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Tekno RC NB48.4 Building Instructions

1/8th scale 4wd competition nitro buggy kit
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Summary of Contents for Tekno RC NB48.4

  • Page 2 4mm arm reamer (or #19 drill bit) Disclaimer: Tekno RC is not responsible or liable for any property or personal damage, loss, or injury incurred as a result of using this product. This kit is meant for use by persons 14 years of age or older and in the strict con nes of a legally permitted RC track or facility.
  • Page 3 Bag A Center Differential TKR5112X (overview) TKR5144 TKR5150 TKR5113 TKR5143 TKR5149 *TKR5149A (Option) TKR5150 TKR5415C TKR5112X TKR5150 Step Step TKR5145B TKR5144 TKR5150 Apply grease to the groove where the o-ring is placed as well as the o-ring itself TKR5149 Grease *TKR5149A (Option) TKRBB08165...
  • Page 4 Bag B TKR5114XB Front and Rear Differential (overview) TKR5144 TKR5113 TKR5150 TKR5143 TKR5149 *TKR5149A (Option) TKR5150 TKR8151B TKR5114XB Step TKR5150 Repeat for rear di TKR5145B Step TKR5144 TKR5150 Repeat for rear di TKR5149 *TKR5149A Grease (Option) Apply grease to the groove where the o-ring is placed as well as the o-ring itself TKRBB08165...
  • Page 5 Bag C TKR1603 Front Gearbox TKR5268 (overview) TKRBB05114 TKR1222 TKR5075 *These may not be needed TKR8152B TKR1226 TKRBB05114 TKR5012 TKR1222 TKR5012 TKR1525 x6 *These may not be needed TKR1603 Note: at spot Step Note: The front and rear of Thread Front the car use di erent inner Lock...

  • Page 6: Rear Gearbox

    Bag D TKR1603 Rear Gearbox TKR5269 (overview) TKRBB05134 TKR1222 *These may not be needed TKR8152B TKR5075 TKR5181 TKR1226 TKRBB05134 TKR1529 TKR5016B TKR1525 TKR1222 TKR5016B *These may not be needed TKR1525 Inner Bulkheads TKR1603 Step Note: at spot TKRBB05134 Note: The front and rear of Front TKRBB05134 the car use di erent inner...
  • Page 7 TKR1322 Bag E TKR5341 Center Differential Assembly (overview) TKR1522 TKR1522 TKR5345B TKR5310 TKR5368 TKR5314B TKR5213A TKR5310 TKR5368 TKR5310 TKR5336B TKR5314B TKR5345B TKR5314B TKR5215B TKR1601 TKR1402 TKR5338 TKR5336B TKR5213A TKR5368 TKR1601 TKR1402 TKR5362 Step Step Note: Tighten brake posts TKR5213A (TKR5213A) all the way down and then back o TKR5215B Pre-thread all brake...
  • Page 8 Bag F SETTINGS Low Profile Wing Mount POSITION SETTINGS Step 1 - REARWARD LOW 2 - FORWARD LOW 3 - REARWARD HIGH 4 - FORWARD HIGH Note: Stock position setting is TKR5181 #2, Forward Low TKR1524 DOWNFORCE SETTINGS ° ° °...
  • Page 9 Bag G Rear End TKR5491 - 2.4mm *TKR5490 - 2.3mm *TKR5492 - 2.5mm *TKR5493 - 2.6mm TKR5086 *TKR5494 - 2.8mm Step *TKR5495 - 3.0mm (Option) 30.2 TKR1601 Note: Do not overtighten Pivot Ball Orientation Rear Step TKR1601 Front Install the sway bar ball onto the Thread sway bar wire until the end of Lock...
  • Page 10 Bag H Rear Hub/CVA Assembly Note: Notch on pin needs to line up with set screw. TKR8087 TKR8040A Step TKR5071 *TKR5071B *TKR5071C *TKR5071X (Option) Thread Lock TKRBB13194 TKR1603 TKRBB08165 Step TKR1201 TKR1201 M3 Locknut Black TKR8034 TKR1601 M3x4mm Set Screw TKR1201 TKR1603 M5x4mm Set Screw...

