The RM-Z450 makes power up to 8800 rpm, and it’s all downhill from there. The 2020 RM-Z450 remains the champion’s choice, as its sleek, race-ready appearance, strong engine, and nimble chassis continue the Suzuki tradition of … Suzuki’s 2020 RM-Z450 model returns with most of the setup that was first introduced on the 2018 model, such as the aluminum alloy twin-spar main frame that has combined cast and extruded sections designed to achieve balanced weight distribution. INTRODUCTION TO THE 2020 SUZUKI RM-Z450 & RM-Z250 MOTOCROSS MODELS 2020 Suzuki RM-Z250 is the same as the 2019 RM-Z250 same for a very slight change in the color scheme of the graphics. 2020 RM-Z450 THE WINNING BALANCE. If you would like to get a quote on a new 2020 Suzuki RM-Z 450 use our Build Your Own tool, or Compare this bike to other Off-Road motorcycles.To view more specifications, visit our Detailed Specifications. 2020 Suzuki RM-Z 450 pictures, prices, information, and specifications. At 11,000 rpm, the 2020 Suzuki RM-Z450 makes 7-1/2 horsepower less than the 2020 YZ450F. This is about a 1/2-pound lighter than the previous generation. Get a free Price Quote from your … Below is the information on the 2020 Suzuki RM-Z 450. The RM-Z450 wraps a sleek, race-ready appearance around a stronger engine and a nimble chassis that continues the Suzuki tradition of extraordinarily precise handling.