I am almost positive that my 90 has 4 gears. With the speedometer on my 350 I clocked the 90 doing 37 with a 150lb adult on it. But I would like to restrict that top gear if possible to slow my son down. He just turned 6 and I think that is to fast for right now. I rather restrict the top gear than using the throttle limtied because there are times (water forging or mud) when you want to be able to keep the RPMs high.

Thanks,
Phil