Cobra CX50 2014 Spezifikationen

8 Maintenance A properly maintained machine is safer, faster, and more fun to ride. It is important that you adhere to this mainten

9 8. If you ever need to weld anything on the bike, disconnect the spark plug cap, unplug the ignition, disconnect the kill switch

10 Replacing Transmission / Clutch Lubricant Tools needed: 5mm allen wrench Minimum of 235 ml (8 oz) Cobra Venom 3 S

11 Proper Chain adjustment Tools required for chain adjustment 19 mm wrench or socket 13 mm wrench or socket 1. Make sure th

12 CAUTION: Use only DOT 4 brake fluid Setting rear brake pedal position (see figure 2b): 1. Loosen the lock nut (10mm wrench).

13 Brake Bleeding Procedure Tools Required: Front: T10 Torx bit/driver, Cobra bleed kit (BCKG0031) Rear: 3mm hex key (Allen wr

14 Air Filter Cleaning Tools recommended for air filter maintenance: #2 Phillips head screwdriver 4 mm Allen wrench Foam fi

15 Fork Maintenance Cobra strongly recommends that a professional service technician conduct all internal maintenance other than c

16 Disassembly procedure 1. Remove the front wheel (19 mm wrench). 2. Remove the brake caliper from the fork leg (4 mm hex key)

17 The slip torque value should be above 60 ft-lb (81 Nm) measured at the sprocket. To properly measure the minimum torque at whi

For parts orders contact your local dealer To locate your closest Cobra dealer log on to www.cobramotorcycle.com or call (517) 437-9100 If you

18 Parts Parts – Airbox and Inlet System Airbox and Inlet System REF # PART # DESCRIPTION 1 ZCCS0001 GASKET – REED TO CYLINDE

19 Parts – Bars and Controls Bars and Controls REF # PART # DESCRIPTION 1 HANDLEBAR - ALUMINUM 2 TCMU0008 GRIPS (SET OF TWO)

20 Parts - Carburetor 48 RCMU0048 85 RCMU0085 92 RCMU0092 99 RCMU009950 RCMU0050 86 RCMU0086 9

21 Parts – Coolant System Coolant System REF # PART # DESCRIPTION 1 FCCJ0004 RADIATOR WITH CAP 2 MCMUHO02 RADIATOR HOSE LEFT 3 M

22 Parts – Electrical System Electrical System REF # PART # DESCRIPTION 1 ICCJ0001 COIL W/SPARK PLUG CAP 2 ECMU0010C SPARK PLUG,

23 Parts – Engine – Bottom End and Transmission Engine Bottom End and Transmission REF # PART # DESCRIPTION 1 & 2 EKCS0003 EN

24 Parts – Engine Clutch and Kicker Engine – Clutch and Kick Starter REF # PART # DESCRIPTION 1 CAMU0006 CLUTCH COMPLETE 2 CAMU00

25 Parts – Engine – Water Pump Engine – Water Pump REF # PART # DESCRIPTION 1 EKMU0011 WATER PUMP KIT WITH IMPELLER 2 ECKG0142 S

26 Parts – Engine – Top End Engine – Top End REF # PART # DESCRIPTION 1 ECCJ0001 CYLINDER (INCLUDES PISTO

27 Parts – Exhaust System Exhaust System REF # PART # DESCRIPTION 1 XCCJ2009 CX50JR EXHAUST PIPE 2 ZCMOTE11 HEADER PIPE O-RINGS

DISCLAIMER OF WARRANTY This motorcycle is sold “as is” with all faults, obvious or not. There are no warranties expressed or implied, including

28 Parts – Forks & Triple Clamps Front Forks and Triple Clamps REF # PART # DESCRIPTION 1 KACJ0001 FORK ASSEMBLY FORK LEGS

29 Parts – Forks – Leg Assembly – Brake Side REF # PART # DESCRIPTION 1 HCBC0408 4 X 8 SHCS CLEAR ZINC 2 ZCKG0001 GASKE

30 Parts – Forks – Leg Assembly – Non-Brake Side REF # PART # DESCRIPTION 1 HCBC0408 4 X 8 SHCS CLEAR ZINC 2 ZCKG0001 GASKET, BL

31 Parts – Frame – Mounting Hardware I Frame – Engine, Swingarm, Tank, and Pipe Mounts REF # PART # DESCRIPTION 1 WCMU0016 SWING

32 Parts – Frame – Mounting Hardware II Frame – Seat, Fender, Right Side Panel, Radiator & Shock Mounts REF # PART # DESCR

33 Parts – Front Brakes Front Brakes REF # PART # DESCRIPTION 1 BAKG0003 FRONT BRAKE ASSEMB

34 Parts – Front Wheel Front Wheel REF # PART # DESCRIPTION 1 WACJ0001 WHEEL WITH BEARINGS SPOKE STYLE 2 WCMU0016 FRONT AXLE 3

35 Parts – Plastic & Seat Plastic and Seat REF # PART # DESCRIPTION 1 TCHA0107Y FRONT FENDER

36 Parts – Rear Brake Rear Brake System REF # PART # DESCRIPTION 1 BAKG0002 BRAKE SYSTEM – REAR (M/C-LINE-CALIPER) 2 BCMU0027 BRA

37 Parts – Rear Wheel Rear Wheel REF # PART # DESCRIPTION 1 WAKG2007R REAR WHEEL W/BEARINGS 2 WCMU1075D TIRE –

2 Table of Contents General Information ...

38 Parts – Shock Rear Shock REF# PART # DESCRIPTION 1 SACJ2012 SHOCK ABSORBER 2 SCMU0043 SHOCK – BEARING SPERICAL SHOCK MOUNT –

