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Cobra 2008 ECX70, Service Manual

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Cobra 2008 ECX70 Service Manual Download Page 40

Parts – Rear Shock 

 

Figure 25 
 

Rear Shock 

REF # 

PART # 

DESCRIPTION 

1 SAEX2007R 

SHOCK, 

REAR QUAD FOX 

2 SCEX0175P 

SPRING, 

HELPER STANDARD (BLACK, 175LB/IN) 

  

See 

Optional Components

 section of this manual for other springs 

3 SCEX0450P 

SHOCK 

SPRING, 

STANDARD (GREEN, 450 LB/IN) 

  

See 

Optional Components

 section of this manual for other springs 

4 

SCSP0003 

TRAVEL LIMITER (1.00”) 

 

SCSP0001 

TRAVEL LIMITER (1.50”) 

 

SCSP0002 

TRAVEL LIMITER (1.25”) 

5 SCEX0003 

SPRING 

SEPARATOR 

6 HCNL1001 

10MM 

LOCKNUT 

7 

HCWF0010 

10MM FLAT WASHER 

8A 

HCBF1040 

10MM X 44 SHOCK BOLT 

8B 

HCBC1040 

10MM X40 SHCS 

9 

SCKGFX04 

PRELOAD RING BOTTOM 

10 

SCKGFX05 

PRELOAD RING TOP (LOCK RING) 

 

 

 

 

 

                 

37

Summary of Contents for 2008 ECX70

Page 1: ......

Page 2: ...losest Cobra dealer log on to www cobramotorcycle com or call 517 437 9100 If you need technical assistance contact your local dealer or call the Cobra Technical Support Hotline at 517 437 9100 Cobra...

Page 3: ...NTENDED FOR EXPERIENCED RACERS ONLY AND NOT FOR BEGINNERS IT IS YOUR RESPONSIBILITY AS THE OWNER OF THIS COBRA PRODUCT OR AS THE PARENT OR LEGAL GUARDIAN OF THE OPERATOR TO KEEP THIS COBRA PRODUCT IN...

Page 4: ...ps 10 M1 Replacing Transmission Lubricant 10 M2 Chain adjustment 11 M3 Air Filter Cleaning 12 M4 Front end 14 Toe in adjustment 14 Steering 14 Parts 15 Parts Air Inlet System 15 Parts Bars and Steerin...

Page 5: ...0 Parts Front Brakes 31 Parts Front Shock 32 Parts Miscellaneous 33 Parts Plastic Bodywork Seat 34 Parts Rear Brake 35 Parts Rear Drive 36 Parts Rear Shock 37 Parts Swingarm Assembly 38 Parts Tie Rod...

Page 6: ...ectronic Spark plug Champion 8339 Gap 0 023 0 025 0 58 0 64 mm Fuel type 93 octane pump gasoline OTHER RACE FUELS ARE NOT RECOMMENDED Oil type Cobra Venom 2 cycle Race Oil Fuel oil mix ratios 32 1 Ign...

Page 7: ...Spark Plug SP SP SP 14 x 1 25 Crank case half 5 60 6 8 6 x 1 0 Crank case cover 5 60 6 8 6 x 1 0 Flywheel rotor nut 40 480 54 10 x 1 25 G Clutch hub 40 480 54 10 x 1 25 G Units of mm unless otherwise...

Page 8: ...designates that the application requires the use of medium strength blue thread locking agent applied to the threads Optional Suspension Components Front shock springs Weight of Rider lb Helper Main L...

Page 9: ...pring front 105 Orange SCEX1105 115 Green SCEX1115 125 White SCEX2125 135 Blue SCEX1135 145 Red SCEX1145 155 Yellow SCEX1155 165 Black SCEX1165 Fox 7 long main spring rear 300 Red SCEX1300 315 Yellow...

Page 10: ...wear or damage to the machine Adhering to the following break in schedule will result in long lasting high performance machine First 5 minute period operate the bike in neutral with a combination of i...

Page 11: ...erly saturated with oil Turn the fuel on by rotating the fuel petcock knob to the vertically downward position reserve position is horizontally inward CAUTION For best results from your Cobra ATV use...

Page 12: ...aluate the bikes jetting only after it has been warmed up to race temperatures 5 A properly maintained machine is safer faster and more fun to ride 6 When washing the bike be careful to not directly a...

Page 13: ...in the metal or cracks in the paint that might indicate that the metal has been stressed beyond it s safe limits Replace or get properly rewelded as necessary Every 2 hours of operation o Replace the...

