Mash Black Seven 250 User Manual Download

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Table of engine troubleshooting

Trouble

Cau

Remedy

•

Sparking
normal in high
voltage cable
and no
sparking in
spark plug

•

Oil stained spark

plug

•

Broken spark plug

magnetic core or

broken electrode

•

Carbon deposit in

spark plug

electrode

•

Incorrect spark
plug gap

•

Remove, clean and

dry it

•

Replace spark plug

•

Clean out carbon

deposit

•

Adjust the gap.

Normal
sparking to
spark plug,
poor cylinder
compression

•

Leaking cylinder

head gasket

•

Loose spark plug

•

Seized piston ring

•

Excessively worn

piston or broken

piston ring

•

Serious cylinder

wearing

•

Leaking intake pipe

•

Damaged

crankshaft
sealing

•

Tighten screw or

replace gasket

•

Tighten spark plug

•

Clean off carbon

deposit in piston

ring and ring groove

•

Replace piston and

piston ring

•

Replace cylinder

body

•

Tighten or replace

rubber ring

•

Replace sealing

Summary of Contents for Black Seven 250

Page 1: ...USER MANUAL USER MANUAL ...

Page 2: ......

Page 3: ...w owner of a MASH motorcycle which embodies a new spirit a new trend a motorcycle with a cool new look and new design philosophy Vintage a new concept synonymous with freedom Please read this manual thoroughly before using your MASH ...

Page 4: ...running in method please refer to Running in of a new vehicle Please carefully read the manual and strictly observe all instructions Special attention should be paid to the contents emphasized with the terms of warning caution and note etc Warning Relates to personal safety Ignoring it may result in an accident Precaution Refers to operational methods that must be followed or measures that should ...

Page 5: ......

Page 6: ...cle riding is one of the most exciting activities The motorcycle is an ideal means of transport but it can also give you huge driving pleasure Before driving your motorcycle for the first time please become familiar with all stipulations and requirements mentioned in this instruction User manual The instruction manual details the correct use and maintenance of the motorcycle Observing the details ...

Page 7: ...d Instruments 12 Chapter 4 Recommendations on fuel and engine oil 22 Chapter 5 Running in of new motorcycle 24 Chapter 6 Inspection before driving 26 Chapter 7 Essentials of driving 27 Chapter 8 Inspection and maintenance 31 Chapter 9 Measures to reduce pollution 54 Chapter 10 Troubleshooting 55 Chapter 11 Storage and Cleaning 59 ...

Page 8: ...ty 110 80 17 Black Seven 110 70 17 Rear tire Two Fifty Black Seven 130 70 17 Oil motor SAE10W 30 Oil engine quantity 1700 ml Length Width Height Two Fifty 2140x710x1050 mm Black seven1970x720x1115mm Wheelbase 1370mm Ground clearance 150mm Weight Two Fifty 130kgs Black Seven 112 kgs Weight max 300kg Fuel tank capacity 14 liters Fuel SP95 or SP98 SP95 E10 not recommended This list is only for inform...

Page 9: ...peed which is consistant with the prevailing weather conditions road conditions and your skill level Keep within safe parameters when judging your speed Please note that on rainy days the braking distance is two times as much as that in fine weather Keep away from any manhole cover paint mark or oil spillage to prevent skidding and always keep a safe distance with any vehicle in front Wear correct...

Page 10: ...ine number are registration of your motorcycle The numbers are also needed when components or spare parts Write the numbers in the spaces below for future reference Chassis number Engine number ine number r VIN code and engine number are necessary for also needed when ordering Write the numbers in the spaces below for future reference ...

Page 11: ...Clutch lever Right handlebar switch Left handlebar switch Rearview mirror Right side Battery and fuse box Rear footrests Spark plug Front Footrests Brake pedal Left side Drain plug Injector Front wheel Air filter Gear level 11 Right handlebar Front brake grip Accelerator Rear wheel ...

Page 12: ...1 1 2 3 4 5 7 8 9 Chapter 3 Controls and instruments Two keys are provided Please use one key and put the other in a safe place for future use Instrumental panel Analogue counter 4 5 Digital counter 6 9 10 10 6 ...

