Sky Team ST125-11 Operation Instructions Manual Download Page 38

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CAPACITIES

Fuel tank 3.8L
Passenger capacity 75kg

ENGINE

ST50-11 ST125-11
Bore and stroke 39mm

41.4mm 52.4mm

57.0mm

Compression ratio 8.8:1 9:1
Displacement 49cm

124cm

Spark plug A7RTC CR6HSA
Valve clearance(Cold) Intake: 0.05mm
Exhaust: 0.05mm

ELECTRICAL

Ignition type CDI
Generator Magneto
Battery 12V 3Ah
Head light 12V 35W/35W
Turning signal indicator light 12V 10W
Tail/brake light 12V 21W/5W

SPECIFICATIONS
DIMENSIONS

Overall length 1880mm
Overall width8 875mm
Overall height 1025mm
Wheelbase 1225mm

WEIGHT

Dry weight 93kg

MAIN PERFORMANCE PARAMETERS

Fuel consumption at economical speed 1.5L/100km 1.8L/100km
Max. speed 40km/h 25km/h 82km/h
Rated power 1.9kw(7750rpm) 1.0kw(6000rpm) 5.0kw(6500r/min)
Max. torque 2.8N.m(5000rpm) 2.0N.m(3500rpm) 7.3N.m(6500r/min)
Idle speed 1350

100r/min

ST50-11 ST125-11
Type I Type II

Summary of Contents for ST125-11

Page 1: ......

Page 2: ...de Inspection Starting the Engine Running in Riding High Altitude Riding Braking Parking Anti theft Tips MAINTENANCE Page 38 38 39 40 41 44 45 46 49 51 52 54 59 60 60 61 MAINTENANCE The Importance of maintenance Maintenance Safety Safety Precautions Maintenance Schedule Serial Number Air Cleaner Engine Oil Spark Plug Idle Speed Throttle Operation Drive Chain Wheel Rims and Spokes WHEEL REMOVAL Fro...

Page 3: ...want to install an accessory which will result in an extra weight or an aerodynamic effect to your motorcycle try to install it as low as possible and as close as possible to the center of gravity of your motorcycle Check carefully the holder for installing accessories to make sure for its firmness The infirm installation will lead to unstable and dangerous conditions due to weight deviation 2 Che...

Page 4: ...y the instructions in the PRE RIDE INSPECTION section of this manual Do not forget to perform all the safety checks to ensure the safety of the rider FAMILIARIZE YOURSELF WITH THE MOTORCYCLE Your riding skill and your mechanical knowledge form the safe riding practices We suggest that you practice riding your motorcycle in an non traffic situation without obstacles until you are thoroughly familia...

Page 5: ...motorcycle or removal of original equipment may render the vehicle unsafe or illegal Obey the local regulations for available equipment 5 PARTS LOCATION Clutch lever Engine stop button Front brake lever Throttle grip 6 Ignition switch ...

Page 6: ...Rear brake pedal Footpad Kick starter 7 Choke lever ST50 11 Gearshift pedal Footpad Side stand 8 Full fill cap Fuel cock Choke lever ST125 11 ...

Page 7: ...se irritation Avoid contact with skin or eyes In case of contact flush thoroughly with water and call a doctor if your eyes were exposed NOTICE WARINING 9 BRAKE LINING The main points for checking the front brake lining are to see whether the lining wear is out of the range Replace the brake lining if the lining wear is beyond the brake wear limit mark FRONT BRAKE FLUID LEVEL Check that the fluid ...

Page 8: ... adjuster 4 at the lever 1 Normal clutch lever free play is 10 20mm 0 4 0 8in 1 Clutch lever 1 Pull back the rubber dust cover 2 2 Loosen the lock nut 3 and turn the adjuster 4 Tighten the lock nut 3 and check the adjustment 3 If the adjuster is threaded out near its limit or if the correct free play cannot be obtained loosen the lock nut 3 and turn in the cable adjuster 4 completely Tighten the l...

