Introduction Thank you for purchasing the Tekno RC NT48.3 1/8th 4WD Nitro Competition Truggy. The NT48.3 represents the state-of-the-art in 1/8th nitro truggy technology. We hope you have as much fun driving your new vehicle as we did developing it. We are always working on new projects, so please check our website (www.teknorc.com) regularly for the latest news, parts, and kits. Thanks again.
Bag A Front Differential (overview) TKR5114X TKR5144 TKR5150 TKR5113 TKR5143 TKR5149 *TKR5149A (Option) TKR5150 TKR5403 TKR5114X TKR5145B Step A-1 Step A-2 TKR5150 TKR5144 Apply grease to the groove where the o-ring is placed as well as the o-ring itself TKR5149 *TKR5149A (Option) Grease TKRBB08165 Grease Apply grease to the groove in the outdrive x4 TKR1325 M3x14mm Flat Head Screw Step A-3 f if DOil x2 Step A-4 Apply a liberal amount of grease in the areas between the shims and o-rings, as
Bag B Center Differential (overview) TKR5112X TKR5113 TKR5150 TKR5143 TKR5149 *TKR5149A (Option) TKR5150 TKR5119 *TKR5415B (Option) TKR5112X TKR5150 Step B-2 TKR5145B Step B-1 Apply grease to the groove where the o-ring is placed as well as the o-ring itself TKR5144 TKR5150 TKR5149 *TKR5149A (Option) Grease TKRBB08165 Grease Step B-4 Apply grease to the groove in the outdrive x4 TKR1325 M3x14mm Flat Head Screw x2 TKR5144 Differential 0-rings Step B-3 f if DOil Apply a liberal amount of g
Bag C Rear Differential (overview) TKR5114X TKR5113 TKR5150 TKR5143 TKR5149 *TKR5149A (Option) TKR5150 TKR5404 TKR5114X TKR5150 Step C-2 TKR5145B Step C-1 Apply grease to the groove where the o-ring is placed as well as the o-ring itself TKR5144 TKR5150 TKR5149 *TKR5149A (Option) Grease TKRBB08165 Grease Apply grease to the groove in the outdrive x4 TKR1325 M3x14mm Flat Head Screw x2 TKR5144 Differential 0-rings Step C-3 f if DOil Step C-4 Apply a liberal amount of grease in the areas betwe
Bag D Front Gearbox (overview) TKR5401 TKR1603 TKR5428 TKR5012 TKRBB05114 TKR1222 TKR1529 TKR5075 TKR5405 TKR5012 TKR1226 TKRBB05114 TKR1222 TKR1525 x6 TKR1603 Step D-1 Note: flat spot TKRBB05114 Note: The front and rear of the car use different inner bulkheads. The front is angled whereas the rear is offset and only slightly angled.
TKR1322 Bag E TKR5346 Center Differential Assembly (overview) TKR1522 TKR1522 TKR5345B TKR5310 TKR5368 TKR5314B TKR5213A TKR5310 TKR5368 TKR5310 TKR5336B TKR5314B TKR5345B TKR5314B TKR5215B TKR1601 TKR5310 TKR1402 TKR5338 TKR5336B TKR5213A TKR5310 TKR5368 TKR5362 Step E-1 TKR1402 TKR5310 Note: Use CA glue to attach risers to diff support bottoms CA glue TKR5213A Pre-thread all brake post holes with a separate M3 screw TKR1601 Step E-2 Note: Tighten brake posts (TKR5213A) all the way
Bag F TKR1603 Rear Gearbox (overview) TKRBB05134 TKR5405 TKR5401 TKR5429 TKR1222 TKR5075 TKR1226 TKR1529 TKRBB05134 TKR5316 TKR1222 TKR5316 TKR1525 TKR1525 TKR1603 Step F-1 Note: flat spot TKRBB05134 Note: The front and rear of the car use different inner bulkheads. The front is angled whereas the rear is offset and only slightly angled.
