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™
Operation Manual
Thank you for choosing the Mini-Slider from Losi®. This guide contains the basic instructions for operating your new
Mini-Slider. While the Mini-Slider is great for rst-time R/C drivers, it does require some mechanical experience and/or
parental supervision for drivers under 12. It is critical that you read all of the instructions in order to operate your
model correctly and avoid unnecessary damage. Please take a moment to look over all the printed materials before
operating your new Mini-Slider.
2007 Losi, A Division of Horizon Hobby Inc.
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Safety Precautions
This is a sophisticated radio controlled model that must be operated with caution and common sense. Failure to
operate your Mini-Slider in a safe and responsible manner could result in damage to the model and property. The Mini-
Slider is not intended for use by children without direct adult supervision. Losi and Horizon Hobby shall not be liable
for any loss or damages, whether direct, indirect, special, incidental, or consequential, arising from the use, misuse, or
abuse of this product or any product required to operate it.
• This model is controlled by a radio signal subject to interference from many sources outside your control. This
interference may cause momentary loss of control so it is advisable to always keep some distance in all directions
around your model as a safety margin to avoid collisions.
• Always operate your model in an open area away from cars, trafc and people.
• Avoid running your model in the street where damage can occur.
• Never run your Mini-Slider with low transmitter batteries.
• Carefully follow the directions and warnings for this and any optional
support equipment.
• Keep all chemicals, small parts and anything electrical out of the
reach of children.
Tools and Items You Will Find Handy
• Soft bristle brush for cleaning
• 5.5mm nut driver for the wheel nuts.
• #0 or #1 Phillips screwdriver
• LOSA99100 .050” Allen Wrench
Note: Use only Losi tools or other high quality tools. Use of inexpensive tools
can cause damage to the small screws and parts used on this type of model.
The Radio System
The following is an overview of the various functions and adjustments found on the Mini-Slider radio system. Since
the Mini-Slider operates on a radio signal you control, it is important for you to read and understand about all of these
functions and adjustments before driving.
The Receiver
1. Throttle Port: Where the Electronic Speed Control (ESC) plugs in.
2. Steering Port: Where the steering servo(s) plug in.
. Bind Port: Used to “bind” the receiver to the transmitter.
4. Indicator Light: Shows that a frequency/channel is being received.
The Electronic Speed Controller (ESC)
5. On/Off Switch: Powers the receiver and ESC.
6. Setup Button and Indicator Light: Used for re-setting the ESC.
7. Battery Lead: Connects to the battery pack for power.
8. Motor Lead: Connects to the wire leads from the motor.
The Transmitter
1. Steering Wheel: Controls direction (left/right) of the model.
2. Throttle Trigger: Controls speed and direction (forward/
reverse) of the model.
. Antenna: Transmits signal to the model.
4. On/Off Switch: Turns the power on for the
transmitter operation.
5. Indicator Lights: Green (top) light indicates adequate battery
power. Red (bottom) light indicates signal strength.
6. Steering Trim (ST. TRIM): Adjusts the “hands off” direction
of the model.
7. Throttle Trim (TH. TRIM): Adjusts the motor speed to stop
at neutral.
8. Steering Rate: Adjusts amount front wheels move when the
steering wheel is turned left or right.
9. Steering Reverse Switch (ST. REV): Reverses the function of
the steering when the wheel is turned left or right.
10. Throttle Reverse Switch (TH. REV): Reverses the function of
the speed control when pulled back or pushed forward.
11. Bottom Cover: Covers and holds the batteries powering
the transmitter.
Re-Binding the Transmitter to the Receiver
The Losi DSM radio system included in the Mini-Slider operates on 2.4 GHz, and provides 79 different channels
which are automatically selected when the transmitter and vehicle are turned on. The communication between the
transmitter and receiver starts in the few seconds after the transmitter and vehicle are both turned on. This is called
the “binding process”. The Losi DSM radio system will not interfere with previous technology radio systems that
operate on 27 MHz or 75 MHz frequencies and you will not receive any interference from them.
Although set at the factory, below are the steps required to re-bind your transmitter to the receiver should the need
arise. During the bind process there is a unique ID from the transmitter communicated to the receiver to ensure
trouble free radio operation.
