Once the engine was dismantled & mono motorcycles had ascertained the cause of the engine issues, the customer was contacted & an estimate given on the rebuild costs. However, alongside the typical Buell growl, was a very concerning sound, which we could only describe as a bag of hammers being dragged along the ground repeatedly! The Buell was swiftly turned off & the engine strip down began. While up on the ramp, Daniel Morris of mono motorcycles started her up & her 1200cc engine raged & roared. Upon receipt to mono motorcycles, it was agreed that the engine would be stripped to ascertain what was causing the issues. The Buell’s owner had identified a considerable rumbling sound emitting from the engine five years previously & had put her away, always with a view to one day bringing her back to life. The first thing we were told by her owner, was that the Buell had not been ridden for five years. The Buell XB12R may not be the fastest thing in a straight line but awesome in corners and stacks of fun.” When mono motorcycles first received the enquiry regarding the Buell Firebolt XB12R, it was to assess her engine issues. Ancient Harley-Davidson engine mated to a stubby, innovative, high-tech aluminium frame with lots of well thought out touches makes a superb, nimble sports bike.

“The Buell XB12R Firebolt is a real Frankenstein’s monster of a motorcycle – but it works. When a Buell Firebolt XB12R owner approached mono motorcycles back in April 2018, we were intrigued by the prospect of helping this man regenerate his beloved machine.

Buell engine numbers