2009 Buell 1125R - Specifications

Dimensions
Overall Length6 78.6 in. (1996 mm)
Overall Width8 28.2 in. (716 mm)
Seat Height7 30.5 in. (775 mm)
Ground Clearance6 4.50 in. (114 mm)
Rake7 (steering head) 21.0°
Fork Angle7 21.0°
Lean Angle9:
• Soft Contact, Right - 48°
• Soft Contact, Left
• Hard Contact, Right
• Hard Contact, Left
48°
50°
50°
Trail7 3.3 in. (84 mm)
Wheelbase6 54.6 in. (1387 mm)
Tires4 (Pirelli® Diablo® Corsa III):
• Front
• Rear
120/70 ZR-17
180/55 ZR-17
Fuel Capacity 5.30 gal. (20.1 L)
Fuel Economy2
(EPA urban/highway test)
39/53 mpg (6.0/4.4 L/100 km)
Reserve Fuel Capacity 0.8 gal. (3.0 L)
Weight:
• Dry Weight
• Gross Vehicle
Weight Rating
370 lbs. (168 kg)
850 lbs. (386 kg)
Load Capacity 390 lbs. (179 kg)

Engine
Engine Helicon™ liquid-cooled, 4-stroke, 72° V-Twin
Valves Dual OHC, four valves per cylinder, finger follower design and shimming
Bore x Stroke 4.055 in. x 2.658 in.
(103.00 mm x 67.50 mm)
Displacement 68.70 cu. in. (1125 cc)
Compression Ratio 12.3:1
Fuel Delivery Dual 61 mm down draft throttle bodies, DDFI III fuel injection
Intake Zero-resistance airbox, pressurized
RAM air intake
Exhaust Tuned, tri-pass resonance chamber with intregal helmholtz tuning and mass-centralized mounting
Torque
(North America per SAE J607)
82 ft. lbs.  8000 rpm
(111.2 nm  8000 rpm)
Horsepower
(North America per SAE J607)
146 hp 9800 rpm
Lubrication Dry-sump with integrated oil reservoir in lower crankcase
Oil Capacity10 2.7 qts. (2.6 L)
Oil Filtration Disposable cartridge and washable strainer

Drivetrain
Primary Drive Helical Gear, 1.806:1 65/36 ratio
Final Drive3 Constant path, 14 mm pitch aramid-reinforced Veyance Hibrex® belt with Flexten® Plus technology, 2.593:1 (70/27) ratio
Clutch Wet, multi-plate, Hydraulic Vacuum Assist (HVA) slipper – action clutch, hydraulic clutch lever effort Transmission 6-speed, straight cut gears
Gear Ratios:
• 1st
• 2nd
• 3rd
• 4th
• 5th
• 6th
2.462
1.750
1.381
1.174
1.042
0.960

Chassis4
Frame Aluminum frame, fuel in frame Front Forks 47 mm Showa® inverted forks with adjustable compression damping, rebound damping and spring preload Rear Shock Showa® coil-over monoshock with external piggyback reservoir and adjustable compression damping, rebound damping and spring preload
Wheels:
• Front
• Rear
Phantom Metallic or Hero Blue
Translucent (with Arctic White only)
6-spoke, ZTL™ cast aluminum, 3.5 in. x 17 in.
(88.9 mm x 431.8 mm)
6-spoke, cast aluminum, 5.5 in. x 17 in.
(139.7 mm x 431.8 mm)
Brakes:
• Front
• Rear
ZTL²™ brake, 8-piston, 4 pads, fixed caliper, 375 mm single-sided, insideout, stainless steel, floating rotor
Two-piston, direct mount caliper; 240 mm, stainless steel, fixed rotor
Suspension Travel:
• Front Wheel
• Rear Wheel
4.72 in. (120 mm)
5.00 in. (127 mm)

Electric
Battery (per Battery Council International Rating)
Sealed lead acid, maintenance-free, 12V, 12-amp/hour, 200 cca
Charging 37-amp, permanent magnet, three-phase, solid-state regulator (500W 7000 rpm, 500W peak) Starting 900W electric with one-way clutch
Lights (as per country regulation):
• Headlamps
(six-bulb headlamp system with daylight running mode, 35-watt [H8])
• Tail/Stop Lights
• Turn Signal Lights
• License Plate Light
70-watt low beam (two bulbs, 35-watt each), 140-watt high beam (70-watt low beam with two additional bulbs, 35-watt each)
5W/21W
LED manual canceling
5W

Instruments
Instrument cluster with ODIS (Onboard Diagnostic Information System) featuring analog tachometer with integrated shift light, digital speedometer on LED display, odometer, ODIS service code display, 4-digit security system with ignition immobilizer, lap timer (records up to 99 lap times) and splits, ambient air temperature, coolant temperature, average and instantaneous fuel consumption, miles to next service display, low fuel (plus miles traveled on reserve); high beam, neutral, turn signals; clock

Colors
Racing Red and Arctic White (new), Midnight Black