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Cobra Moto CX-E Owners, Parts, Service, Tuning

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Summary of Contents for Cobra Moto CX-E

  • Page 1 Owners Parts Service Tuning...
  • Page 2 For parts orders, contact your local dealer. To locate your closest Cobra dealer, log on to www.cobramoto.com or call +1 (517) 437 - 9100 Cobra MOTO, LLC 240 Uran Road Hillsdale, MI 49242...
  • Page 3 DISCLAIMER OF WARRANTY This motorcycle is sold “as is” with all faults, obvious or not. There are no warranties expressed or implied, including any warranty of merchantability and warranty of fitness for any particular purpose. Motorcycles are generally not covered by homeowner or trailer content insurance, and they typically require their own policy.

  • Page 4: Lithium-Ion Battery Safety

    Lithium-Ion Battery Safety   When not preparing for a race, store the battery with partial charge (2 lights lit, not 3,   only the red “S” light and orange “V” lights lit), and away from heat sources.    Store and charge your Cobra CX‐E in a place where a fire would cause the least harm.    Additional best practice guidelines below:   Tampering with the battery, charger, and/or electronics of the motorcycle would be jeopardizing safety.  Do NOT use Electrolytic Grease or other contaminates on the battery power connector terminals. ...

  • Page 5: Table Of Contents

    Table of Contents LITHIUM-ION BATTERY SAFETY ............... 2  GENERAL INFORMATION .................. 5  ......................5  PECIFICATIONS ENERAL ..................6  PTIONAL USPENSION OMPONENTS ..................... 7  PECIFICATIONS ORQUE ALUES ....................... 8  OWER ROCEDURE MAINTENANCE ....................11  ............................11  ..........................12  CHEDULE ..................13  EPLACING OTOR OOLING...
  • Page 6 – R ....................... 36  ARTS HEEL – S ......................... 37  ARTS HOCK – S ......................38  ARTS HOCK NSIDE – S ....................39  ARTS WINGARM SSEMBLY SERVICE ......................40  ......................40  N BOARD IAGNOSTICS ..................42  OTOR OOLING LUID EPLACEMENT .......................

  • Page 7: General Information

    General Information Specifications - General Items CX50 FWE Dimensions Wheelbase 36.00” (914mm) Wheel size 10” (254mm) rear Seat height 23.9” (607 mm) Motor Type Cobra – out runner Cooling system Liquid-cooled Coolant Cobra Motor Cooling Fluid, 500 ml Final drive ratio 10/50 T Chain 110 links 420...

  • Page 8: Optional Suspension Components

    Optional Suspension Components Weight of Rider (lb) Fork Spring Shock Spring KCCJ3218 Less than 38 (light) (10 lb/in, .18 SCMUOH04 (275 lb/in) red kg/mm) KCCJ3221 38 – 45 (std) (12 lb/in, .21 SCMUOH05 (285 lb/in) yellow kg/mm) KCCJ3225 46 to 55 (stiff) (14 lb/in, .25 SCMUOH06 (295 lb/in) white kg/mm)

  • Page 9: Specifications - Torque Values

    Specifications - Torque Values Torque Value Size & Fastener Loctite Remarks ft-lb in-lb Phase & power to MDU M5 x 0.8 Phase wires to Motor M6x1.0, copper Motor mount bolts M8 X 1.25 Swingarm pivot M14 X 2.0 Shock bolt M10 x 1.5 Rear axle nuts M12 X 1.25...

  • Page 10: Power Up Procedure

    Power Up Procedure  Before Powering Up the machine inspect the following o Tire pressure o Chain tension o Cooling fluid level o Proper wear on chain rollers and sliders o Handlebar tightness o Throttle assembly movement o Check for loose nuts and bolts ...

  • Page 11: Do's And Don'ts

    Do’s and Don’t’s Don't: 1. Don't store the battery fully charged. Energy stored in Lithium-Ion battery packs have the potential to accidentally / unintentionally release their energy rapidly if an internal cell becomes compromised. Less energy to release is better. 2.
  • Page 12 3. Adding a couple psi to rear tire would improve top speed and runtime, but at the cost of a little initial traction. 4. If run time is a priority, please see “Pre-Race” charge mode. Change Bike Modes: Bike must be disabled (“Active” light is off), before mode can be changed. Hitting the “GO” button activates and deactivates the bike.

  • Page 13: Maintenance

    5. Sprocket options are available We have 48, 49, 50 and 51t Check with your dealer. Other issues: 1. While we feel we have taken care of the all of the issues we are aware of, there is still the possibility of other small bugs or a parts failure(Electronics, batteries or wiring) that could be possible.