Page 13: ... show the current selected gear There are 5 gears 6 High beam indicator lamp When the head light is in high beam the indicator is lit 7 Trip mileage recorder Indicates the distance traveled on a day or a partial area 8 Indicator neutral mode Light is on when in neutral 9 EFI indicator Lights in the event of injection system failure 10 Fuel level indicator Lights up when the fuel level reaches the ...

Page 14: ...urn the bar to the left then insert the key Rotate it clockwise to full stop to lock the steering Night Parking position To park the motorcycle at night turn the key to position In this position the key can be removed and the tail lamp and front side lamps stay ON for parking on the roadside at night All igniting circuits are ON and the engine can be started The key cannot In order to lock the han...

Page 15: ...ly when it is turned down to low beam position the low beam is lit 3 Turn signal switch When the switch is turned to left position the left turning signal lamp is lit and the indicator lamp on instrument panel flashes When the switch is turned to right position the right turning signal lamp is lit and the indicator lamp on instrument panel flashes Warning Before turn the key to position park the v...

Page 16: ... be lit automatically 3 Electric start button Press button to operate the starter motor Always pull in the clutch lever and try if possible to use the starter motor only in Neutral gear Precaution Remember to turn on the flashing light each time you change lanes or directions Switch it off immediately afterwards 1 1 2 1 4 start position the position the starting circuit is Do not put the the front...

Page 17: ...e The fuel tank cap can be removed together with the key To replace the cap align the arrow on the cap and press the cap together with the key into the fuel tank cap hole until a click sound is heard Then remove the key Warning The starter motor should not be operated for more than 5 seconds otherwise overheating of the starter motor and excessive battery discharge may result If starting fails aft...

Page 18: ...ar Owing to the ratchet mechanism you cannot move more than one gear up or down in one operation To shift from 2nd gear to low gear or from low gear to 2nd gear the neutral position is passed without engaging neutral To engage neutral gear very gently nudge the lever down if in 2nd or uo if in first gear Precaution Do not fill the tank excessively Never splash fuel onto a hot engine Overfilling th...

Page 19: ...tion When engaging into a low gear during high speed driving the engagement of clutch may make a sudden increase in engine speed Before engaging a low gear slow down the motorcycle to prevent unnecessary wear of components in transmission system Rear brake pedal Press down this pedal to apply rear wheel brake When operating the rear brake in this way the rear brake indicator light is on Side stand...

Page 20: ...le on sloped ground please point it uphill and engage 1st gear Make sure that stand is up before setting off on your bike Warning The springs of both sides must be at the same stage Otherwise it cause an instability and poor handling The shock damper springs of rear wheel can be adjusted according to the ment can be one of five the vehicle on its central stand or side stand and turn the spring ten...

Page 21: ...tting Tool kit The tools box is right of side cover To open the box insert the ignition key and turn it clockwise and take down the box cover 21 The tools box is right of side cover To open the box insert the ignition key ...

Page 22: ...oil of proper viscosity shall be used according to local air temperature There are three viscosity levels suitable for the engine namely SAE15W 40 SAE10W 30 and SAE5W 30 Refer to the figure below Warning Gasoline is inflammable and explosive When handling gasoline attention should be paid to prevent accidents In places where gasoline is stored or handled switch off the engine do not smoke and keep...

Page 23: ...tor affecting the service life of the engine Replace the engine oil according to the maintenance period stated in the maintenance table please refer to Page 33 When driving in dusty areas the engine oil should be replaced more frequently than the stipulations in the maintenance table Warning Inferior lubricants will cause irretrievable damage to the engine and seriously shorten the service life of...

Page 24: ... excessive load to the engine Avoid driving at a low speed Running at a low engine speed with light load can only polish the parts but cannot get a good running in So long as the upper limit of recommended throttle opening is not exceeded drive the vehicle in various gears with necessary acceleration However never drive at the maximum throttle during the first 1600 km Oil circulation before drivin...

