BOMBARDIER 1996 Ski-doo MX Z440 Handbook page 23

Section 03 CHASSIS PREPARATION
450
450
SPRING RATE = 100 Ibf /
in SPRING RATE = 150 Ibf /
in
A spring can also be progressively wound. This means that the rate of the spring is increasing as it
is compressed. A 100/ 200 lb/ progressive spring will require 100 pounds to compress the first
in
one inch but will require 200 additional pounds to compress the last one inch (see following
ill ustrati on).
03-7