Steps to Re-Bind
1. Ensure that the transmitter and vehicle are both turned off.
2. Using the supplied Bind plug (which looks like a standard receiver plug with a wire loop in-
stalled) insert or plug into the receiver slot labeled “BIND”. Looking down on the receiver this slot
would be below the LED and is the furthest from the LED, or nearest to the corner of
the receiver.
Note: you do not need to remove any of the other plugs to re-bind.
. With the Bind plug installed, turn on the vehicle. Notice a blinking Orange LED
within the receiver
4. Now you are ready to turn on the transmitter. You should notice on the back of
the transmitter a similar blinking Orange LED under the translucent cover.
5. Both the receiver and transmitter blinking Orange LED will stop blinking and become solid indicating they have
“bound” themselves together.
6. Please turn off both the vehicle and transmitter to remove the Bind plug from the receiver. Failing to remove the
Bind plug will cause the transmitter to attempt to rebind every time you turn on the vehicle and transmitter.
7. Turn on both the vehicle and transmitter to ensure operation. If the transmitter does not control the vehicle, please
repeat steps 1 to 6. Should this not correct the problem please call Horizon Service/Repair for further assistance.
8. The Bind process is complete. Your vehicle’s radio system should be ready for use.
10
3
6
7
1
4
5
8
2
9
1
2
4
3
5
7
6
8
11
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Ride Height
This is the height the chassis sits and runs at. Spring spacers included with the Mini-Slider, when installed between
the shock top and spring, will increase the pre-load on the spring and raise the chassis. You may want to try this when
running on extremely rough surfaces.
Toe-In
This is the relationship of the left and right side tire to one another.
Ideally you want the front of the tires to be pointed inward toward
each other just slightly when viewed from above. This makes the
model track straight and stable. This is controlled with the threaded
steering rods on either side. As you make them longer you will
increase the toe-in and vice versa.
Chassis Tuning
The Mini-Slider has several adjustments available to you for tuning the performance for your needs. Although there
are multiple shock positions and camber link locations provided, we have built the model with the best overall settings.
The following are simple adjustments and easily maintained settings to assure proper operation and performance. It
is advised when making any adjustment that you do so in small increments and always check for other parts of the
chassis that are affected.
Slipper Adjustments
The Mini-Slider is equipped with a slipper device offering
both traction control and protection for the transmission.
The slipper is primarily used to help absorb sudden impacts
on the drivetrain due to landing big jumps or when using
more powerful aftermarket motors and/or battery packs.
Additionally, it can be used to smooth out the ow of power
to the rear wheels and limit wheel spin when running on
extremely slick surfaces. Adjustment is made by turning the
mm adjustment nut clockwise (to the right) to reduce the
slip, or counterclockwise (to the left) to increase the slip.
When adjusted properly, you should be able to hold the rear
tires rmly and barely be able to push the spur gear forward
with your thumb. To track test, turn the Mini-Slider on and
place it on the ground. As you push it backwards allowing
it to roll freely, punch the throttle. The slipper should slip
no more than an inch or two as it accelerates. With the
included motor and battery pack it should slip just a little.
Make sure you replace the gear cover before running.
Resetting the ESC
The ESC comes from the factory pre-set and ready for use. If for some reason you should need to re-set the ESC, use
the following instructions.
1. Turn on the transmitter and ESC. Press the set-up button — both the RED and GREEN LEDs will come on.
2. Pull the throttle trigger all the way back (full speed) and press the set-up button once — only the GREEN LED will
come on.
. Push the throttle trigger full forward (brake/reverse) and push the set-up button once — only the RED LED will
come on.
4. Let the throttle trigger return to the neutral (center) position and press the set-up button once more to save the
program and exit set-up mode — only the GREEN LED will be on.
Notes:
A: If the receiver does not receive a signal from the Transmitter, the ESC will not enter the Program mode.
B: While in Program mode, the motor will not run.
C: If the set-up button is not pressed for 20 seconds while in the Program mode, the ESC will exit the Program mode
and the data will be saved.
