There aren't any "bad" years, but condition depends on the bike. I have …
That would mean Magnetti Marelli had been working on motorcycle EFI since 1975. henceforth The bike shall be Zed. Fuel injection came along in 07.
Newer bikes are less likely to have gasket problems.
Probably one of the most controversial discussions among motorcycle enthusiasts is the difference between carbureted and fuel injected bikes, as each of them has its own avid supporters. Remember that Bosch, original builder of Mechanical fuel injection, 1910s/1920s, and Magnetti Marelli hold most of the patents for fuel injection. On the 636, fuel injection started in 2003. Suzuki was first to start it on the GSXR 750 SRAD in 1997 though. Like all high quality Suzukis, the RM-Z250 scores highly when it comes to handling. The consequence was the introduction of a sturdy new frame and fuel injection as early as 2010. However, fuel injection was offered as an option for Harley-Davidson's popular FL-series Touring motorcycles starting with the 1996 model year, but in 2007 became standard equipment on all Twin Cam engine models, which now included all Touring, Dyna and Softail models.
The first fuel-injection system on a streetbike debuted in 1980, but for the most part, carbs were how motorcycles mixed air and fuel right up to the turn of the century. Now, I work with folks who, by and large, ride fuel-injected motorcycles. ► Show Full Signature ZedX 1k owner. (It got hard to ignore fuel injection around that time, anywho.) In 1980, Kawasaki was the first motorcycle manufacturer to recognize that in the following years, bikes would have to meet even tougher compliance laws. Dirt bikes with quick steering can barely keep up with how deftly the RM-Z250 navigates turns.