Page 25: ...e pedal 2 Not spongy feeling 3 No leakage Indicators Neutral gear gear position oil level indicators or turning signal indicators Accelerator 1 Proper free play in accelerator cable 2 Check accelerator returns to closed position Tires 1 Correct air pressure 2 Proper tread pattern depth 3 No cuts or damage Horn Check operation Clutch 1 Proper free play in clutch cable 2 Smooth operation and full re...

Page 26: ...mp is lit Press the electric starting button to start the engine Never rotate the accelerator grip when pressing the starting button Precaution If it is the first time for you to drive this type of motorcycle you are advised to practice on a road away from highways until you have completely become familiar with the controls and operation of the vehicle Warning Make it a habit to engage the neutral...

Page 27: ...ed for a long time can suffer deterioration in fuel condition which can lead to poor starting Check and replace if necessary Cold engine There is No choke because the engine has a fuel injection system Warm engine Rotate accelerator grip for 1 8 1 4 turns and press electric start button to start the engine Warning Never start the engine in a room with poor or no ventilation Never leave the motorcy...

Page 28: ...ing at 3000 5000rpm before fully releasing the accelerator This can prevent the engine from shutdown due to abnormal combustion Driving on a slope Before changing down a gear whilst riding up or down a slope make sure that your speed is not excessive for the gear you are selecting Failure to do this could result in locking the rear wheel over reving the engine or damaging the gearbox Slope climbin...

Page 29: ...f control On wet highways or other loosel road surfaces and during turning be extremely careful to apply the brakes gently Hard braking on loose or wet road surfaces is very dangerous To park your motorcycle on a gentle slope using the side stand engage first gear to prevent sliding back off the side stand Remember to shift to neutral gear before starting the engine Turn the ignition switch to OFF...

Page 30: ... light of safety it is advisable to the inspection and maintenance done by your distributor or qualified maintenance staff Be sure to make regular maintenance thoroughly according to the instructions in the manual Precaution In regular maintenance it may be necessary to replace one or more parts For part replacement it is advisable to use genuine parts or equivalent products No matter if you are e...

Page 31: ...Oil filter strainer C C C C Valve clearance I I I I Timing chain I I I I Chassis bolt and nut T T T T Brake pads front and rear linings I I I I Brake fluid I I I I Replace every 2 years Front fork I I I Rear shock absorbers I I I Wheesl and tyres I I I I Driving chain I I I I Clean and lubricate every 1 000 kms Steering I I I I Cylinder head nut and exhaust pipe bolt T T T T Caption Inspection I T...

Page 32: ...type During use the fluid level must be kept between the upper limit and lower limit Interval Item Every 6000 km or 6 months Every 12000 km or 12 months Accelerator wire Engine oil or 1 Engine oil or 1 Clutch wire Engine oil or 1 Engine oil or 1 Speedometer wire Grease 2 Driving chain Lubricate every 1 000 km 3 Brake cam shaft Grease 2 Accelerator grip Grease 2 Brake wire Engine oil or 1 Engine oi...

Page 33: ... your eyes immediately wash the eyes with plenty of clean water for at least 15 minutes before seeking medical attention 3 In case electrolyte is drunk drink a large amount of water or milk 4 Keep batteries out of reach of children Warning Once the battery has been used no sulfuric acid shall be added If the fluid level drops below the lower limit fill with distilled water to the upper limit Never...

Page 34: ...m the vehicle Some models are equipped with a maintenance free battery in which case no electrolyte filling is necessary To prolong the service life fully charge a new battery before use When the vehicle is not used for a long time remove the negative wire from battery ...

Page 35: ...t the first opportunity The Standard spark plug for the motorcycle has been carefully selected and is suitable for most operating conditions If the colour of the spark plug is found to be different from normal it is advisable to contact your distributor before replacing with a spark plug in a different heat resisting range An improper spark plug may cause serious damage to the engine Therefore con...

Page 36: ...36 Engine oil The longevity of the engine depends on the quality of the oil used the frequency of its replacement and the checking of the oil level ...

Page 37: ...he central stand 2 Remove oil filler cap Warning The Porthole shows the oil level When oil level is low never start the engine Fill with recommended grade of oil until the oil level is just below the upper limit of oil window 1 Fil cap 2 Porthole F Level maxi L Level mini 37 000 km thereafter Oil be carried out when the engine is still warm so as to old oil from the engine The method is as follows...