Bag G SETTINGS Low Profile Wing Mount POSITION SETTINGS 1 2 3 4 Step G-1 TKR5181 TKR1524 1 2 3 4 1 - REARWARD LOW 2 - FORWARD LOW 3 - REARWARD HIGH 4 - FORWARD HIGH Note: Stock position setting is # 3, Rearward High DOWNFORCE SETTINGS 4° 7° 10 ° (downforce angles) Note: Stock downforce setting is 4° TKR1524 Step G-2 TKR1221 TKR1201 TKR1529 TKR1221 x2 TKR1201 TKR1201 M3 Lock Nut Black x2 TKR1221 M3x8mm Washer TKR1529 x6 TKR1524 M3x12mm Cap Head Screw x4 TKR1529 M3x20mm Cap Head Screw
Bag H TKR5493 - 2.6mm *TKR5490 - 2.3mm *TKR5491 - 2.4mm *TKR5492 - 2.5mm *TKR5494 - 2.8mm *TKR5495 - 3.0mm (Option) Rear End Step H-1 TKR5086 30.2 TKR1601 Note: Do not over-tighten TKR1601 Step H-2 Install the sway bar ball onto the sway bar wire until the end of the wire is flush with the ball as picture above.
Bag I Rear Hub/CVA Assembly TKR5073 Note: Notch on pin needs to line up with set screw. TKR5472 TKR5070 TKR5199 (Option) *TKR5199A Step I-1 TKR5073 TKR5071 (Option) *TKR5071B *TKR5071C *TKR5071X Grease Thread Lock TKRBB13194 TKRBB08165 TKR1603 Step I-2 x4 TKR1201 M3 Locknut Black x4 TKR1601 M3x4mm Set Screw TKR1201 TKR5034 x2 TKR1603 M5x4mm Set Screw x2 TKR1201 TKR5071 M3x16.
Bag I This side mounts on shock tower Note: flange Rear Camber Links TKR5187 TKR5187 TKR5052A Left TKR5053A This side mounts on hub Note: no flange TKR5187 TKR5450 TKR5450 TKR5187 This side mounts on shock tower Note: flange Step I-3 Right TKR5052A This side mounts on hub Note: flange TKR5053A Note: notch always goes on left side of vehicle Step I-4 71.50 TKR1201 TKR1201 TKR1529 x4 TKR1529 TKR1201 M3 Locknut Black x4 TKR1529 M3x20mm Cap Head Screw x2 TKR5052A Pivot Ball M3x6.
Bag J TKR5482 - 2.5mm *TKR5480 - 2.3mm *TKR5481 - 2.4mm *TKR5483 - 2.6mm *TKR5484 - 2.8mm *TKR5485 - 3.0mm (Option) Front End Step J-1 TKR5086 30.2 TKR1601 Note: Do not over-tighten Step J-2 Install the sway bar ball onto the sway bar wire until the end of the wire is flush with the ball as picture above.
Bag K Front Spindle / CVA Assembly TKR1445 TKR5472 Note: notch on pin needs to line up with set screw. TKR5070 TKR5073 Step K-1 TKR5054A TKR5193 TKR1601 TKR5073 x8 TKR5071 (Option) *TKR5071B *TKR5071C *TKR5071X TKR1221 M3x8mm Washer Thread Lock Grease x2 TKR5194 TKR1401 M3x6mm Button Head Screw TKRBB13194 TKRBB08165 TKR1445 x4 TKR1445 M4x14mm Button Head Screw x4 TKR1601 Note: The TKR1601 set screws are meant to keep the TKR1445 screws from coming loose.
Bag K Front Camber Links TKR5052A This side mounts on shock tower Note: flange TKR5187 TKR5187 Left TKR5053A This side mounts on hub Note: no flange Right TKR5187 TKR5451 TKR5451 Step K-4 TKR5187 TKR5052A This side mounts on shock tower Note: flange TKR5053A This side mounts on hub Note: no flange Note: Notch always goes on left side of vehicle Step K-5 63.