  • Page 11: Actual Size

    Bag H Rear Camber Links TKR5187 Left/Right x 2pcs TKR8052A TKR5050 Step TKR8052A TKR5187 Note: Notch always goes Actual Size on left side of vehicle 38.50 Step TKR1201 TKR1201 TKR1529 TKR1534 TKR1201 M3 Locknut Black TKR1529 M3x20mm Cap Head Screw A B C TKR1534 M3x22mm Cap Head Screw...

  • Page 12: Front End

    Bag I TKR5081 - 2.3mm Front End *TKR5080 - 2.2mm *TKR5082 - 2.4mm *TKR5083 - 2.5mm *TKR5084 - 2.6mm TKR5086 Step *TKR5085 - 2.8mm *TKR5087 - 3.0mm (Option) 30.2 TKR1601 Note: Do not overtighten Pivot Ball Orientation Rear Thread Lock Step Front TKR1601...
  • Page 13 Bag J Front Spindle / CVA Assembly TKR8042 Note: Notch on pin needs to line up TKRBB05104 TKR8087 with set screw. Step TKR5071 (Option) TKR8041 *TKR5071B *TKR5071C *TKR5071X TKR1601 TKR8194A Thread Lock TKRBB05104 TKRBB13194 TKR1601 TKR1603 TKR8042 TKRBB08165 Note: The TKR1601 set screws are meant to keep the TKR8042 screws from coming loose. After installing TKR8042 TKR1201 and ensuring the steering action is free, install TKR1601 in the locations indicated.
  • Page 14 Bag J Front Camber Links TKR8052A This side mounts TKR5187 on shock tower Note: raised ange Left Right TKR5187 TKR5053A TKR5187 This side TKR5550 TKR5550 mounts on hub Note: no ange TKR8052A TKR5053A This side mounts This side Step TKR5187 on shock tower mounts on hub Note: raised ange...

  • Page 15: Steering Assembly

    TKR8100 TKR1403 Bag K TKR1201 Steering Assembly TKRBB06103 TKR1221 (overview) TKR5103 TKR8052A TKR5123 TKR5056 TKR8104 TKRBB050825 TKR8052A TKR1529 TKRBB050825 TKR8104 TKR5122 TKR8104 TKR5101X TKR5122 TKR5231 TKRBB06103 TKR1403 TKR5103 Step Thread Lock Step Thread TKRBB050825 Lock Note: Tighten nut all the way down, TKR8100 then back it o 3 full turns TKRBB050825...
  • Page 16 Bag L TKR1443 Thread Front End Assembly Lock TKR5181 Step Step TKR8104 Note: On step L-4: Line up the bottom of the steering posts (TKR5102A) with the corresponding recess cut in the chassis. TKR1323 TKR5102A TKR1443 Step Note: Initial bumpsteer setting is four washers below the steering ball link.
  • Page 17 Bag M Center/Rear Assembly TKR5377 *TKR5377A *TKR5296 (Option) Step TKR8303 TKR1344 TKR1343 TKR1528 Step Step TKR1443 TKR8320 TKR1528 TKR8320 (optional) (optional) (stock) Note: Three rear chassis braces are included in the kit. The shortest brace is the stock brace and provides the most ex characteristics. The other two are optional.
  • Page 18 Bag N Front Shock Assembly Step Step Step Step TKR1200 Refer to lling instructions on TKR6165 page 20 during *TKR6160 this step. *TKR6162 *TKR6163 (Option) TKR8702 *TKR6003 *TKR6003B TKR6017 (Option) *TKR6017T (Option) Note: TKR6015 Shaft guide orientation Note: Use green slime or oil on Use #550wt oil shock shaft...

