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Team Losi JRX-S Owner's Manual
Team Losi JRX-S Owner's Manual

Team Losi JRX-S Owner's Manual

1/10th scale expert racing sedan

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Summary of Contents for Team Losi JRX-S

  • Page 2 Welcome Team Losi JRX-S Owner! Thank you for selecting the JRX-S as your new racing sedan. The JRX-S has already distinguished itself as a top caliber racing chassis and as you will see, we have made every effort to produce a kit that is not only the most competitive but also easy to build and maintain.
  • Page 3 12. Filled-out JRX-S Kit Setup Sheet .......26 Team Losi is continually changing and improving designs; therefore, the actual part may appear slightly different than the illustrated part. Illustrations of parts and assemblies may be slightly distorted to enhance pertinent details.
  • Page 4 (SEE TABLE) Wide Optional Servo (NOT SUPPLIED) Table 2: Servo Installation Table for the JRX-S Expert Racing Sedan. Std. 3/16” • Ensure the servo gear is centered before attaching the Servo Horn. This is best accomplished by connecting the servo to the radio sys- tem and setting the trim to center.
  • Page 5 BAG A STEP A-03 Servo Installation  • Once the Servo Mounts are secured to the Chassis, ensure the servo is centered in-between the Mounts and tighten the four 4-40 x 3/8” Cap Head Screws. 4-40 x 3/8”  STEP A-04 Steering Assembly ...
  • Page 6 BAG A STEP A-06  Top Plate Installations #4 x .030” 4-40 x 5/16” A1543 Steering Link A4302 Top Plate, Rear 4-40 x 3/8”  STEP A-07 Bag A Completed Assembly...
  • Page 7 BAG B STEP B-01  Drive Pulley Assemblies CENTER DRIVE HUB; ONE-WAY CONFIGURATION REAR DRIVE HUB A3323 ASSEMBLED FRONT LOCTITE Drive Pulley, ONE-WAY DRIVE HUB Front/Rear (BACK SIDE) A3323 A3321 Spool Hub, One-Way Hub, Front Front A3323 2-56 x 3/16” Drive Pulley, Front/Rear A3322...
  • Page 8 BAG B STEP B-03  Differential Assembly 5mm x 8mm A6951 3/32" Diff Ball, Carbide A3211 Belleville Diff Pulley, 42T CLEAR GREASE A3018 Caged Thrust Bearing GREASE A3070 CLEAR Diff Ring GREASE A3018 Thrust Washer A3078 Foam Diff Seal A3078 Diff Screw A3310 Diff Outdrive,...
  • Page 9 BAG B STEP B-05  Spur Gear Installation CENTER SPOOL ASSEMBLY CENTER ONE-WAY ASSEMBLY 4mm E-Clip 4mm E-Clip SOLID SOLID 0.067” x 7/16” 0.067” x 7/16” One-Way Spool Drive Hub Drive Hub A3970 A3970 Spur Gear, 128T, 64P Spur Gear, 128T, 64P ...
  • Page 10 BAG C STEP C-01  LCD and Spindle Assembly A9757 Short .345” Shrink Tubing Spindle Carrier, 4 (.5in) A3336 LCD Driveshaft (12.7mm) SOLID A1233 A3335 Steering Bushing 1/16” x 5/16” LCD Coupler A3334 A3335 LCD Axle Shrink Tubing (Black) Std. 3/16” GREASE 4-40 x 5/16”...
  • Page 11 BAG C STEP C-03  Front Shock Tower Assembly 4-40 x 3/4” L 4-40 x 1/4” A9745 Shock Tower, Front 4-40 x 5/16” LOCTITE Female  STEP C-04 Front Suspension Installation • Be sure to install the Locating Pin Screws before attaching the Pivot Blocks to the Chassis.
  • Page 12 BAG C STEP C-05  Tierod Assembly and Installation • Use the Team Losi fl at wrench to hold the Turnbuckle while installing the short Rod A6010 Ends. Front Camber Tierod Rod End, Short • Be sure to install the assembled Tierod onto...
  • Page 13 BAG D STEP D-01  CVD and Hub Assembly SOLID .065” x 7/16” LOCTITE A3331 4-40 x 3/32” CVD Dogbone Short 1/4” A9847 Hub Carrier, Rear, 0 A3330 CVD Coupling GREASE A9928 CVD Axle 3/16” x .130” 3/16” x 3/8” 3/16”...
  • Page 14 BAG D STEP D-03  Rear Shock Tower Assembly A4239 Body Post, Rear A9846 Shock Tower, Rear L 4-40 x 1/4” 4-40 x 3/4” LOCTITE 4-40 x 1/2” L 4-40 x 3/16” Female 4-40 x 5/16”  STEP D-04 Rear Suspension Installation •...