Page 9: ... you may run out of fuel with no reserve 1 Fuel valve 14 4 Loosen the lock nut 6 at the lower end of the cable Turn the adjusting nut 5 to obtain the specified free play Tighten the lock nut 6 and check the adjustment 5 Adjusting nut A Decrease free play 6 Lock nut B Increase free play 5 Start the engine pull in the clutch lever and shift into gear Make sure the engine does not stall and the motor...

Page 10: ...YTEAM Limited Warranty Occasionally you may experience light spark knock while operating under heavy loads This is no cause for concern it simply means your engine is operating efficiently NOTICE 16 Fuel Tank The fuel tank capacity including the reserve supply is 3 8L To open the fuel fill cap 1 open the seat first and then turn the fuel fill cap counterclockwise After refueling be sure to tighten...

Page 11: ...r oil leaks Running the engine with insufficient oil can cause serious engine damage 1 Filler cap dipstick 2 Upper level mark 3 Lower level mark NOTICE 17 TIRES To safely operate your motorcycle the tires must be the proper type and size in good condition with adequate tread and correctly inflated Air Pressure Properly inflated tires provide the best combination of handling tread life and riding c...

Page 12: ...sures you should also examine the tire treads and sidewalls for wear damage and foreign objects Look for Bumps or bulges in the side of the tire or the tread Replace the tire if you find any bumps or bulges Cuts splits or cracks in the tire Replace the tire if you can see fabric or cord Excessive tread wear Also if you hit a pothole or hard object pull to the side of the road as soon as you safely...

Page 13: ... the performance capabilities of your motorcycle and provide the best combination of handling braking durability and comfort The recommended tires for your motorcycle are Front 21 X 7 00 10 Rear 21 X 7 00 10 Whenever you replace a tire use one that is equivalent to the original and be sure the wheel is balanced after the new tire is installed Also remember to replace the inner tube whenever you re...

Page 14: ...IGHT 5 When operating the dimmer switch to position or operating the pass switch the light comes on ESSENTIAL INDIVIDUAL COMPONENTS IGNITION SWITCH The ignition switch 1 is used to prevent unauthorized use of the motorcycle Before riding insert the key and turn it to the ON position After parking the motorcycle remove the key 1 Ignition switch 23 Key Removal Key Position The engine cannot be opera...

Page 15: ...usly Electrical Start Button 4 Push down the electrical start button to start the engine Throttle Grip 5 The throttle grip is used to control the engine speed Twist it toward yourself to accelerate and turn it away from yourself to decelerate 26 LEFT HANDLEBAR HORN BUTTON 1 Press the button and the horn will sounds TURN SIGNAL SWITCH 2 When the switch in position the left turn signal light starts ...

Page 16: ...k condition and slack Adjust and lubricate if necessary 7 Chain slider check slider wear 8 Throttle check for smooth opening and full closing in all steering positions Adjust free play if necessary WARINING Improperly maintaining this motorcycle or failing to correct a problem before riding can cause a crash in which you can be seriously hurt or killed Always perform a pre ride inspection before e...

Page 17: ...rt a warm engine follow the procedure for High Air Temperature Normal Air Temperature 10ç J35ç 50ç J95ç F 1 Pull the choke level 1 up all the way to Fully OFF A 2 Keep the throttle fully closed 3 Push the electric starter button or operate the kick starter to start the engine Starting from the top of the stroke kick through to the bottom with a rapid continuous motion Do not operate the throttle A...

Page 18: ...n and cylinder wall lubrication and damage the engine 31 FLOODED ENGINE If the engine fails to start after repeated attempts it may be flooded with excess fuel To clear a flooded engine push the choke lever down to Fully OFF A Open the throttle fully and crank the engine several times with the kick starter while press the emergency engine stop switch to position Pressing this switch to position an...

Page 19: ...nd gear by raising the gearshift pedal This sequence is repeated to progressively shift to 3rd 4th top gears 33 5 Raise the pedal to shift to a higher gear and depress the pedal to shift to a lower gear Each stroke of the pedal engages the next gear in sequence The pedal automatically returns to the horizontal position when released Do not downshift when traveling at a speed that would force the e...