  • Page 19: Rear Shock Assembly

    Bag O Rear Shock Assembly Step Step Step Step TKR1200 TKR6165 Refer to lling *TKR6160 *TKR6162 instructions on *TKR6163 (Option) page 20 during this step. TKR6061 TKR8702 *TKR6061T *TKR6003 (Option) *TKR6003B (Option) Note: TKR6015 Shaft guide Note: Use green orientation slime or oil on shock shaft threads AND...
  • Page 20 Shock Filling Instructions For both front and rear shocks We've found it's easiest to complete steps 1 & 2 on each shock before moving on to step 3. By the time you've nished step 2 on the last shock, the rst one will be ready for step 3. Step 1.
  • Page 21 Bag P TKR1525 Note: We recommend Step using a servo with at RX Tray Mud Guard least 300 oz/in torque. TKR1221 Electronics (not included) Screws (not included) TKR5317 Step 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...
  • Page 22 Bag P Mud Guard Installation Step TKR1343 Note: Do not overtighten radio tray screws. Step TKR1323 Note: Do not overtighten mud guard screws. TKR1323 M3x10mm Flat Head Screw TKR1343 M4x10mm Flat Head Screw...
  • Page 23 Bag Q Air Filter / Clutch TKR1323 TKR5324 Step TKR5324 *TKR5363 (Option) TKR5324 (foams only) *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 Step included.
  • Page 24 Bag R TKR5323 TKR1603 Engine / Pipe TKR5321 Installation Thread TKR5321 Step Lock 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 TKR1228 connections from the engine are not bent or angled.

  • Page 25: Steering Linkage

    Bag S Steering Linkage TKR1201 TKR5058A TKR5056 TKR1221 TKR6252 TKR5320 TKR5056 *TKR5251B Step *TKR5252B *TKR5253B (Option) TKR1325 TKR1407 TKR1221 Step TKR1201 Step TKR1201 M3 Lock Nut Black TKR1221 M3x8mm Washer TKR1325 M3x14mm Flat Head Screw TKR1407 M3x16mm Button Head Screw TKR5058A Note: O set servo arm so it is parallel with the connecting arm at neutral or zero servo position.
  • Page 26 Bag S TKR5331 Step TKR1609 TKR1325 Thread Brake Linkage Lock Thread Lock Step Note: TKR5336B should spin BEFORE freely. TKRBB050825 TKR5336B Note: This rod has small TKR1201 threaded section TKR5320 AFTER TKR5336B TKRBB050825 TKR1201 Note: Set collars up to appear TKR5331 close to this diagram.
  • Page 27 Bag T TKR1401 Step Fuel Tank TKR1524 TKR1221 TKR5340C Step TKR5340C TKR5340C TKR5341 Step TKR1323 *Align the fuel tank posts to the cutouts in the chassis Step TKR1221 M3x8mm Washer Note: Fuel tubing wraps around the tank 1 1/2 times TKR1323 M3x10mm Flat Head Screw from the pick up...
  • Page 28 TKR1325 Bag U TKR1220 TKR1220 Wing/Wheels/Body TKR5181 TKR5181 Step Wing Hole Options (Use Dimples as Hole Cutting Guides) TKR5292W *TKR5292K *TKR5292Y (Option) TKR1201 Most Downforce (Use as many holes as you see t to ne tune the amount of downforce the wing creates.) Least Downforce Step Wheels/Tires (not included)
  • Page 29 TKR1115 – Pivot Ball and Shock Multi-tool (aluminum) TKR8034 – Hinge Pins (outer, f/r, EB/NB48.4) TKR1116 – 17mm Wheel Wrench, Shock Cap Tool TKR8040A – Rear Hubs (L/R, 0 RC o set, EB/NB48.4) TKR1119 – 5.5mm / 7.0mm Wrench (hardened steel) TKR8041 – Spindles (L/R, EB/NB48.4) TKR5071B –...
  • Page 30 Box Stock 4x 1.9 at 4x 1.9 at black orange emul emul -2 deg -2 deg 15 deg 0 deg 12 deg 2 deg .5 deg out 2.5 deg 2.3mm 2.4mm stock stock 300oz min 300oz min aluminum 2x green / 2x gold...
  • Page 32 Tekno RC 10755 Scripps Poway Pkwy #598 San Diego CA 92131...