  • Page 15 BAG D STEP D-05  Tierod Assembly and Installation • Use the Team Losi fl at wrench to hold the Turnbuckle while installing the short Rod Ends. • Be sure to install the assembled Tierod onto the car with the chamfer (beveled portion of the square) on the driver’s right side for...
  • Page 16 BAG E STEP E-01 STEP E-02  Shock Assembly  Final Shock Assembly • Thread the 2-56 x 5/16” Cap Head Screw into Shock Shaft us- • Ensure the Shaft is fully extended when fi lling the Shock. ing a 5/64” (or 2mm) Allen wrench. •...
  • Page 17 BAG E STEP E-03 STEP E-04  Front Shock Installation  Rear Shock Installation • Recall: Place shocks containing two dots, on the • Recall: Place shocks containing two dots, on the cap, on the left side of the car, and the shocks cap, on the left side of the car, and the shocks containing one dot, on the cap, on the right side containing one dot, on the cap, on the right side...
  • Page 18 BAG F STEP F-01  Bumper Assembly and Install A4239 Body Post A4239 Upper Bumper A4234 Foam Bumper L 4-40 x 3/16” A4239 Lower Bumper 4-40 x 3/8”  STEP F-02 Receiver Installation • It is very important to keep the servo wires away from the drivetrain components.
  • Page 19 BAG F STEP F-03 STEP F-04  Speed Control Installation  Battery Foam Installation • Secure the Speed Control Wires to the Rear Top Plate by sticking them down with two Battery Foam pads. Electronic Speed Control A4004 (NOT SUPPLIED) Double-Sided Tape (Cut to Desired Size) A4320...
  • Page 20 BAG F STEP F-06  Battery and Tray Installation 4-40 x 3/8” A4308 Battery Tray  STEP F-07 Wheel and Body Clip Installation Place Body Clip in hole #11 for Place Body Clip SKODA2 Body in hole #5 for SKODA2 Body Mount the Tires of choice A7807 per the manufacturer’s...
  • Page 21 BAG F STEP F-08  Body Painting and Mounting Painting: Prepare the Lexan® Body and Wing for painting by washing them thoroughly (inside and out) with warm water and liquid detergent. Dry both the Body and Wing with a clean, soft cloth. Use the supplied Window Masks to cover the windows from the inside. A high-quality masking tape should be used on the inside of the Body to mask off any stripes, panels, or designs that you wish to paint on the Body or Wing.
  • Page 22 BAG F STEP F-09  Bag F Completed Assembly 4-40 x 5/16” Al A8063 Skoda2, Body and Wing FL 4-40 x 1/4”...
  • Page 23 All of us at Team Losi are sure that you will fi nd the JRX-S Expert Racing Sedan to be the most versatile and easiest car to drive fast, with great consistency. We hope the information in the following guide helps you to enjoy your JRX-S Sedan, and racing it, as much as we do.
  • Page 24 Tuning the Front End of the JRX-S Shock Location: The JRX-S has three mounting locations on the front shock tower. Leaning the shocks in (moving them closer to the center of the tower) will give a smoother transition as the car enters into the corner and improve consistency but will yield less total steering and a slower reaction.
  • Page 25 Tuning the Rear End of the JRX-S Toe-In: Having the same defi nition as for the front end, the toe-in can be adjusted on the JRX-S with either the rear outer pivot or the rear hubs. The stock toe-in is 2 degrees of inboard and 0 degrees in the hub. Increasing rear toe-in will increase forward traction and initial steer- ing, but reduce straightaway speed.
  • Page 26 Additionally, moving the rear arms forward/back will increase/decrease rear traction. Roll Center: The roll centers of the JRX-S can be easily adjusted by fl ipping the pivot blocks (that came with the kit) and/or by adding equal shims under the inner and outer pivots.
  • Page 28: Ball Bearings

    HARDWARE Cap Head Flat Head Button Head 4-40 x 1/8” (A6227) 2-56 x 5/16” (A5330) 2-56 x 3/16” (A6239) 2-56 x 1/4” (A6232) 4-40 x 7/16” (A6248) 4-40 x 3/8” (A6206) 4-40 x 3/8” (A6210) 4-40 x 1/4” (A6234) Locating Pin (A6243) 4-40 x 1/2”...