Index Manuals Polaris 550 Indy Sport / 550 Voyageur / Indy Evo / RMK Evo Snowmobile. Owner’s Manual (2024)
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REAR SUSPENSION ADJUSTMENTS Rider weight, riding style, trail conditions, and vehicle speed all affect Each rear suspension can be adjusted to suit rider preference and deliver Refer to the suspension setup label on your snowmobile, or your POLARIS SUSPENSION PERFORMANCE TIPS • Rider weight usually determines the position at which the spring preload should be set. However, this may vary with riding style. With a little • In deep snow, a new rail slide will offer improved performance over a worn rail slide. It can also improve top speed. • When riding on ice or hard-packed snow, adding a set of bogie wheels to the rail may enhance the snowmobile’s performance. Bogie wheel kits are • POLARIS offers track kits for improved flotation in deep snow. See your dealer for assistance. TIP Keep the suspension pivot points lubricated. This will reduce moisture and rust build-up and ensure proper function of the suspension components. Grease rear suspension pivots before adjusting the rear suspension. TRACK TENSION Track adjustment is critical for proper handling. Always maintain correct tension REAR TRACK SHOCK SPRING (144) Measure the rear track shock spring length and adjust to the appropriate length 35
WARNING Allow a passenger to ride only on models equipped with a passenger seat. 1. Securely elevate and support the rear of the snowmobile to remove the weight from the suspension. 2. Use a tape measure to measure the spring installed length between the two spring retainers. 3. Refer to the chart on the next page to determine the correct spring length for rider weight. If adjustment is needed, clear away any snow or ice trapped 4. Using a spanner wrench, rotate the spring to adjust length. NOTICE Never adjust a spring beyond the maximum adjustment length shown in the chart. Adjusting beyond maximum adjustment will cause the spring to bottom and result in damage to your rear suspension. Adjust the rear track shock spring per the charts on below. EVO RMK MODELS REAR TRACK SHOCK SPRING (RTSS) SET-UP (Standard Spring) Measure spring length with suspension off the ground Rider Weight (including all riders, gear, cargo, & accessories Model Installed Spring Length (rear suspension off the ground) Shaded cells indicate factory settings. < 160 lbs < 73 kg EVO RMK 9.5 in. 24.1 cm 160-220 lbs 73-100 kg EVO RMK 9.12 in. 23.2 cm 220-280 lbs. 100-127 kg EVO RMK 8.75 in. 22.2 cm *RMK EVO maximum adjustment is 8.5 in. (21.6 cm) 36 |