Both 125cc scooters and motorbikes max out at 60mph, which is double the top speed of a 50cc. Whereas a 50cc makes a good choice for city riding, 125cc scooters are better for suburban/country riding. You can’t ride a 125cc until you turn 17, but can still ride them without a full licence. Post by HotStuff2 onMay 27, 2012 at 1:49am. There are several 150cc scooters incorrectly identified as a 50cc from the factory, as well as 50cc scooters that have had a 150cc motor swapped in. Mods: - 24.50mm Keihin GY6 carb. - Chrome Mirrors from ScooterElements. Mark Hoyer. Inspect the rubber coupling or manifolds that hold the carburetors on the engine. It is common for these rubber parts to harden with age, then crack during removal of the original Post by D-cat onJul 26, 2011 at 10:44am. On the single rear shock GY6 bikes, the output shaft is also different. The GY6 10" hub is narrower than the 12"+ hubs so the short-case shaft is shorter. The dual rear shock bikes all have the long shaft though. Visualize Whirled Peas. Pricing. You can score a “50” for a mere $1,999 in any one of seven paint packages plus a couple of two-tone paint jobs in the $2,199 “International” line. The “125” rolls for $2,699 YAMAHA YZ 125 2001 - 2004. In 2002 the frame changed, making it lighter, narrower, and more flick-able. However, many people didn’t approve because it switched to a 5-speed transmission. 125’s Not all 125cc are the same as each other, much less other scooters. A cheap and crappy Chinese 125cc with an air cooled and carbureted engine can range from about 5-8 horsepower, compared to a higher quality name-brand fuel-injected, water cooled and modern 150cc that gets up to 12hp. That's 50-100% more power. Unfortunately, you won't see many of the major brands, such as Honda and Yamaha, come out with a 70cc model; they tend to jump straight from 50cc to 110cc or something in that range. There are plenty of Chinese and custom lesser-known brands that offer a 70cc four-wheeler, though, and we give you a couple below to start off your investigation. It’s built just as well and will handle any size kid, whether you’re looking for your first dirt bike or are an adult that wants a play bike – stiffer suspension may be necessary. It was only made for 3 years (02-04), so finding one may be difficult, but they’re definitely a reliable choice for the top 110cc dirt bike category. 2003 Motorcycles. We have more options than a French bakery! Don’t get overwhelmed with all the choices of bikes! We have a bike for any age, size, or skill level! Fun times guaranteed! EaQt2.