Page 14: ...Hot oil and hot components on the motorcycle may cause burns 2 Lean bike against something or set on stand with oil drain hole 3 Using the 13 mm wrench remove the oil drain bolt located on the right s...

Page 15: ...le is all the way forward the chain is as tight as possible and if the pin hole is all the way back the chain is as loose as possible CAUTION Proper chain tension allows no less than 12mm free play th...

Page 16: ...t caution should still be taken NOTE The biodegradable air filter oils greases and cleansers work acceptably with this Cobra Motorcycle NOTE It is very important to keep the air filter clean and prope...

Page 17: ...ust both wheels so that they have the same amount of toe in Figure 3 Steering The unique Cobra front end will exhibit some free play from the factory and that the seals it that s what you want to call...

Page 18: ...OT TO REED MANIFOLD NARROW 7 ECDC0094 INLET MANIFOLD WITH REED ASSEMBLY REEDS REMPLACMENT STOCK ECDCRD15 REEDS SOFT 8 HCBC0602 M6 X 20 SOCKET HEAD CAP SCREW 4 REQ D 9 ECDC0093 GASKET INLET 2 PLACES 10...

Page 19: ...CEMENT 2 REQ D NOT SHOWN TCMU0403 BAR MOUNT KIT TALL OPTIONAL 2 REQ D 6 HCBC0806 SOCKET HEAD CAP SCREW M8 X 30 4 REQ D 7 HCBC1001 M10X45 SOCKET HEAD CAP SCREW 2 REQ D 8 HCNL1001 M10 LOCK NUT 2 REQ D 9...

Page 20: ...7Y NERF NET SET YELLOW NOT SHOWN HCBH0808 8MM X 30 HEX HEAD BOLT FRONT MOUNT 2 PLACES NOT SHOWN HCBH0809 8MM X 50 HEX HEAD BOLT REAR MOUNT 2 PLACES NOT SHOWN HCWF0801 8MM FLAT WASHER 2 REQ D NOT SHOWN...

Page 21: ...ABLE ADJUSTER 5 RCEX0007 GASKET CARBURETOR BOWL 6 RCEX0008 PLUG WASHER MAIN JET 7 RCEX0009 SPRING THROTTLE VALVE 8 RCEX0010 E CLIP NEEDLE 9 RCEX0011 NEEDLE VALVE SEAT ASSEMBLY 10 RCEX0012 SCREW FLOAT...

Page 22: ...LINDER 2 CCDC0001 CLUTCH LEVER 3 FCEX0020 CLUTCH LINE 4 CCDC0002 CLUTCH SLAVE CYLINDER 5 ECDC0074 CLUTCH CAP 6 M6 x 16 Bolt 7 ECDC0082 SNAP RING CLUTCH CAP 8 ECDC0020 CLUTCH PUSH ROD 9 ECDC0018 CLUTCH...

Page 23: ...10 RADIATOR HOSE 4 MCEXGR01 GROMMET RAD MOUNT 4 REQ D 5 MCMUGR04 GROMMET TOP RAD MOUNT 2 REQ D 6 HCBF0620 FLANGE HEAD BOLT M6X20 2 REQ D 7 HCWF1478 WASHER RADIATOR MOUNTING 8 MCMUCL07 HOSE CLAMP 4 REQ...

Page 24: ...16 SCREW M5 X 16 2 PER 5 HCCN0000 5MM CLIP NUT 2 PER 6 ICMU0018 STATOR 3 WIRE W GROMMET 7 HCBC0535 5mm x 35 SOCKET HEAD CAP SCREW 2 REQ D 8 HCBC0525 5mm x 25 SOCKET HEAD CAP SCREW 9 HCWF0504 WASHER FO...

Page 25: ...UTCH PRESSURE PLATE 5 ECDC0068 CLUTCH DISC FRICTION 5 REQ D 6 ECDC0067 CLUTCH DISC STEEL 4 REQ D 7 ECDC0069 CLUTCH HUB 8 ECDC0070 SPRING CLUTCH 6 REQ D 9 ECDC0071 PLATE CLUTCH SPRING 10 HCBC0525 5X25...

Page 26: ...78 SEAL KICKSTARTER 9 ZCMU0005 GASKET OIL FILL PLUG 10 ECMU0037 OIL FILL DRAIN BOLT W GASKET 11 ZCDCOR05 ORING CLUTCH CAP 13 ECDC0074 CLUTCH CAP 14 ZCDCOR04 ORING CLUTCH SLAVE CYLINDER NOT SHOWN CCEX0...

