Yamaha Fs1

I rode a '71 FS1 through two British winters and it genuinely changed how I understood motorcycles — every throttle input, every corner entry, mattered on something this small and honest. The piston-port motor pulls cleanly from about 5,000 rpm and that four-speed gearbox rewards proper technique; short-shift it and you're crawling, hit the powerband and that 70 km/h top speed feels genuinely earned. The chrome fenders rust if you look at them sideways, and the pedals are a joke — they're there for the law, not locomotion — but the chassis is surprisingly planted for a 63 kg machine. Carb jetting is sensitive to temperature and you'll be stripping the pilot jet every autumn, but find a clean original example and there's a purity here that most modern machinery can't touch.

The torque induction reed valve makes a genuine, measurable difference over the older piston-port setup — throttle response off the bottom is crisper, and the flat midrange spot that used to bog you mid-corner is mostly gone. At full chat you're sitting somewhere between 60 and 65 km/h in reality, not the optimistic 70 on the spec sheet, but for a 49cc two-stroke that's genuinely buzzing through suburban traffic on a learner plate, it felt like enough. The carburetion update is real too — cold starts are less of a ritual, and it doesn't four-stroke and blubber on a closed throttle the way earlier FS1s did in the wet. Weakness is still the front drum, which is polite in dry conditions and quietly terrifying in the rain, and at 63 kg wet you feel every pothole through a frame that was never pretending to be anything other than budget steel.

The Gen 3 FS1 is the one that finally looked the part — those sharp, angular lines borrowed from Yamaha's RD series made teenage me feel genuinely cool pulling up outside school. Underneath the restyled tin, though, it's the same breathless 49cc two-stroke you've always known: 40 km/h flat-out with a tailwind, and a power delivery that requires nursing the throttle around 4,500 rpm or it falls flat on its face. The revised frame geometry is a real improvement — steering feels more planted through corners than the earlier round-tank bikes, and the new exhaust note has a slightly meaner bark to it, even if the performance difference is negligible. Instruments are now actually legible at a glance, which sounds trivial until you've squinted at a fogged-over Gen 1 speedo in the rain.

I put two summers on a '84 FS1 and it never once let me down, which sounds like faint praise until you remember I was a teenager treating it like a motocross bike. The angular Gen 4 bodywork felt genuinely purposeful compared to the rounded earlier versions — it looked like a proper motorcycle, and that mattered enormously at sixteen. That 49cc two-stroke pulls cleanly to its 40 km/h restricted ceiling and sits there all day, though you'll feel every headwind like a physical insult. The updated front forks were a noticeable improvement over earlier FS1s, soaking up road edges without the vague, noodly feel that plagued the Gen 2, but don't expect miracles — this is still a 62 kg learner tool, not a sports bike.