2000 Yamaha TT-R90, TTR90 - The smallest member of our four-stroke, off-road family has a smooth, 90cc four-stroke engine and semi-automatic transmission with automatic clutch. The all-new TT-R90 is the smallest member of our four-stroke family of off-road motorcycles. It features an 89cc four-stroke engine has CD ignition to keep maintenance to a minimum. * A 3-speed semi-automatic transmission has a centrifugal clutch so theres no clutch for the rider to operate. Front telescopic forks and single rear shock provide comfortable suspension. * Low, 24.5" seat height accommodates shorter riders. * Serrated footpegs are standard to provide good off-road grip. * Steel engine guard is standard. This is a great bike for riders just starting out that are too big for the smaller PW50.