  • Page 14: Schedule

    The frame is 4130 Chrome Moly & HSLA, and it is important to weld it with the proper rod and heat settings set as light as possible. Cobra recommends replacing the frame with a new one if the old one becomes damaged. Use ER70S6 filler if welding on the frame. Schedule ...

  • Page 15: Replacing Motor Cooling Fluid

    Replacing Motor Cooling Fluid Tools needed:  8mm Allen wrench  Minimum of 500 cc (16 oz) Cobra Motor Cooling Fluid (Part #MCMUMF32). Procedure: (to be completed) Youtube videos available: search “CX5e Coolant” Proper Chain adjustment Tools required for chain adjustment ...
  • Page 16 5. Retighten the axel bolt to 25 ft-lb (34 Nm). Retighten the adjustor bolt (figure 3) Figure 3 (top), Figure 4 (bottom)

  • Page 17: Rear Brake Pedal Height

    Rear Brake Pedal Height Brake pedal toe tip height can be adjusted with the nut and adjuster located below the rear brake master cylinder. The free-play is not adjustable on this model. CAUTION: Use a New container of VP Racing: 622 DOT4 Racing Brake Fluid if necessary to add fluid.

  • Page 18: Fork Maintenance

    Fork Maintenance Cobra strongly recommends that a professional service technician conduct all internal maintenance other than changing springs and oil. This will help to ensure safe and consistent operation. For routine maintenance, the chart below provides suggested service intervals for common procedures: Each Ride 10 hours...

  • Page 19: Disassembly Procedure

    Disassembly procedure 1. Remove the front wheel and axle (8mm Allen wrench). 2. Remove brake line clamp. 3. Remove the brake caliper from the fork leg (4mm hex key). 4. Loosen the top pinch bolts (6mm hex key). 5. Loosen the fork caps (32mm fork cap tool). 6.

  • Page 20: Parts - Bars And Controls

    Parts – Bars and Controls Bars and Controls REF # PART # DESCRIPTION FAMU0017 HANDLEBAS – MICROBARS – COBRA BEND TCMU0021 GRIPS (SET OF TWO) – MICROGRIPS JACE50006MP THROTTLE ASSEMBLY – TWIG - ELECTRONIC HCBC0412 12 SHSC FCMU0041 STOP RING – MICRO BAR THROTTLE SEE FRONT BRAKE NCCEMU001MP KILL SWITCH ASSEBLY - MAGNETIC...

  • Page 21: Parts - Battery

    Parts – Battery Battery REF # PART # DESCRIPTION DACE10001MP BATTERY ASSY – 1.0 kWh – 48V & MOUNTING HARDWARE DCCE10010 GROMMET – REAR BATTERY MOUNT 1kWh DCCE10009 COMP LIMITER – REAR BATTERY MOUNT 1kWh DCCE10006 STUD – FRONT BATTERY MOUNTING DCCE10012 SHIELD –...

  • Page 22: Parts

    Parts – Electrical System Electrical System REF # PART # DESCRIPTION JCCE50003 CONTROLLER – MOTOR NCMU0001 THERMAL PAD – HEAT SINK TO CONTROLLER FCCE3001 MOUNT – CONTROLLER FCCE50019 CLAMP – CONTROLLER MOUNT (4 PCS) M5X16MM SHCS or HCBF0516 SELF TAPPER HCBC0516 (depends if socket head cap screw or hex head with flange) HCBC0665...

  • Page 23: Parts - Electronics Box

    Parts – Electronics Box Air Box REF # PART # DESCRIPTION TCCE30002 ELECTRONICS BOX JCCE3005 ELECTRONICS HANGER – 3E CAN NETWORK NODE MODULE W/ JCCE50064 DIAGNOSTIC PORT (CNN Module) – JST TCC60008 MUDFLAP HCSP0004 PLASTIC SCREW HCHA0003 M6 CLIP NUT...

  • Page 24: Parts - Forks & Triple Clamps

    Parts – Forks & Triple Clamps...
  • Page 25 Front Forks and Triple Clamp REF # PART # DESCRIPTION KACE32025 FORK COMPLETE, BRAKE & NON-BRAKE SIDE KCMU0035 FORK GUARD SET – 2021 HCSP0610BLK BOLT - FORK GUARD - BLACK (6 REQ’D,) KCMU0036 BRAKELINE CLAMP HCSP0004 PLASTIC SCREW (2 REQ’D) FAMU0020BLK TRIPLE CLAMP BOTTOM ASSY, (CLAMP &...
  • Page 26 Parts – Forks – Leg Assembly – Both Sides...

