IFS ADJUSTMENT OPTIONS
• Front shock spring preload
• Optional springs
IFS SHOCK SPRING PRELOAD (IF EQUIPPED)
Increasing spring preload increases ski-to-ground pressure. Decreasing spring
preload decreases ski-to-ground pressure. When adjusting, ensure the springs
on both sides of the machine are set to the same length. To adjust shock spring
preload, grasp the spring retainer and rotate it. Some models are not equipped
with IFS spring adjuster. Please see your POLARIS dealer for accessory
options.
IMPORTANT
Before adjusting, elevate the front end of the
snowmobile so the skis are lifted off the
ground. All measurements are taken with no
pressure on the front suspension.
Factory Installed Spring Length
qq
121 Models (Not
Including EVO
models)
10.40 in (26.4 cm)
155 Models 10.14 in (25.7 cm)
EVO and EVO RMK 7.94 in (20.2 cm)
Never exceed 1 in (2.54 cm) of preload beyond the factory settings. Over-
extending the spring preload may adversely affect the handling of the
snowmobile and the performance of the suspension.
34
THE PERFECT FIT
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