TKR5100 Bag L TKR1201 Steering Assembly (overview) TKRBB06103 TKR5103 TKR1221 TKR5052A TKR5104 TKR5123 TKR5056 TKRBB050825 TKR5052A TKR5104 TKR5101X TKR1529 TKR5231 TKRBB06103 TKR1323 TKR5103 Step L-1 Step L-2 Thread Lock Note: Tighten nut all the way down, then back it off 3 full turns x2 Note: Apply a small drop of oil for easy o-ring installation.
Bag M TKR1443 Front End Assembly Thread Lock Step M-1 Note Step M-2: Line up the bottom of the steering posts (TKR5102A) with the corresponding recessed cut in the chassis. TKR5102A TKR1443 Step M-2 TKR1529 Note: Inititial bumpsteer setting is four washers below the steering ball link. TKR1221 Note: On steps M-2 and M-3, do not tighten the screws all the way down until the assembly steps are complete. Position the entire front assembly on the chassis and tighten each screw evenly.
Bag N Center/Rear Assembly TKR5377 *TKR5377A (Option) Step N-1 TKR5407 TKR1344 TKR1343 Step N-2 TKR1443 Note: Two rear chassis braces are included in the kit. The longer brace is the stock brace. The short brace is optional. The longer brace will provide less flex. Adding the short brace will further stiffen the chassis. Running only the short brace will provide the most flex.
Shock Filling Instructions For both front and rear shocks The following steps and information will provide you with the best way to fill and bleed your shocks. After thorough testing, we've found it's easiest to complete steps 1 through 3 on each shock before moving onto step 4. By the time you've finished step 3 on the last shock the first one will be ready for step 4. Standard or Vented Cap Build: Step 1: Extend the shock shaft all the way down. Fill the shock with oil until the it is about 90% full.
Bag O Step O-1 Front Shock Assembly Note: Shaft guide orientation TKR6015 TKR6008 TKR1200 (conical) TKR6051 (tapered) *TKR6050 *TKR6159 *TKR6052 *TKR6160 *TKR6053 (Option) *TKR6054 *TKR6063 *TKR6064 *TKR6065 (Option) TKR6009 TKR6016 Note: Make sure to tighten both cartridge cap (TKR6015) and shock cap (TKR6003B) to ensure a proper seal. Tools may be required.
Bag P Step P-1 Rear Shock Assembly TKR1200 Note: Shaft guide orientation TKR6015 TKR6008 (conical) TKR6051 (tapered) *TKR6050 *TKR6159 *TKR6052 *TKR6160 *TKR6053 (Option) *TKR6054 *TKR6063 *TKR6064 *TKR6065 (Option) TKR6009 Note: Conical side up TKR6060 Note: Make sure to tighten both cartridge cap (TKR6015) and shock cap (TKR6003B) to ensure a proper seal. Tools may be required.
Bag Q TKR1525 Step Q-1 RX Tray Mud Guard Note: we recommend using a servo with at least 300 oz/in torque. TKR1221 Electronics (not included) Screws (not included) TKR5317 Step Q-2 TKR1401 TKR1525 TKR1525 TKR1221 Switch (not included) TKR1221 Electronics (not included) Note: We recommend using a piece of thin foam or other type of padding under the battery to reduce shock.
Bag Q Mud Guard Installation Note: Do not overtighten radio tray screws. Step Q-4 Step Q-5 TKR1343 TKR1323 Note: Do not overtighten mud guard screws.
Bag R Air Filter / Clutch TKR1323 TKR5324 Step R-1 TKR5324 *TKR5363 (Option) (foams only) TKR5324 *TKR5363 (Option) (foams only) TKR5324 TKR5324 Note: Your kit contains 3 sets of clutch springs. 0.9mm (green), 1.0mm (gold), and 1.1mm (red) springs are included. The stock setting is to use (2x) 1.0mm springs on opposing shoes and then use (2x) 1.1mm springs on the other shoes. If the track is very high bite you can use (4x) 1.1mm springs for more ‘pop’.