Page 27: ...ASHER FLAT 5MM 7 HCNS1001 NUT M10 8 HCWF0038 3 8 FLAT WASHER 9 ICMU0006 ROTOR 10 ICMU0018 STATOR 3 WIRE 11 ECDC0024 SEAL CRANKSHAFT 12 ECDC0087 SHIFTER LEVER 13 HCBH0620 M6 X 20 HEX HEAD BOLT 14 ECKGS...

Page 28: ...5 ECDC0043 WASHER KICKSTART BACKUP 6 ECDC0042 SPRING KICKSTART RAMP 7 ECMU0135 SHAFT KICK START 8 ECDC0038 RAMP GEAR KICKSTART 9 ECDC0033 GEAR KICKSTART 10 ECDC0035 SNAP RING EXTERNAL 12MM 11 ECDC0037...

Page 29: ...48 PIVOT SHIFT ARM 11 ECMU0546 SPRING SHIFT FOLLOWER ARM 12 ECMU0545 ARM ASSY SHIFT FOLLOWER 13 ECDC0035 CLIP ARM RETAINER 14 ECDC0056 BEARING RETAINER PLATE 15 ECDC0060 6MM X 16 FLAT HEAD PHILLIPS SC...

Page 30: ...N 2 REQ D 7 ECDC0090 WRIST PIN 8 ECDC0061 BEARING WRIST PIN 9 ZCMUOR07 O RING EXHAUST FLANGE 10 ECMU0074 EXHAUST FLANGE NOT SHOWN ZCMOTE11 O RINGS PIPE TO FLANGE 2 REQ D 11 HCBC0612 M6X12 EXHAUST FLAN...

Page 31: ...RY 18 21T 11 ECDC0005 GEAR 5TH PRIMARY 23T 12 ECDC0006 GEAR 2ND PRIMARY 16T 13 ECKGBR01 BEARING OUTPUT IGNITION SIDE 14 ECDC0007 SHAFT TRANSMISSION OUTPUT 15 ECDC0014 GEAR 2ND OUTPUT 31T 16 ECDC0017 S...

Page 32: ...02 PIPE GROMMET SPACER 7 HCWF1478 PIPE GROMMET WASHER 2 REQ D NOT SHOWN MCMUGR02 GROMMET KIT 8 HCBF0635 M6X35 FLANGE HEAD BOLT NOT SHOWN HCNL0601 6MM LOCK NUT FOR FRONT PIPE MOUNT 9 XAMUO001 SILENCER...

Page 33: ...GAEX0009 A ARM BACK BOTTOM RIGHT GAEX0008 A ARM BACK BOTTOM LEFT 5 HCBC1065 10MM X 65 SOCKET HEAD CAP SCREW BLACK OXIDE 6 MCEXBR05 BUSHING A ARM 7 GCEX0006 SPACER A ARM PIVOT TUBE 8 HCBF1070 10MM X 7...

Page 34: ...4 BRAKE ROTOR SPACER 4 REQ D PER ROTOR 9 HCBB0516 ROTOR BOLT 10 HCBC0602 M6 X 20 SHCS 11 HCBF0640 M6 X 40 FLANGE HEAD BOLT 12 HCBF0635 M6 X 35 FLANGE HEAD BOLT 13 BCEX0022 BRAKE MOUNT SPACER 14 WCEX00...

Page 35: ...HOCK SPRING STANDARD RED 145 LB IN See Optional Components section of this manual for other springs 4 SCSP0001 TRAVEL LIMITER 1 50 SCSP0002 TRAVEL LIMITER 1 25 SCSP0003 TRAVEL LIMITER 1 00 5 TOP SPRIN...

Page 36: ...WCEX0004R RIGHT FRONT WHEEL WITH TIRE FAEX2006 FRAME FCEX0002 CHAIN SLIDER SPLIT BUSHING HCBC1120 M10 X 120 FRONT ENGINE MOUNT BOLT HCWF0010 10MM FLAT WASHER 2 REQ D HCNL1001 10MM LOCK NUT FCEX0038R S...

Page 37: ...RAB BAR NOT SHOWN HCNL0601 6MM LOCK NUT 2 REQ D PLASTIC TO GRAB BAR NOT SHOWN HCBB0616 6MM BUTTON HEAD 2 REQ D AT FRONT NOT SHOWN HCWF0601 6MM FLAT WASHER 2 REQ D AT FRONT 3 TAEX0011 SEAT NOT SHOWN HC...

