Rale Industries ST120 2021 User manual

™
®
2021
ST120
Installation guide

2021 RALE® ST120 INSTALL GUIDE
Revision: B
Release: 1-13-2021
TD-32110

iii2021 RALE®ST120 INSTALLATION GUIDE
WELCOME
Thank you for purchasing a RALE Industries ST120 snow bike
conversion kit!
RALE Industries delivers a patented snowbike conversion kit
oering unrivaled performance. By utilizing a single-shock design,
the RALE snowbike provides typical dirt bike handling and agility
through dirt bike rear suspension geometry, tune-ability and pivot
points. The RALE ST120 translates the dirt bike riding experience
directly to the snow.
This Installation Guide is to be used in conjunction with an application
specific Fit Kit Guide, shipped with the Fit Kit.
Please retain this Installation Guide for usability and safety
information. Consider it a part of the product.
If you need a copy of any documentation please contact us.
RALE Industries is distributed exclusively by Western Power Sports.
Web:
riderale.com
Email:
[email protected]
Customer Service:
208-376-8400 x 3155

2021 RALE®ST120 INSTALLATION GUIDEiv
NOTICE
Do not remove, paint over or cover the serial number plate.
The serial number will need to be referenced when communicating
with your dealer or RALE Industries. It is located on the right side of
the RALE Track Kit.
Record the following information:
RALE Serial Number:
Motorcycle Make:
Motorcycle Model:
Motorcycle Year:
SERIAL NUMBER

TABLE OF CONTENTS
W ............................................. 
S N ................................. 
T  C .......................... 1
W ............................................. 2
I G .......................... 4
Bike Tear Down ........................................................5
Air Box Removal / Modification ...........................5
Ski Installation ........................................................... 6
Shock Preparation...................................................7
Track Kit Installation.................................................8
Shock Installation...................................................13
Primary Chain Installation....................................14
Setting Track Tension ...........................................15
Setting Track Alignment.......................................16
Brake Installation....................................................17
C ..................................... 1 8

2021 RALE®ST120 INSTALLATION GUIDE22021 RALE®ST120 INSTALLATION GUIDE2
WARNINGS
Please review and familiarize yourself with the following warnings
and their meanings. They will be found throughout this Installation
Guide.
DANGER
Potential of death, serious harm or injury to the operator or
bystander(s).
CAUTION
Possible damage to the motorcycle, track adaption system or
adjacent property.
NOTICE
Specific instructions requiring extra attention or important things
to note.
NOTE: It is not possible for RALE to warn the owner or operator
of every conceivable DANGER, CAUTION or NOTICE that may be
encountered in relation to the RALE ST120. It is the responsibility of
the owner and/or the operator to exercise good judgment to stay
safe at all times
DANGER: Cancer and Reproductive Harm www.P65Warrnngs.ca.gov
Before operating a vehicle equipped with a RALE Track Kit, all
operators should read and become familiar with the User’s Manual.
The latest digital version of this manual can be found online at
www.riderale.com
The document number, version number and release date of this
manual can be found on the inside cover.

2021 RALE®ST120 INSTALLATION GUIDE4
INSTALLATION GUIDE

52021 RALE®ST120 INSTALLATION GUIDE
Bi k e Te a r Do w n
CAUTION
It is essential to utilize the host bike user's/owner's manual and/or
service manual for detailed disassembly procedures.
If using a motorcycle stand and/or lift, follow the stand's/ lift's safety
guidelines and properly secure the bike from tipping, shifting, or
falling.
Put the bike on a frame stand. An adjustable stand is best for the
track kit installation.
Refer to the ST120 User’s Manual for detail drawings and parts ID.
Start by removing the following parts from the host bike:
• Drive chain
• Rear shock (keep the
bolts for later use)
• Rear swingarm linkage from
frame (leave attached to
the swingarm)
• Swingarm (keep the pivot
axle and nut for later use)
• Rear brake line, master
cylinder, and lever
• Front brake line, master
cylinder, and lever
Do not remove the front wheel at this time
Modify the air box as needed to clear any interference the RALE
Track Kit may cause. It may be necessary to change or modify the
air intake system of the host bike.
ai r Bo x re m o v a l / mo D i f i c a T i o n

2021 RALE®ST120 INSTALLATION GUIDE6
Sk i in S T a l l a T i o n
1. Remove the host bike front wheel and retain the axle for securing
the ski tower.
2. Ensure the correct length ski spacers are installed as outlined on
the fit kit page.
3. Fit the ski tower into position.
4. Insert the axle and tighten to the OEM host bike manufacturer’s
specifications.
5. Install the inside fork clamps. Use blue Loctite® 243 on the four
screws that hold the fork clamps. Torque to 160 IN-LB.
6. Install the outside fork clamps. Use blue Loctite® 243 on the four
screws that hold the fork clamps. Torque to 100 IN-LB.

72021 RALE®ST120 INSTALLATION GUIDE
NOTICE
Not all OEM shocks have this same configuration. Refer to the
model specific Fit Kit Guide, shipped with the Fit Kit.
NOTICE
The shock spacer should be between the shock heim joint and the
shock rotator. Some kits may not have a shock spacer.
\
1. Install shock extender in the lower shock clevis using OEM bolt
and or nut.
2. Install shock rotator with the shock spacer on top, use provided
hardware.
3. Measure and record the spring length. ______
4. Loosen the shock spring pre-load adjuster to relieve all spring
pre-load from the shock.
Sh o c k Pr e P a r a T i o n

2021 RALE®ST120 INSTALLATION GUIDE8
Tr a c k ki T in S T a l l aT i o n
1. Remove bellcrank A stop.
2. Install upper link and (2) Upper Link-M14 Spacers into bellcrank A.
Torque to 40 FT-LB.

