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INSTRUCTION MANUAL
& REFERENCE GUIDE

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Summary of Contents for Serpent S811 Cobra E 2.1

  • Page 1 INSTRUCTION MANUAL & REFERENCE GUIDE...
  • Page 2: Exploded Views And Parts List

    The Serpent S811 Cobra is a complete new platform for the 1/8 scale electric offroad category of racing. The Serpent S811 Cobra is designed to be a world champion, while still being easy to use, assemble, and set up. You are now part of the worldwide network of Serpent drivers, which gives you superior technical support and access to many benefits that only Serpent drivers can enjoy.
  • Page 4 Use some grease during assembly Use silicone oil to hold seal in position 8x16x5 CENTER DIFF Add 2mm oil before assembling the gear Use some grease during assembly 8x16x5...
  • Page 5 Use some grease Use silicone oil during assembly to hold seal in position 8x11x0.2 Add 2mm oil before assembling the gear Use some grease during assembly 8x14x4 flanged 8x11x0.2...
  • Page 6 M3x8...
  • Page 7 M5x4 8x19x6 8x11x0.2 M5x4 2.5x13 Nylock nut Use 14x15.6x0.2 shims to adjust proper gear mesh. Notice orientation of differential...
  • Page 8 Nylock nut Nylock nut...
  • Page 9 M3x12 M3x12 M3x8 M3x8 8x11x0.2 shims 2.5x15 between the hex and 8x16x5 bearing only in case of too much play 2.5x17 8x16x5 M3x4 Nylock nut...
  • Page 10 5x8x2.5 Flanged...
  • Page 11 2.5x13 M5x4 8x11x0.2 8x19x6 After building the differential with new gears a new differential case and bearings, the differential may feel a little tight. The connected parts need at least an hour run-time to create a perfect match. Attention: When you assemble the diff with too much initial play, the gears will not run- in properly and may wear quickly.
  • Page 13: Right Hand Side

    8x16x5 2.5x17 2.5x15 M5x4 Use 8x11x0.2 shims between the hex and 8x16x5 bearing only in case of too much play RIGHT HAND SIDE M3x6 M3x6 LEFT HAND SIDE...
  • Page 14 M4x18 SPECIAL M3x14 M4x18 SPECIAL...
  • Page 15 M4x10 use threadlock on these screws...
  • Page 16 20.0MM 6x10x3...
  • Page 18 M3x3 M3x8 M3x8 M4x10 M3x8 M3x8 M4x10 M3x8 M4x10 M3x16 Use shims to allow servolever to clear radiobox by 0.5 to 1.0mm (see step C6)
  • Page 19 M2x10 M3x3 Adhesive Adhesive M3x12 M3x8 Place locktight on m3x12 screw as well as m3x8 M3x12 M4x10...
  • Page 20 9 /10 FRONT shock 97mm REAR shock 123mm...
  • Page 21 - Fill up with sillicone oil - Wait for air bubbles to escape - Close top only 3/4 - Check default SET-UP sheet for CST value of silicone oil...
  • Page 22 M3x8 M3x8 M3x3 M3x3 M3x3 M3x8 M3x3 M3x8...
  • Page 23 NOT INCLUDED M4x10 Use Threadlock on all M4x4 of these screws M3x15 NOT INCLUDED NOT INCLUDED FOAM...
  • Page 24 M3x6...
  • Page 25 Part no Description 600274 Wheelhexagon light -2mm (2) 600016 Serpent S811 Cobra Buggy EP 1/8 4wd 2.1 600275 Wheelhexagon light -1mm (2) 600276 Wheelhexagon light -0mm (2) Radio Instalation / Battery option 600284 Shocktower FR alu light 600463 Servo lever 23T 811-E alu...
  • Page 26 Hoody sweater Serpent black-zip (2XL) 190500 Pit-caddy 190206 Hoody sweater Serpent black-zip (3XL) 190501 Tool-bag 190207 Hoody sweater Serpent black-zip (4XL) ) 190502 Pit-bag medium. 3 drawers 190504 Ballcup tool 190506 Toolset for onroad (17pcs) with tools bag 190507 Toolset for ep (16pcs) with tools bag...
  • Page 27 1396 CENTER 600627 600421 110127 600376 600627 600210 600425 1396 600198 600210 600421 600376 600324 Diff Center 46T 600627 600325 Diff uiversal 600627 600501 Complete FR/RR 44T diff 600421 600200 FRONT REAR 600480 1349 110432 110432 600200 600425 600421 1349 110109 600443 600324...
  • Page 30 600124 1321 110158 110127 110402 110104 600153 600182 600334 600173 1321 110402 600128 600170 600178 110402 600442 600128 1321 600178 600199 600191 600128 600105 600131 600167 600816 600169 110105 600191 600191 110127 110105 1606 110149 600227 110407 600436 600499 600437 600437 600178 110127...
  • Page 31 Rear springs: 600652 600653 600640 600654 600655 600387 600656 600657 600659 set rr 600388 Front springs: 600646 600647 600388 600648 600649 600650 600651 600658 set fr 110158 600236 600133 110104 600439 600224 110405 600118 600179 600179 600184 600118 110405 600184 110151 600263 110104...
  • Page 32 - info@serpent.com...