Page 38: ...KET HEAD CAP SCREW 15 BCEX0014 CALIPER SPACER 2 REQ D 16 BCDC0002 CALIPER REAR BRAKE 17 BCDC0007 BRAKE PAD KIT ORGANIC 17 BCEX0013 BRAKE PAD KIT SINTERED METAL 18 BAEX0006 REAR BRAKE CARRIER FULL ADJU...

Page 39: ...AD BOLTS 4 REQ D 6 HCNL0801 M8 LOCK NUT 4 REQ D 7 PCDC00XX SPROCKET 37T 51T XX DENOTES OF TEETH 9 GCEX0016 BRAKE HUB SPACER 10 HCKW0001 HUB KEY 11 GCEX0024 REAR WHEEL HUB SPACER 2 REQ D 12 GCEX0011 RE...

Page 40: ...X0450P SHOCK SPRING STANDARD GREEN 450 LB IN See Optional Components section of this manual for other springs 4 SCSP0003 TRAVEL LIMITER 1 00 SCSP0001 TRAVEL LIMITER 1 50 SCSP0002 TRAVEL LIMITER 1 25 5...

Page 41: ...4 X 1 HEX HEAD 5 HCNL1402 SWINGARM LOCK NUT M14 X1 6 GCEX0050 TOP SWINGARM GUARD ECX70 7 HCPP0832 SELF TAPPING SCREW 8 HCBF1040 BOLT SHOCK 9 HCCC0000 BRAKE HOSE CLAMP 2 REQ D 10 HCBH0810 ECCENTRIC PIN...

Page 42: ...mbly REF PART DESCRIPTION 1 FAEX0002 TIE ROD 2 MCEXBR02R RH TIE ROD END 3 MCEXBR02L LH TIE ROD END 4 HCNJ120L LH JAM NUT 5 HCNJ120R RH JAM NUT 6 GCEX0002 SPACER BALL JOINT 7 HCNC0010 10MM CASTLE NUT 2...

Page 43: ...ks 20 before you establish the most accurate reading possible Because of the geometry of the spark plug used in this Cobra Motorcycle the adapter used with your compression tester must have a similar...

Page 44: ...ankcases all have varying tolerances Cobra offers several different base gasket thickness to ensure that you can always set the squish clearance of your engine to factory specifications For base gaske...

Page 45: ...on to smush the solder wire Pull out the wire and measure the solder thickness approximately 2mm from the end of the tip accurately with calipers Compare your measurement with the chart below and inst...

Page 46: ...ny way replace it This means cracks chips and ruptures Anything abnormal replace the reeds Take the reed cage out and hold it up to the light and look in through the cage If you see light between the...

Page 47: ...is shut off 2 Remove the carburetor 3 Drain the fuel in the carburetor 4 Disassemble the carburetor CAUTION Do not use compressed air on an assembled carburetor Or the pressure may deform the float Do...

Page 48: ...ouder than normal A loss of power Tuning Carburetor Jetting Decisions Although your Cobra is sent from the factory with the carburetor jetted for optimal performance you may find it necessary to adjus...

Page 49: ...None High altitude Richer Leaner Low barometric pressure Richer Leaner High barometric pressure Leaner Richer NOTE Before making any carburetor jetting changes verify that o You are using the proper...

Page 50: ...urn the screw in clockwise in 1 4 turn increments and rev the engine after each adjustment To lower the idle turn the screw counter clockwise TOP END JETTING Adjust for clean full throttle acceleratio...

Page 51: ...it e Compression is low i Piston ii Rings f Reeds are damaged g Ignition timing is incorrect 3 Engine is excessively loud a Silencer needs repacking 4 Engine blubbers at high RPMs a Jetting too rich 5...

Page 52: ...3 Cylinder 29 Eccentric 38 Electrical Parts 23 Engine Parts List 42 Specifications 5 Torque 6 Engine Mount Front 35 Exhaust 47 Parts 31 Fenders 36 Frame Parts 35 Front Brake 33 Fuel Petcock 10 Fuel Sy...

Page 53: ...ecommended 5 Specifications 5 Torque Values 6 Spherical Steering Bearing 16 Starting 10 Steering Stem 18 Steering Upright 32 Swingarm Parts 40 Throttle 17 Tie Rod 41 Tips 11 Toe In Adjustment 16 Top E...

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