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BuellModel report

Buell 1125R Problems by Model Year

NHTSA recorded 45 consumer complaints across the 2 model years of the Buell 1125R (2008–2009) that have at least 5 complaints. 2009 has the most, with 39. Across all years, the part named most often is electrical system (33 mentions). Pick a model year below to see its parts, mileage, recalls and service bulletins.

All 1125R model years

Years with fewer than 5 complaints are not listed. The score compares years of the same model, allowing for the era and for how long each year has collected complaints: 50 is a typical year, lower means fewer complaints. It is not adjusted for sales volume.

YearComplaintsMedian miRecallsTSBsScore (50 = typical)Trend
2009396,23502Not compared (fewer than 3 comparable model years)Stable
200864,00025—Not enough data

Parts named most often, all years

Counts add up complaint mentions across the listed years. A complaint can name several parts.

Example complaints

One per model year, chosen for length and detail. Personal details are removed. They are consumer reports, not findings.

2009: “I was getting onto the highway via an on ramp and started accelerating when the engine started to sputter and backfire then it just lost all power and rolled to a stop. Instrument cluster showed voltage error and about 9 volts. Got the motorcycle back and it died about five miles down the road with same problem. Harley davidson had my bike for the whole summer!”

NHTSA complaint #10462420, filed 2012-06, 4,800 miles

2008: “2008 Buell 1125R clutch fluid leaks out weep hole and causes the loss of clutch which makes control of bike dangerous, harley has had this problem and knows about it and has at this time done nothing to fix, if bike is under warranty they fix it , if out of warranty they do nothing to protect your safety.”

NHTSA complaint #10349918, filed 2010-08, 1,060 miles

Other Buell models

Buell 1125CR
44 complaints
Buell Firebolt XB9R
18 complaints
Buell XB12R
14 complaints
Buell S3 Thunderbolt
10 complaints
Buell S1 Lightning
7 complaints
Buell XB12S
7 complaints
Buell X1 Lightning
5 complaints
Buell XB12X
5 complaints

All Buell models →

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Methodology