Rear Track Shock Settings
For riders who weigh 160-220 lbs. (73-100 kg), test ride at factory settings, then make fine-tuning adjustments. See the following initial RTS Shock Preload Settings table.
For riders outside the 160-220 lbs. (73-100 kg) weight range, adjust the factory-set preload to the following installed lengths as a starting point, then test ride before making fine-tuning adjustments. Do not exceed the minimum and maximum installed length requirements. See the following initial RTS Shock Preload Settings table.
Always perform shock spring preload adjustments with the weight of the vehicle removed from the shock and with the shock at full extension. If adjustments to the factory-installed springs are not sufficient for riders over 300 lbs. (136 kg), optional stiffer springs are available. Your POLARIS dealer can assist.
Do not install accessory bogie wheels on the inside of the rail beams if your model is equipped with a remote reservoir rear track shock or damage will occur. The rail scratchers must first be removed as they interfere with the accessory bogie wheels.
Factory Spring Settings
Always perform shock spring preload adjustments with the weight of the vehicle removed from the shock and with the shock at full extension.
PRO-RMK
RMK KHAOS
Never adjust spring preload to an installed length longer than the factory length or shorter than the minimum length as shown in the following chart. Damage to the suspension could result. When decreasing preload, make sure at least two turns of preload are holding the retainer against the spring.
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Initial RTS Shock Preload Settings (Measure spring length with suspension off the ground) |
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Rider Weight |
Model |
Factory Installed Length |
Minimum Installed Length |
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For Factory-Installed Springs |
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<160 lb (<73 kg) |
PRO-RMK |
10.75 in (27.3 cm) |
9.8 in (24.9 cm) |
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RMK KHAOS |
10.375 in (26.3 cm) |
9.8 in (24.9 cm) | |
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160-220 lb (73-100 kg) |
PRO-RMK |
*10.5 in (26.7 cm) |
9.8 in (24.9 cm) |
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RMK KHAOS PRO RMK (Velocity) |
*10.25 in (26 cm) |
9.8 in (24.9 cm) | |
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220-280 lb (100-127 kg) |
PRO-RMK |
10.125 in (25.7 cm) |
9.8 in (24.9 cm) |
|
RMK KHAOS |
10.125 in (25.7 cm) |
9.8 in (24.9 cm) | |
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280-340 lb (127-154 kg) |
PRO-RMK |
9.8 in (24.9 cm) |
9.8 in (24.9 cm) |
|
RMK KHAOS |
10 in (25.4 cm) |
9.8 in (24.9 cm) | |
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*Factory Setting |
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For Optional 250 lb./in. Stiff Springs (see your dealer) |
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250-300 lb (113-136 kg) |
ALL |
10.25 in (26 cm) |
10 in (25.4 cm) |
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300-350 lb (136-159 kg) |
ALL |
10 in (25.4 cm) |
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Factory Clicker Settings (if equipped)
RMK KHAOS models come factory-equipped with Walker Evans Racing Velocity shocks. Velocity shocks utilize dual shock clickers to control bottoming and ride comfort. To reset rear track shock clickers, rotate the clicker to full stiff, and then back off the same number of clicks for each shock. PRO RMK models equipped with Velocity shocks do not have dual shock clickers.
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The outside clicker 1 adjusts shock compression during high speed compression events. Turn clicker clockwise to increase compression and counterclockwise to decrease compression.
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The inside clicker 2 adjusts shock compression during low speed compression events. Turn clicker clockwise to increase compression and counterclockwise to decrease compression.
RMK KHAOS
PRO RMK
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Model |
Clicker Setting (from full stiff) |
|---|---|
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PRO-RMK (Velocity) |
6 |
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RMK KHAOS |
High-Speed: 4 Low-Speed: 6 |