Steering Rate
Your transmitter is equipped with a steering rate control to the left of the steering wheel. This advanced feature,
usually found only on competition-type radios, allows you to adjust the amount the front tires move when you turn the
steering wheel. This is really helpful when you are on slick, as well as high traction, surfaces. If your Mini-Slider turns
too sharply and/or spins out easily, try turning the steering rate down by rotating the knob counterclockwise (to the
left). For sharper or additional steering, try turning the knob clockwise (to the right).
Camber
Camber is the angle of the tires to the racing surface when viewed from the front
or rear of the truck. You want to keep both the front and rear tires straight up
and down or leaning in at the top very slightly. If you are running on carpet or
similar high traction surfaces, you may nd leaning the tires in a bit more helps.
This adjustment is made with the threaded links extending from the front or rear
bulkhead to the spindle carrier or rear hub. Making the camber rods shorter
increases the camber and lean-in of the tire, while making the camber rods
longer decreases the camber.
Service/Repair
Radio/Speed Control & Motor
If you have any problems other than those covered in the troubleshooting section, please call the electronics service
department at (877) 504-02. They will be able to give your specic problem additional attention and instruct you as
to what needs to be done.
Chassis
If you have any questions other than those covered in the troubleshooting or maintenance sections, please call
(877) 504-02.
Cleaning
Performance can be hindered if dirt gets in any of the moving suspension parts. Use compressed air, a soft
paintbrush, or toothbrush to remove dust or dirt. Avoid using solvents or chemicals as they
can actually wash dirt into the bearings or moving parts as well as cause damage to the
electronics.
Rebuilding the Differential
The gears in the differential will wear over time. The same is true for the outdrives,
driveshafts, and rear axles. We suggest using a small rag or paper towel to lay out the parts
you remove to make it easier to reassemble.
Disassembly
1. Unplug the motor.
2. Remove the gear cover (three screws).
. Remove the two screws at the extreme rear bottom of the chassis.
4. Remove the screw attaching the rear shock tower to the transmission and the four screws at the bottom of the
chassis holding the gearbox in place and slide it out of the chassis
5. Remove the left side of the gearbox by removing the three screws.
6. Remove any shims on the bevel gears and set them aside so they can
be reinstalled in the same location.
7. Carefully remove the large plastic sun gear and the bevel gears on
either side of it. You can use the removed differential assembly as a
guide for putting together the replacement unit (a little Team Losi Teon
grease #LOSA066 can be applied for even better performance).
8. Remove the center mounted idler gear from the gearbox. Remove
the shaft and push out the ball bearings from either side. Install these
bearings in the new gear.
Normal
More Camber
Normal More Toe-In
Less Rate
Full Rate
To remove gear cover
To remove transmission
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Changing the Pinion Gear/Gear Ratio
Before you change the pinion gear ask yourself why you are doing it. In general, if you change to a larger pinion the
top speed will improve but you will see less acceleration and run time. This would only be advisable for really long
track layouts with few tight turns. Changing to a smaller pinion will give you quicker acceleration and possibly a bit
longer run time but a little less top speed. This would be good for short layouts or when running hotter motors. The
pinion on the Mini-Slider offers the best balance of both. To change the pinion, remove the gear cover, loosen the
motor screws, and slide the motor back. Use a pair of small needle-nose pliers between the motor plate and back of
the pinion to push the pinion off. Place the new pinion on the end of the motor shaft and, using the at of the pliers or
a similar at tool, push it on to the same position as the one removed. See Setting the Gear Mesh below.
Warning: When running aftermarket motors, check with the motor manufacturer for correct gearing. Never over-gear
the motor as it can cause overheating, damaging it and the speed control.
Setting the Gear Mesh
The motor screws should be slightly loose. Slide the motor forward allowing the pinion gear
to mesh with the spur gear. Snug (not tight) the bottom motor screw and try rocking the spur
back and forth. There is a slight bit of movement before the motor is forced to turn over. If not,
pull the top of the motor back slightly and recheck. If there is too much slop between the gears,
push the top of the motor forward. When set properly the wheels can be spun forward freely
with very little noise. Make sure to tighten both motor screws and replace the gear cover before
running.
Steering Servo Installation/Removal
Unplug the servo lead from the receiver. Remove the four small screws that
secure the servo mount/chassis brace to the chassis. Use a screwdriver or small
pliers to pop the steering link off of the servo, so it can be removed. There is no
need to remove the servo mounts on either side as all service can be done with
them on. Replace in the reverse sequence used to remove it.
