nd 6.454 / 3rd 4.793 / 4th 3.882 / 5th 3.307 / 6th 2.790	-
Transmission / Drive	6 Speed	5 Speed
Chassis
Frame Type	Mild steel, tubular frame; rectangular section backbone; stamped, cast and forged junctions, forged fender supports; MIG welded	-
Suspension - Front	41.3 mm telescopic, chrome dust covers	Telescopic, coil spring, oil damped
Suspension - Rear	Hidden, horizontal-mounted, coil-over shock	Link type, coil spring, oil damped, adjustable spring preload
Rake	31.6°	-
Trail	147 mm / 5.7 in	-
Wheels & Brakes
Brakes - Front	Single 292mm disc 4 piston caliper	2 x 310 mm discs, 2 piston calipers
Brakes - Rear	Single 292mm disc 4 piston caliper	Single 274mm disc, 2 piston caliper
Tyres - Front	140/75R17	150/80R16
Tyres - Rear	200/55R17	240/55R16

Verdict

Winner on specs

2011 Suzuki Boulevard C109R

The 2011 Suzuki Boulevard C109R edges out the 2010 Harley-Davidson FLSTF Fat Boy thanks to its liquid cooling, dual front discs and larger displacement. Specifications are one part of the picture - dealer support, parts availability, and intended use all matter too.

Key Differences

2010 Harley-Davidson FLSTF Fat Boy - Advantages

Lower seat height: Laden 635 mm vs 705 mm - accessible to a wider range of rider heights.

2011 Suzuki Boulevard C109R - Advantages

Liquid cooling: Consistent engine temperature in stop-start traffic and hot climates.
Dual front discs: Greater stopping power and better heat management under hard braking.
Larger displacement: 1786 cc vs 1584 cc - more cubic capacity means broader torque delivery and greater low-end pull.

2010 Harley-Davidson FLSTF Fat Boy vs 2011 Suzuki Boulevard C109R - FAQs

What are the engine differences between the 2010 Harley-Davidson FLSTF Fat Boy and 2011 Suzuki Boulevard C109R?

The 2010 Harley-Davidson FLSTF Fat Boy uses Four stroke, Twin Cam 96BTM Valves Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters; two valves per cylinder, while the 2011 Suzuki Boulevard C109R is powered by Four stroke, 54° V-Twin.

Which bike is better for shorter riders, the 2010 Harley-Davidson FLSTF Fat Boy or the 2011 Suzuki Boulevard C109R?

The 2010 Harley-Davidson FLSTF Fat Boy has the lower seat at Laden 635 mm, making it more accessible. The 2011 Suzuki Boulevard C109R sits higher at 705 mm. A seat height below 800 mm suits most riders; above 820 mm shorter riders may need to tiptoe.

Which should I buy, the 2010 Harley-Davidson FLSTF Fat Boy or the 2011 Suzuki Boulevard C109R?

Both are strong choices. The 2010 Harley-Davidson FLSTF Fat Boy has the edge in lower seat height, while the 2011 Suzuki Boulevard C109R stands out for liquid cooling and dual front discs. Visit dealers, arrange test rides, and factor in local parts and service costs - these often matter as much as the spec sheet.

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