Bag S TKR5323 TKR1603 Thread Lock Engine / Pipe Installation TKR5321 TKR5321 Step S-1 VERY IMPORTANT - With the set screws that secure the pipe hanger wire set loose, install pipe onto pipe hanger wire. Adjust the wire such that the pipe and the manifold connections from the engine are not bent or angled. The pipe must fit naturally. You may need to bend the pipe hanger wire to accomplish this. Then tighten the set screw that secures the wire to the wire hanger block.
Bag T Steering Linkage TKR1201 TKR5058A TKR5056 TKR1221 TKR5320 *TKR5251B *TKR5252B *TKR5253B (Option) Step T-1 TKR5357 TKR5056 TKR1325 TKR1407 TKR1221 Step T-2 TKR1201 Step T-3 x2 TKR1201 M3 Lock Nut Black x2 TKR1221 M3x8mm Washer x1 TKR1325 M3x14mm Flat Head Screw x1 TKR1407 M3x16mm Button Head Screw L ALLE PAR x2 TKR5058A Pivot Ball M3x5.8mm No Flange Note: Offset servo arm so it is parallel with the connecting arm at neutral or zero servo position.
Bag T TKR1609 Thread Lock Brake Linkage Step T-4 TKR5331 Step T-5 TKR1325 Thread Lock BEFORE TKR5336B Note: This rod has small threaded section Note: TKR5336B should spin freely. TKRBB050825 TKR1221 TKR5320 AFTER TKR5336B TKRBB050825 TKR1201 Note: Set collars up to appear close to this diagram. TKR5331 Step T-6 TKR1609 Note: Set collars up to appear close to this diagram.
TKR1401 Bag U Step U-2 Fuel Tank TKR1524 Step U-1 TKR1221 TKR5440B TKR5440B TKR5440B TKR5341 Step U-3 TKR1323 *Align the fuel tank posts to the cutouts in the chassis x2 TKR1221 M3x8mm Washer x2 TKR1323 M3x10mm Flat Head Screw x4 TKR1401 M3x6mm Button Head Screw Step U-4 Note: Image depicts typical fuel tube routing used on our truggy. Pick up line is shown in yellow. Pressure line is shown in blue.
Bag V TKR1220 Wing and Body TKR5181 TKR1325 TKR1220 TKR5181 Step V-1 TKR5037 *TKR5037B *TKR5037Y (Option) TKR1201 Step V-2 TKR5116 *TKR5116B *TKR5116C (Option) x2 TKR1201 M3 Lock Nut Black Step V-3 X2 TKR1220 M4 Countersunk Washer TKR1235 x2 TKR1325 M3x14mm Flat Head Screw x2 TKR1235 Body Clip TKR1235 x4 TKR5116 Wheel Nut 29
TKR5406 - NT48.3 1/8th Competition Nitro Truggy Kit Parts List TKR4213 - Clutch Bell (13t, NT48) TKR5012 – Gearbox (front) TKR5020 – Hinge Pins (inner, front/rear) TKR5027 – Shock Standoffs (2pcs) TKR5034 – Hinge Pins (outer, rear) TKR5037 – Wing (white) TKR5049A – Pivot Balls (6.8mm, no flng, sway bar, shck ends, almnm, 4pcs) TKR5052A – Pivot Balls (6.8mm, inside camber, steering links, aluminum, 4pcs) TKR5053A – Pivot Balls (6.
Box Stock 4 0 4 0 1 650 600 Tekno Tekno 8x1.3 cone up 8x1.3 cone up 3 green 37 40 -2 -2 green 0 0 STD STD 10k 5k 15 deg 0 deg 8.5 deg 2 deg .5 deg out 3 deg in 2.5 2.
Tekno RC 10755 Scripps Poway Pkwy #598 San Diego CA 92131 USA