Page 20: ...in the clutch lever before coming to a compete stop to prevent stalling the engine Important Safery Reminders Independent operation of only the brake lever or brake pedal reduces stopping performance Extreme application of the brake controls may cause wheel lock reducing control of the motorcycle When possible reduce speed or brake before entering a turn Closing the throttle or braking in mid turn...

Page 21: ...still with them NAME ADDRESS PHONE NO 37 MAINTENANCE THE IMPORTANCE OF MAINTENANCE A well maintained motorcycle is essential for safe economical and trouble free riding It will also help reduce air pollution Careful pre ride inspections and good maintenance are especially important To help you properly care for your motorcycle this section of the manual provides a Maintenance Schedule The service ...

Page 22: ...ne is off before you begin any maintenance or repairs This will help eliminate several potential hazards Carbon monoxide poisoning from engine exhaust Be sure there is adequate ventilation whenever you operate the engine Burns from hot parts Let the engine and exhaust system cool before touching Injury from moving parts Do not run the engine unless instructed to do so Read the instructions before ...

Page 23: ...er has the proper tools and service data and is mechanically qualified In the interest of safety we recommend these items be serviced only by your SKYTEAM dealer SKYTEAM recommends that your SKYTEAM dealer should road test your motorcycle after each periodic maintenance is carried out NOTE 1 service more frequently when ridden in wet or dusty conditions 41 FUEL LINE FUEL STRAINER SCREEN THROTTLE O...

Page 24: ... I I I I 3 000 1 800 18 I I I I I 4 000 2 400 24 I I I I I I I I I Every 1 600km 1 000mi or every 100 operating hours C 43 SERIAL NUMBERS The frame and engine serial numbers are required when registering your motorcycle They may also be required by your dealer when ordering replacement parts Record the numbers here for your reference FRAME NO The frame number 1 is stamped on the left side of the s...

Page 25: ... squeeze out the excess oil 3 Reinstall the air cleaner 1 Air cleaner 1 45 ENGINGE OIL Refer to the Safety Precautions Engine Oil Good engine oil has many desirable qualities Use only high detergent quality motor oil certified on the container to meet or exceed requirements for API Service Classification SE SF or SG Viscosity Viscosity grade of engine oil should be based on average atmospheric tem...

Page 26: ...il If a torque wrench is not used for this installation see your SKYTEAM dealer as soon as possible to verify proper assembly Change the engine oil with the engine at normal operating temperature and the motorcycle on its side stand to assure complete and rapid draining 47 TRANSMISSION OIL SHIFTING GEAR OIL After a long time driving the shifting gear oil in the transmission may degrade which could...

Page 27: ...uare edges and the side electrode should not be eroded 5 Discard the spark plug if there in apparent wear or if the insulator is cracked or chipped NOTICE 49 6 Check the spark plug gap 1 using a wire type feeler gauge if adjustment is necessary bend the side electrode 2 carefully The gap should be 0 6 0 7mm 0 02 0 03in 7 Make sure the plug washer is in good condition 8 With the plug washer attache...

Page 28: ...icant to prevent premature wear and corrosion 52 IDLE SPEED Idle speed The engine must be at normal operating temperature for accurate idle speed adjustment Ten minutes of stop and go riding is sufficient Do not attempt to compensate for faults in other systems by adjusting idle speed See your SKYTEAM dealer for regularly scheduled carburetor adjustments 1 Warm up the engine and hold the motorcycl...

Page 29: ...rward stop and then check the drive chain slack Repeat this procedure several times Drive chain slack should remain constant If the chain is slack only in certain sections some links are kinkied and binding Binding and kinking can frequently be eliminated by lubrication Excessive chain slack may allow the drive chain to damage the engine cases NOTICE 1 Drive chain 54 4 Adjust free play with the th...

Page 30: ...eth for possible wear or damage Adjustment If the drive chain requires adjustment the procedure is as follows 1 Place a support block under the engine to raise the rear wheel off the ground 2 Loosen the rear axle nut 1 1 Rear axle nut 3 Indicator 2 Adjuster 4 Scale If the drive chain or sprockets are excessively worn or damaged they should be replaced Never use a new chain with worn sprockets rapi...

