8.79
Steering and Suspensions
8
Heavy Duty Rear Track Shock Spring-RMK
Coil-Over
An optional HEAVY DUTY spring is available if
adjustments to the factory-installed springs are not
sufficient for riders over 300 lbs. (136kg).
The part number for the HD spring is 7043741-067.
Re
ference the RTSS Setup-Heavy Duty Spring Table
below.
Measuring Rear Track Shock Spring Installed
Length
1. Lift the rear of the snowmobile off the ground or tip
the snowmobile on to its side to remove the weight
from the rear suspension.
2. Use a tape measure to measure the spring installed
le
ngth between the two spring retainers.
3. To adjust, clear away any snow/ice that may be
tra
pped within the spring or threads. Rotate the spring
using a spanner wrench to change the length.
Regardless of spring type, do not adjust the spring
past the MAXIMUM or MINIMUM measurements.
Spring Retainer Spanner Wrench
Use the spanner wrench included in the tool kit to adjust
the rear track shock spring installed length.
RTSS Setup-Heavy Duty Spring
(Measure spring length with suspension off the ground.)
RIDER WEIGHT
(WITH GEAR)
MODEL
INSTALLED
SPRING LENGTH
(REAR SUSPENSION OFF THE GROUND)
LBS. KG INCHES CM
250-300 113-136 RMK
PRO RMK 155
/163
RMK ASSAULT
10 1/8 25.7
300-350 136-159 10 25.4
CAUTION: Do not adjust HEAVY DUTY spring length
greater than (>) or less than (<):
ALL MODELS = >10 7/8" or < 9 7/8"
Spanner Wrench PN:
2871095-329