2009 Buell 1125R Specifications

Name: 2009 Buell 1125R
Brand: Buell

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2009 Buell 1125R Overview

The 2009 Buell 1125R is a sport motorcycle built around 1125 cc of displacement. Under the tank sits a Four stroke, 72° V-Twin engine, a compression ratio of 12.3:1. 2009 Buell 1125R delivers 109 kW @ 9800 rpm of peak power and 111 Nm of torque. The factory-quoted top speed stands at 243 km/h, making it a capable performer in its class. From a practical standpoint, the 2009 1125R tips the scales at 170 kg, carries a 21.2 L fuel tank, offers a seat height of 775 mm and spans a 1384 mm wheelbase. Scroll down for the complete 2009 Buell 1125R spec sheet covering every technical detail from suspension travel to tyre sizes.

2009 1125R - Pros & Cons

Strengths

Strong power output: 2009 Buell 1125R makes 109 kW @ 9800 rpm with 111 Nm of torque - competitive figures for its class.

Considerations

Age-related wear: As with any used 1125R, a thorough pre-purchase inspection covering consumables, service history and tyres is always recommended.

Owner Experiences & Common Issues

General ownership notes

The 2009 Buell 1125R has built a reputation for solid everyday reliability when serviced to schedule. As with any motorcycle of this era, documented service history is the single biggest indicator of long-term reliability when buying used.

1125R - Buying & Maintenance Guide

What to check before buying

When inspecting a used 2009 Buell 1125R, 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 1125R 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 1125R. 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.

2009 Buell 1125R - Frequently Asked Questions

What engine does the 2009 Buell 1125R have?

The 2009 Buell 1125R uses a Four stroke, 72° V-Twin engine with 1125 cc of displacement. It is liquid cooled.

What is the top speed of the 2009 Buell 1125R?

The 2009 Buell 1125R has a factory-quoted top speed of 243 km/h. Real-world speeds vary depending on rider weight, conditions and state of tune.

How much does the 2009 Buell 1125R weigh?

The 2009 Buell 1125R weighs 170 kg. This is the manufacturer's dry figure.

How much power does the 2009 Buell 1125R make?

The 2009 Buell 1125R produces 109 kW @ 9800 rpm of power and 111 Nm of torque. These are peak figures.

What is the fuel tank capacity of the 2009 Buell 1125R?

The 2009 Buell 1125R has a 21.2 L fuel tank.

Is the 2009 Buell 1125R suitable for shorter riders?

The 2009 Buell 1125R has a seat height of 775 mm. This is a moderate seat height that suits a wide range of rider heights.

What brakes does the 2009 Buell 1125R have?

The 2009 Buell 1125R uses ZTL type brake, 6-piston, fixed caliper, Ø375 mm single-sided, inside out, stainless steel, floating rotor at the front and Single Ø240 mm disc, 2 piston floating caliper at the rear.

What tyre sizes does the 2009 Buell 1125R use?

The 2009 Buell 1125R runs 120/70 ZR17, Pirelli Diablo Corsa III front and 180/55 ZR17, Pirelli Diablo Corsa III rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.

What gearbox does the 2009 Buell 1125R have?

The 2009 Buell 1125R is fitted with a 6 Speed transmission.

Buell 1125R Spec Evolution

The Buell 1125R was produced across 3 model years (2008-2010). 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	2008	2009	2010
Suspension - Front	ø47 mm Showa inverted forks, adjustable compression damping. rebound damping and spring preload. 120mm wheel travel.	ø47 mm Showa inverted forks, adjustable compression damping. rebound damping and spring preload.	ø47 mm Showa inverted forks, adjustable compression damping. rebound damping and spring preload.
Fuel Induction	Dual Ø61 mm downdraft throttle bodies, DDFI III Fuel Injection System	Dual Ø61 mm downdraft throttle Bbodies, DDFI III Fuel Injection System	Dual Ø61 mm downdraft throttle Bbodies, DDFI III Fuel Injection System