Page 31: ... chain from the motorcycle 2 Clean the drive chain in high flash point solvent and allow it to dry Inspect the drive chain for possible wear or damage Replace any chain that has damaged rollers loose fitting links or otherwise appears unserviceable Never use petrol or low flash point solvents for cleaning the drive chain Afire or explosion could result 3 Inspect the sprocket teeth for possible wea...

Page 32: ...esult in high speed instability and possible loss of control 1 Wheel 2 Spoke 3 Rim lock 59 WHEEL REMOVAL Front Wheel Removal 1 Raise the front wheel off the ground by placing a support block under the engine 2 Remove the front axle 1 The front wheel can now be removed Installation Notes To install the front wheel assembly reverse the removal procedure Be sure to tighten the axle nut to 62 n m 6 3k...

Page 33: ...hat the wheel can be removed 1 Axle nut 2 Nut 3 Cotter pin 61 Installation Notes To install the rear wheel reverse the removal procedure Tighten the axle nut to 45 N m 4 6 kfg m Adjust the drive chain Adjust the brake Apply the brake several times and check for free wheel rotation after the brake pedal is released If a torque wrench was not used for installation see your SKYTEAM dealer as soon as ...

Page 34: ...d your SKYTEAM dealer is qualified to determine whether or not replacement parts or repairs are needed 1 Mounting bolts 1 1 1 64 REAR SUSPENSION Check the rear suspension periodically by careful visual examination Note the following items 1 Swingarm bushings 1 should be checked by pushing hard against the side of the rear wheel while the motorcycle is on a support block and feeling for looseness o...

Page 35: ...e use of high pressure water spray typical in coin operated car washes High pressure water or air can damage certain parts of the motorcycle High pressure washer spray can damage certain parts of your motorcycle If you use a high pressure washer avoid spraying the following areas Wheel Hubs Muffler Outlet Under Seat Engine Stop Button Under Fuel Tank Drive Chain Carburetor Ignition Switch NOTICE S...

Page 36: ...h or sponge dampened with a solution of milk detergent and water Rub the soiled area gently rinsing it frequently with fresh water Take care to keep brake fluid or chemical solvents off the motorcycle They will damage the plastic and painted surfaces 4 After cleaning rinse the motorcycle thoroughly with plenty of clean water Strong detergent residue can corrode alloy parts 5 Dry the motorcycle sta...

Page 37: ... convenient plastic body part so that it is positioned away from the spark plug Remove the spark plug from the engine and store it in a safe place Do not connect the spark plug to the spark plug cap Pour a tablespoon 15 20cm3 of clean engine oil into the cylinder and cover the spark plug hole with a piece of cloth Crank the engine several times to distribute the oil Reinstall the spark plug and sp...

Page 38: ...Head light 12V 35W 35W Turning signal indicator light 12V 10W Tail brake light 12V 21W 5W SPECIFICATIONS DIMENSIONS Overall length 1880mm Overall width8 875mm Overall height 1025mm Wheelbase 1225mm WEIGHT Dry weight 93kg MAIN PERFORMANCE PARAMETERS Fuel consumption at economical speed 1 5L 100km 1 8L 100km Max speed 40km h 25km h 82km h Rated power 1 9kw 7750rpm 1 0kw 6000rpm 5 0kw 6500r min Max t...

Page 39: ... be some discrepancies in this manual SKYTEAM reserve the right to make changes at any time without notice Instrument indicator light 12V 3W 12V 1 7W Horn 12V 1 5A 95 dB A Fuse 10A CHASSIS AND SUSPENSION Caster 25o Tire size front 21 7 00 10 Tire size rear 21 7 00 10 POWER TRANSMISSION ST50 11 ST125 11 Gear ratio 1st 36 11 36 11 2nd 31 18 31 16 3rd 25 21 27 20 4th 20 22 24 23 Final reduction 52 13...

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