  • Page 27: Parts - Forks - Leg Assembly - Brake Side

    Parts – Forks – Leg Assembly – Brake Side REF # PART # DESCRIPTION HCBC0408 4 X 8 SHCS CLEAR ZINC ZCKG0001 GASKET, BLEED SCREW FORK KCCL0001 FORK CAP - CONVENTIONAL 32MM USD ZCMUOR18 O-RING – 3mm x 27mm ID KCCS0005 FORK - OUTER TUBE 32MM KCCS0035...

  • Page 28: Parts - Frame & Subframe

    Parts – Frame & Subframe Frame REF # PART # DESCRIPTION FACE32025 FRAME – CX3E - 2025 FCCE50015 POST – SIDE LOUVER HCBH0880 M8 x 80 HEX HEAD BOLT HCWF0801 8mm FLAT WASHER – MOTOR MOUNT BOLT TCMU0139 FOOTPEGS (PAIR) FCMU0031 CLEVIS PIN - FOOTPEG TCC60012...

  • Page 29: Parts - Front Brakes

    Parts – Front Brakes Front Brakes REF# PART # DESCRIPTION BACJ0005 BRAKE ASSY – FRONT CARD – JR/P3 BCCJ0004 HOSE – BRAKE FRONT BAMU0009 LEVER ASSEMBLY – THIN FORMLY BAMU0006 MASTER CYLINDER ASSEMBLY 11.0 CARD BAMU0020 CALIPER – FRONT – CARD 2 PISTON BKMU0009 KIT 505 ORGANIC BRAKE PADS, WITH BOLT AND CLIP BCMU0222...

  • Page 30: Parts - Front Wheel

    Parts – Front Wheel Front Wheel REF # PART # DESCRIPTION WAMUF021BLK WHEEL WITH BEARINGS SPOKE STYLE – BLACK ANODIZE WCMU0043 FRONT AXLE - HOLLOW HCSP1016M BOLT – ALUMINUM AXLE PULL WCMU0024 PLUG - BLACK PLASTIC HCBC0514 M5X14mm SOCKET HEAD CAP SCREW (5 REQ’D) BCMU0222 BRAKE ROTOR –...

  • Page 31: Parts - Motor System - Internals

    Parts – Motor System - Internals Motor System REF # PART # DESCRIPTION MOTOR - NOT SOLD SEPARATELY JCCE50038 STUFFER – PUMP HCFH0516 M5X16MM FLAT HEAD SCREW (4 REQ’D) ECKGBR01 BEARING – OUTPUT JCCE50031 SEAL - OUTPUT ECDC0051 DOWEL PIN 4X16 (3 REQ’D) DCCE10011 STUD –...
  • Page 32 Parts – Motor System – Sprocket Side Motor System REF # PART # DESCRIPTION JACEMU002 MOTOR ASSEMBLY – COBRA – SMALL VEHICLE ECKGSR03 SNAP RING – OUTPUT SHAFT (2 REG’D) PCMU0010 SPROCKET – FRONT – 10T – 415 CHAIN JCCEMU005 GUARD –...
  • Page 33 Parts – Motor System – Wire Side Motor System REF # PART # DESCRIPTION JCCEMU017 MOTOR SENSOR MODULE V2 – HALL HUB – SMALL VEHICLE ZCCEMUOR5 O’RING- V2 – MOTOR HOUSING (3 REQ’D) ZCCEMUOR2 O’RING – TEMP SENSOR PASS THRU ZCCEMUOR3 O’RING –...

  • Page 34: Parts - Plastic Bodywork & Seat - E3

    Parts – Plastic Bodywork & Seat - E3...
  • Page 35 Parts – Plastic Bodywork & Seat – E3 Plastic and Seat REF # PART # DESCRIPTION TCCS0009FXX FRONT FENDER – FLO YELLOW TCCS0009x FRONT FENDER x – DENOTES COLOR BLK, WHT, YEL, FLO HCSP0610 FRONT FENDER MTG BOLTS (4 REQD) TCMU0041W FRONT NUMBER PLATE –...

  • Page 36: Parts - Rear Brake

    Parts – Rear Brake...
  • Page 37 Parts – Rear Brake Rear Brake System REF # PART # DESCRIPTION BACJ0004 BRAKE SYSTEM – REAR (M/C-LINE-CALIPER) BCMU0027 BRAKE PIVOT BOLT – CAPTURED CLEVIS BCMU0501 SEAL – BRAKE PEDAL (2 REQ’D) BCMU0069 BRAKE PEDAL – ASSEMBLY 50cc – WITH TOE PIECE BCMU0023T TOE PIECE HCBC0512...