39 Parts – Shock - Inside Rear Shock REF# PART # DESCRIPTION 1 SCMU0037 O-RING LOW SPEED COMP ADJUSTER 2 SCMU0038 O-RING HIGH SP

40 Parts – Swingarm Assembly Swingarm REF # PART # DESCRIPTION 1 GACJ2011 SWINGARM 2 GCMU0001 SWINGARM BUSHING (SINGLE PIECE) (

41 Service Trained technicians with precision gauging and proper assembly fixtures carefully assemble all Cobra engines to specific

42 3. Hold the throttle wide open, and kick repeatedly (approximately 20 times) or until the gauge reading does not increase in

43 If top end parts are changed during the course of the maintenance, the squish clearance should be measured, and possibly a diffe

Engine Removal To service the bottom end/transmission, the engine must be removed from the frame. Tools required 10, 11, 13, 22 mm wrench 8, 10,

45 6. Remove the left hand thread nut holding the CFD to the transmission input shaft using the CFD gear stop (#EAMU0004) and a 19

INSPECTION NOTE: Inspect the piston for abrasions and deposits on the top and sides and clean or replace as necessary. INSPECTION NOTE: Piston ring

47 9. Trim away any excess gasket material if necessary. NOTE: Check engine mount holes for excess materia

3 Parts – Plastic & Seat ... 35 Parts – Rear

48 Ignition portion of this manual. 22. Install the water pump outlet pipe (apply Hi-Temp RTV silicon gasket maker to t

49 Figure 30 Figure 31 Clutch puller installation CAUTION: Do not use a jaw type puller or use the 6mm t

50 CLUTCH ASSEMBLY REFERENCE DRAWING REF # PART # DESCRIPTION 1 CAMU0013 Set of three shoes, springs, bolts, flat washers & nu

51 Use the table above to order adjustment washers. Replace the stock washer with the proper combination of adjustment washers that

52 INSPECTION NOTE: There must be in / out play in installed clutch, 0.4mm to 1.0 mm (0.015” to 0.040”). This should be adjuste

53 CAUTION: Because of the amount of heat generated by the clutch and engine during extended periods of riding, it

54 6. Set the dial indicator to zero 7. Turn the crankshaft clockwise until the dial indicator reaches 0.040” (1.0mm) from top de

55 Tools recommended for impeller service: Flat head screwdriver 13mm- hex wrench 3mm hex key 4mm hex key 5mm hex key

56 9. Prepare for assembly by installing the water pump assembly into the assembly tool and align the tool with engine c

57 13. Reinstall the pulley, belt and fan cover using a 3mm hex key to stop the rotation of the water pump assembl

4 General Information Specifications - General Items CX50 JR Dimensions Wheelbase 35.75” (908mm) Wheel size 10” (254mm) Seat heigh

58 Indications that the engine is running too lean are: Engine cutting out on top end. Engine overheating and ultimately seizur

59 Reeds The reeds must lay flat on the reed cage. If the reed tips aren’t lying flat, replace them immediately. The reeds

60 Rear wheel pullers Disassembly: Rear wheel alignment: Either Accurately measure the distance from the swingarm pivot to th

61 Front Forks Tools recommended for front fork service: Flat head screwdriver Hammer Pick Seal driver MCMUTL02 9/16” (l

62 CAUTION: It is helpful to cover the sharp corners of the fork leg with tape or thin plastic before sliding on the new seal. Als

63 Tuning Clutch There are performance characteristics to observe and things to measure. 1) Performance characteristics to obse

64 1. Clutch spring stack to tall Wrong configuration Too thick a flat shim in the stack 2. Spring rate too high (wrong confi

65 Effective length of the shoulder on the clutch arbor bolt (see Figure C1). Nominal is 16.00mm (0.630”). As this decreases, the s

66 Gearing For a bike with a centrifugal clutch, it’s better to be geared too low than too high. What happens with improper geari

67 Suspension Adjustment 1. Front forks 1.1. Fork oil 1.1.1. Oil type 1.1.1.1. Heavier weight oil – more damping – slower respo

5 Optional Suspension Components Weight of Rider (lb) Fork Spring Shock Spring Less than 38 (light) KCCJ3218 (18 lb/in, 3.15 N/mm

68 Front Fork Operation The front suspension on the CX50SR works under the principals of hydraulic damping, and it features full a

69 it counter-clockwise will decrease it. This is illustrated by the “HARD” and “SOFT” in the figure at the right. The Smart Leg

70 Once you have the suspension adjusted for decent overall feel, you can make proactive adjustments when faced with different rac

71 CAUTION: Proper jetting is very important for engine performance and engine life. Symptoms of improper jetting are l

72 NOTE: Perform all jetting changes on a motorcycle that has been warmed up to proper operating temperature. The carburetor on

73 Troubleshooting 1) Engine not behaving properly a) Carburetor top is installed backwards (happens a lot) b) The carburetor s

74 i) Spark plug fouled ii) Wrong spark plug installed (8339 Champion to be used on ’04 or later & no mods) iii) Spark plug

75 Index Air Filter Maintenance ... 14 Airbox Parts ... 18 Bars and Controls

76 Engine ... 23 Exhaust ... 27 Forks ...

6 Break-In Procedure Your Cobra CX50 JR is a close-tolerance high performance machine and break-in time is very important for maxi

7 Starting Procedure Before starting the machine inspect the following: Tire pressure Chain tension Coolant level Proper