On the face of it, the term “liter bike” seems pretty straightforward. A bike with a displacement of 1,000cc, and that should be about it. In reality, it is slightly more nuanced than that, as not all 1,000cc bikes are equal. When we refer to a “liter bike”, it is almost always a fully faired sports bike that can handle well, and the displacement should be around 1,000cc, but even that can be a little contentious.It is pretty hard to ascertain exactly which was the very first bike referred to as a liter bike, but we have a pretty good idea which one defines the class. All the way through the 90s and early 00s, Japanese manufacturers dominated this space, and their bikes dominate this list, with a couple of unique exceptions. The one thing these bikes have in common is the fact that they all offer astonishing bang for the buck.In order to give you the most up-to-date and accurate information possible, the data used to compile this article was sourced from various manufacturer websites and other authoritative sources, including KBB. Buying a used motorcycle always has an element of risk attached, so please do your research, and proceed with caution. The motorcycles on this list go from oldest to newest. 1989 Yamaha FZR1000R Price Range: $3,000 - $5,000 Yamaha Towards the back end of the 80s, speed had become an obsession, pretty much everything else, including handling, took a back seat. The FZR1000 was not the first liter-class sports bike to buck that trend. While its legendary 20 valve Genesis engine was incredibly powerful, it was its new Deltabox frame that made it special. By modern standards, this is still a heavy bike, but on a twisty road it will leave many of its contemporaries in its dust. Specifications 1994 Kawasaki Ninja ZX-9R Price Range: $3,000 - $5,000 Bring A Trailer When Honda launched the original FireBlade – which some might consider the first liter bike – all the other manufacturers were scrambling for answers. Kawasaki didn’t have any. It was heavier and slower than the Honda, but, looking at the bike objectively today, all you will see is fantastic value. It is still a powerful motorcycle that handles relatively well for its age. Specifications 1996 Honda CBR919RR FireBlade Price Range: $4,000 - $6,000 Bring a Trailer The first generation FireBlade might well be the original liter bike, but it has since become a collectible classic. If you do find one for under $5k, it will likely have a cracked frame or missing fairings. The 919 is an objectively better motorcycle than the first-generation bike, it handles better and is even marginally lighter. Yet, it is still within our $5k budget. Specifications 1998 Suzuki TL1000R Price Range: $4,000 - $6,000 Suzuki This V-twin can still be found in the new V-Strom ADV, and it has quite a backstory. The Japanese manufacturers were getting out muscled by Ducati in the WorldSBK championship. Suzuki planned to use this as a homologation bike, but it flattered to deceive in testing as the team were unable to get it to lap fast enough to be competitive. The project was abandoned, but Suzuki, not one to waste good tooling, decided to put the bike into production anyway. It might not be the best track bike – by Suzuki’s own admission – but it is fun, and today, pretty cheap. Specifications 2000 Aprilia RSV Mille R Price Range: $3,000 - $5,000 Up until the 90s, Aprilia was more focused on producing small displacement two-stroke race bikes. The RSV Mille superbike was uncharted territory for the small manufacturer from Noale. While it looked the part, it only served as a more exotic (also better looking subjectively speaking) choice. It was more expensive than the more powerful Japanese alternatives. Mechanical reliability was never an issue thanks to its Rotax supplied twin, but Italian wiring from this era is infamous. Specifications 2002 Yamaha YZF-R1 Price Range: $4,000 - $6,000 Yamaha In our opinion, the original Yamaha YZF-R1, which came out back in 1998, is a class-defining motorcycle. While other bikes may have come before it, the R1 will always be the first bike that comes to mind when discussing liter-class sports bikes. By 2002, this class-defining motorcycle had already got a new frame and fuel injection, a fairly significant update for the time as carbs were still very much the norm. Specifications 2002 Honda RC51 (SP2) Price Range: $4,000 - $6,000 Bring A Trailer Just like Suzuki, Honda also had a go at building a V-twin sports bike that could take on the Ducati’s. Honda’s bike wasn’t just competitive, it was dominant. It wrestled the crown away from Ducati, and also proved that homologation specials don’t need to be expensive. Back in the early 00s, it was genuinely affordable, and today, it is a bargain on the used market. Specifications 2004 Suzuki GSX-R1000 Price Range: $4,000 - $6,000 Suzuki In short, the 03/04 Gixxer is not quite on the same level as the 05 (or K5), but it is still a pretty impressive bike, and you can have it for under $5k. If you do find a K5 bike within your budget, there is every chance that there will be hidden damage. These bikes are just as potent, and need to be treated with respect or things will go sideways in a hurry. Specifications 2005 Kawasaki Ninja ZX-10R Price Range: $4,000 - $6,000 It is pretty hard to believe that the aforementioned ZX-9R was still on sale back in 2003, but when this came out in 2004, it completely flipped the script. With ram-air, this was a 180 horsepower superbike. Its ultra-light chassis paired with all that power made it both incredibly effective on track, and incredibly twitchy just about everywhere else. This might not have quite as much power as modern superbikes, but with no rider aids in sight, it is most certainly scarier. Specifications 2008 Buell 1125R Price Range: $4,000 - $6,000 Buell This might be a slightly contentious inclusion, considering the fact that its displacement is 125cc over the 1,000cc mark. But, it is a liter bike by any other measure. Lighter than most of its contemporaries, its torque-rich V-twin gives it incredible acceleration. Just like Aprilia, Buell turned to Rotax for help with the engine, and it is pretty reliable. Unfortunately, much like the Mille, the wiring is not. Specifications