92021 RALE®ST120 INSTALLATION GUIDE
4. Place the assembled shock into the center channel.
5. Attach the shock extender to bellcrank A.
6. The bolt can be accessed through the forward most triangle hole
in the center channel. Torque to 40 FT/LB.
3. Re-install bellcrank A stop. Use blue Loctite® 243 on the four
screws. Torque to 160 IN-LB.

2021 RALE®ST120 INSTALLATION GUIDE10
7. Install upper link and upper link spacer into the top shock mount
of the bike using the OEM bolt. Torque the bolt to OEM user’s/
owner’s manual.
8. Lubricate the lower joint of the upper link using marine grade
grease. RALE recommends WPS PN 58-5297
NOTICE
Not all fit kits have this same configuration. Refer to the model
specific Fit Kit Guide for the application.
Lube here

112021 RALE®ST120 INSTALLATION GUIDE
9. Install o-rings on the inside spacers.
10. Place inside spacers in yoke, make sure the o-rings are seated all
the way into the yoke.
11. Place outside spacers in yoke, the seal should hold these in
place.
12.Depending on the fit kit being installed, identification grooves are
cut into the spacers. To see spacer placement, refer to the model
specific Fit Kit Guide, shipped with the Fit Kit.
CAUTION
Carefully review the model specific Fit Kit Guide for the
application to ensure all spacers are installed in the correct
location.

2021 RALE®ST120 INSTALLATION GUIDE12
13. With the front of the bike tied down, raise the bike from under
the frame until the yoke of the track kit is closely aligned with the
swingarm pivot axle hole.
14. Move the track kit as necessary to align the yoke pivot hole with
the bike frame’s swingarm axle hole.
15. Install the OEM Pivot axle/nut do not use force.
16. Install the swingarm pivot axle in the same orientation it was
removed from the host bike. Torque OEM axle/nut to host bike
specs in the OEM User’s/Owner’s Manual.

132021 RALE®ST120 INSTALLATION GUIDE
Sh o c k in S T a l l a T i o n
1. With all the spring pre-load relived, compress the shock.
2. Insert the shock rotator axles into bellcrank B. Do not use force,
this will damage the bushings in the shock rotator.
3. Use blue Loctite® 243 on the four screws that hold the shock
rotator axles. Torque to 100 in-lb.
4. With the bike on level ground, not supported by any stand, set the
spring pre-load:
• Set the handlebars straight
• Set the bike stand so the forks are at 62°
• Place a level on the center channel
• Increase the pre-load until the center channel is level
Check level

2021 RALE®ST120 INSTALLATION GUIDE14
Pr i m a r y c h a i n i n S T a l l a T i o n
1. Install the primary chain. Install the master link with the closed end
of the spring clip towards the direction of chain rotation.
Primary Chain
Adjustment
2. With the bike and track kit in a level position, set the primary chain
slack. The chain should have 1.5” ± .25” of slack.
3. Set the adjustment screws on both sides of the yoke until the
head of the screw touches the spacer.
4. Tighten the nuts to lock each adjustment screw into position.
Direction of
chain rotation

152021 RALE®ST120 INSTALLATION GUIDE
Br a k e in S T a l l a T i o n
Check tension
5. Torque the four nuts under the yoke to 30 FT/LB.
1.5”
Adjust tension /
alignment
1. Raise the bike until the track kit is fully suspended.
2. The adjustment screws at the rear bogie wheels adjust the track
alignment and tension.
3. Tighten the track until there is 3/4” to 1” of slack between the track
and the hyfax.
4. Using the nuts on the adjustment screws lock adjustment into
position.
5. Torque the track kit rear axle bolts to 50 FT/LB
Se T T i n g T r a c k Te n S i o n
Torque (4) nuts

2021 RALE®ST120 INSTALLATION GUIDE16
DANGER
To avoid serious injury or death: prevent objects, clothing, or
extremities from becoming entangled or jammed in and around
moving parts. IMMEDIATELY STOP THE ENGINE AND ENGAGE
THE BRAKE IF THIS CAN OR DOES OCCUR.
CAUTION
Proper track tension and alignment are important to the
operation and wear of the RALE Track Kit.
1. Raise and securely position the bike until the track kit is FULLY
SUSPENDED.
2. The adjustment screws at the rear bogie wheels adjust the track
alignment and tension.
3. Start the host bike in neutral. While idling, put the bike in gear to
engage the RALE Track Kit and let it spin for 15-30 seconds.
4. STOP the RALE Track and TURN OFF the engine.
5. Check for even alignment along edge of the hyfax compared to
the track.
6. Tighten and/or loosen the left or right side track adjustment
screws 1 to 2 turns depending on the necessary adjustment.
7. Repeat steps 3 - 6 until the track is aligned.
8. Tighten or loosen both sides of the rear axle equally until there is
3/4” to 1” of slack between the track and the hyfax.
9. Tighten the nuts to lock each adjustment screw into position.
10. Torque the track kit rear axle bolts to 50 FT/LB
Se T T i n g T r a c k al i g n m e n T