  • Page 38: Parts - Rear Wheel

    Parts – Rear Wheel Rear Wheel REF # PART # DESCRIPTION WAMUR021BLK REAR WHEEL W/BEARINGS – BLACK WCMU1075D34 TIRE - REAR - 70/100-10 - DUNLOP MX34 WCMUTU10 TUBE, 10" PCMU0001 MASTER LINK 420 PCMU0102 CHAIN 420 X 102 PCC50250BLK 50T SPROCKET (STANDARD) 415 - BLACK PCC502xx SPROCKET xx DENOTES TEETH –...

  • Page 39: Parts - Shock

    Parts – Shock Shock REF # PART # DESCRIPTION SACJ2025 SHOCK ABSORBER SCMU0043 SHOCK – BEARING SPERICAL SHOCK MOUNT – (2REQ’D) SCMU0039 O-RING – SHOCK – BUSHING (4 REQ’D) SCMU0042 SHOCK – MOUNT BUSHING (4 REQ’D) SCMU0058 SHOCK – WHITE NYLON TIP SET SCREW M6-1.0 SCMU0056 SHOCK –...

  • Page 40: Parts - Shock - Inside

    Parts – Shock - Inside Shock REF # PART # DESCRIPTION SCMU0037 O-RING LOW SPEED COMP ADJUSTER SCMU0038 O-RING HIGH SPEED COMP ADJUSTER SCMU0036 O-RING COMP ADJUSTER CAP SCC60007 O-RING COMPRESSION ADJUSTER SCMU0051 O-RING – IFP SCMU0052 IFP SEAL BAND SCMU0033 O-RING SHOCK BASE SCMU0050...

  • Page 41: Parts - Swingarm Assembly

    Parts – Swingarm Assembly Swingarm REF # PART # DESCRIPTION GAMU2025 SWINGARM – BLACK – 2025 GCMU0001 SWINGARM BUSHING (SINGLE PIECE) (4 REQ’D) GCCS0001 SPACER - PIVOT TUBE (2REQ’D) GCMU0041 SWINGARM CHAIN GUARD - CX50 - WITH MOHAWK AND FOOT HCFH0512 M5X12mm FLAT HEAD SCREW GCMU0038...

  • Page 42: Service

    Service Trained technicians with precision gauging and proper assembly fixtures carefully assemble all Cobra engines to specific tolerances. If you feel you have the skills, and the appropriate tools, to perform the following service tasks please follow the instructions closely. The part numbers are listed throughout to help you when ordering parts from your local Cobra dealer.
  • Page 43 Details on each one in a table below this one. Blink Scope Code Description Code ETS_PWR - Throttle sensor power fault All TBD NVM - Non volatile memory fault ETSA - Throttle sensor A fault ETSB - Throttle sensor B fault ETS_REDUND_CHECK - Throttle sensor redundancy fault ETKS_SNS - ETKS sensed value outside of expected range...

  • Page 44: Motor Cooling Fluid Replacement

    Motor Cooling Fluid Replacement Radiator fluid removal:  8mm hex key  Motor Cooling Fluid (MCMUMF32) 1. Remove radiator cap and drain engine cooling fluid using the 8mm hex key and the drain at the bottom of the motor. NOTE: Inspect the old coolant for evidence of metal or other debris that may indicate a problem.

  • Page 45: Brakes

    Brakes Check before each ride:  Make sure the brake does not have any leaks by holding the lever in while checking hose connections.  Make sure the brake lever pressure is OK by pulling in on the lever and ensuring full braking performance is achieved before the lever touches the handlebar.

  • Page 46: Tuning

    Tuning Gearing Condition Gear Taller Gear Lower What happens with improper gearing? Sand  Poor performance Hills  Not enough top end speed  No snap out of the corners Hard Pack  No jump at the gate Rear Gear Front Sprocket Sprocket Ratio...

  • Page 47: Front Fork Operation

    Front Fork Operation The front suspension on the CX50SR works under the principals of hydraulic damping Rear Shock Adjustments Always start with standard settings and make damping changes in no more than two click increments and only make one change at a time. Symptom Action Rear end feels stiff on small bumps...

  • Page 48: Shock Preload

    Shock preload Loosen the set screw and turn the spring perch in full turn increments to get the desired sag settings. NOTE: Always leave the spring perch rotated in such position so that the set screw is easily accessible. Shock Damping The Low Speed “L”...

  • Page 49: Troubleshooting

    Troubleshooting  RDU Lower Left Fault light: Battery Fault  RDU Lower Right Fault Light: Electrical System  Bike doesn’t run at all, RDU Lower Red Fault light is On solid. o Order of replacement(2023): 1. Replace Hall Board in motor 2.
  • Page 50 Change Control Date Pub Assy/pg Changes made Updated Mode Definitions, 3e Features release PDM Release 11/12/24...

This manual is also suitable for:

Cx 3eCx50 fweCx50sr

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