Lowering the seat can help you make your motorcycle more comfortable to ride, and it makes it easier to reach the ground. By shaving off a portion of the seat, you'll make it easier to firmly plant your feet because you won't have to spread your legs so far around the bike.
Does lowering a motorcycle make it faster?
By lowering the front end, you are manipulating the bike's rake and trail settings. Without getting too technical, this will make your bike quicker turning at the expense of reducing high-speed stability. If you stay conservative, you may not notice any handling differences.
Does lowering a motorcycle affect handling?
Effects on Handling
Even if you lower your bike by the book, handling can be affected to some degree. "When you lower a bike, you also lower its center of gravity, so it'll handle a bit better in certain circumstances," says Langley. "The negative is that your initial ground clearance is decreased.