Receiver/Speed Control (ESC) Installation/Removal
Unplug the power lead, motor leads and steering servo. Do not attempt to open the receiver or electronic speed
control (ESC) as only a factory technician has the proper tools and parts to make any repairs necessary. The
receiver and ESC are mounted with double-sided foam tape. Use your thumb and index nger at the bottom of the
front corners to pull them from the mount. If this is difcult, ask for help. If necessary, carefully use a large at blade
screwdriver between the unit and the mount to pry it loose. Make sure you remove any left over foam or adhesive
before remounting with common servo tape or hobby type foam tape.
Reassembly
Replace the idler gear and shaft into the center of the same right side of the gearbox. Replace any shims removed
from the right bevel gear and slide it through the lower bearing. Replace any shims that came off of the left side bevel
gear and allow it to slide through the lower bearing as you put the left gear box half back into position. Replace the
screws and reinstall the rebuilt gearbox using the steps in reverse order that were used to remove it.
Changing the Spur Gear
Remove the gear cover by removing the three small screws. If you are replacing the spur gear with one of a different
size (number of teeth), you must rst loosen (do not remove) the two screws that secure the motor and slide it back
slightly. Remove the mm nut at the end of the slipper shaft and all of the slipper parts on the outside of the spur gear
as well as the old gear. Place the new spur gear into position and replace the slipper parts. If you have changed the
size of the spur, see Setting the Gear Mesh below. After you have changed the spur gear, you will have to adjust the
slipper as described elsewhere.
Step 3
Remove the top E-clip from the
shock shaft. Remove the shock
piston. Remove second E-clip.
Remove the old cartridge.
Put a drop of oil on the shock
shaft before installing a new shock
cartridge.
Step 1
After removing the shock,
push up on the lower spring
cup and remove it from the
shaft. Remove the spring and
preload spacers.
Step 2
Turn the shock upside down
and remove the black shock
cartridge/shaft assembly
from the shock body by
turning it counterclockwise.
Note: If you only wish to
change or ll the shock uid,
skip to step 5.
Step 4
Reinstall the lower E-clip.
Slide the shock piston onto
the shock shaft against the
E-clip. Reinstall the top E-clip.
Step 7
Turn the shock over and use
a #0 Phillips screwdriver to
remove the small bleed screw
at the top of the shock. Slowly
push the shock shaft up until it
stops. Excess uid should ow
out of the bleed hole. Slowly
pull the shock shaft halfway
back and replace the bleed
screw. Use pliers to tighten
the cartridge, being careful not
to strip the plastics lobes on
the cartridge.
Step 5
If you plan on completely
changing the shock uid
(suggested), dump out the
old uid from the shock body.
Carefully ll the shock body
with uid to the bottom of the
threads inside the shock body.
Note: Your Mini-Slider comes
with 100wt shock uid from
the factory.
Step 6
Pull the shaft out so the
piston is next to the
cartridge and reinstall the
assembly into the shock
body, turn in a clockwise
direction until snug—DO NOT
TIGHTEN yet!
Step 8
Replace the spring and
spring cup and test the shock
action for smoothness and
leaks. Retighten the bleed
screw or cartridge if either
leaks. Remount the shock on
your truck.
** Production shock parts may differ from those shown in above drawings.
Servo Removal
Remove these 4 screws
Rebuilding/Relling the Shocks
Rebuilding/Relling the Shocks
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LOSI DSM Radio System
This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) This device may not
cause harmful interference, and (2) this device must accept any interference received, including interference that may cause unde-
sired operation.
Caution: Changes or modications not expressly approved by the party responsible for compliance could void the user’s authority
to operate the equipment.
This product contains a radio transmitter with wireless technology which has been tested and found to be compliant with the ap-
plicable regulations governing a radio transmitter in the 2.400 GHz to 2.485 GHz frequency range.
The following countries associated regulatory agencies recognizing the noted certications for this product as authorized for sale
and use are:
USA - Belgium - Canada - Denmark - Finland - France - Germany - Italy - Netherlands - Spain - Sweden - UK
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Printed in China
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