Page 38: ...ore checking the fluid level with the oil dipstick or porthole The level must reach the upper mark maximum If the level is below this benchmark Warning Please use the engine oil recommended in Instructions on fuel and engine oil engine to drain oil ll with fresh engine oil using the oil filler quantity is correct idle speed for several seconds Stop the engine and wait about one minute before check...

Page 39: ...fter Correct braking operation is very important for safe riding Be sure to have regular inspections of the brake system by a qualified technician Front brake A Hydraulic brake system should be checked every day as follows 1 Check for any leakage or crack in oil pressure pipes 2 Check that the front brake lever does not feel spongy 3 Check wear of brake lining pads 5 10 mm Warning We thoroughly re...

Page 40: ...over in the last maintenance because moisture may get into the old fluid Only SAE J1703 brake fluid should be used Pay attention not to splash hydraulic oil to paint or plastic surfaces to prevent cosmetic damage Reference IPONE brake dot4 Warning Disc brakes are part of a high pressure system For your safety the replacement interval for the hydraulic oil should not exceed the interval specified i...

Page 41: ...be replaced with a new MASH approved parts Warning Do not drive immediately after replacing a new disk brake lining Press the braking grip several times to allow the brake lining to fully extend or until pressure is felt in the brake lever Pads take a little while to bed in so allow a little extra braking time for the first 50 km 4 ...

Page 42: ...ake Adjusting the rear wheel brake pedal The rear brake is a disc brake To adjust the rear wheel brake pedal turn the pedal to the most comfortable position by turning the clamping nut 1 Once the position is adjusted lock it with the counter nut 2 Please keep a guard between 10 and 20 mm 3 of free play 20 30 mm Warning If the rear brake pedal has no free play 20 30mm the rear master cylinder will ...

Page 43: ...ke light switch Rear brake light switch is located at the right side of chassis Adjust brake light switch as follows Lift or lower the switch so that when the brake pedal is pressed the lamp is lit before feeling a pressure 43 thickness must be is less than 2 mm the brake pads must be Regularly degrease the rear brake disc 5 to ensure optimum braking In the event of a brake fluid leak contact your...

Page 44: ...rage Never use aluminum foil steel wire or other things as substitute for fuse If a new fuse is blown in a short time it means there is a major electric trouble Contact your distributor immediately The silencer will become very hot after the motorcycle has been used The fuse box is located inside the guard board on the right side of the stem In case of any trouble with replace it with the ne of th...

Page 45: ...by dust the engine power may reduce and the intake resistance may increase the fuel consumption will also increase Therefore the air filter element should be checked and cleaned every 5000 km as follows 1 Remove the left side guard board 2 Unscrew the air filter outer cover screw 1 and take out the air filter sleeve 2 Precaution The head light is a reflection lamp Do not touch the reflector during...

Page 46: ...n Never twist the filter element to avoid damage 3 Soak the filter element in engine oil tank and squeeze oil out keeping it slightly wet Reference IPONE AIRFILTER CLEAN LIQUIDE FILTER OIL Precaution During cleaning the filter element check for any damage to the filter element and replace when necessary Never start the engine without the filter element installed or the engine wear may be increased...

Page 47: ...tics Adjustment of accelerator cable 1 Locking nut 2 Adjuster 1 Loosen the locking nut 2 Rotate the adjuster to make the wire clearance between 0 5 1 0 mm 3 After clearance adjustment tighten the locking nut once again Warning Never start the engine without the air filter installed The air filter element must be cleaned or replaced more frequently if the motorcycle is used in dusty conditions Neve...

Page 48: ...ncorrect carry out adjustment as follows Warning After accelerator cable adjustment check the operation of accelerator grip Engine idle speed should not increase due to the adjustment and the grip should return to the closed position automatically 4 5 6 justing the tension of the cable from the clutch lever to the clutch operating lever on the engine The cable clearance clearance is found ion of a...

Page 49: ...lock nut 1 and the ring 5 then wrap them with the rubber sleeve 3 Adjustment of driving chain 1 Adjusting bolt 2 Locking nut 3 Mark 4 Rear wheel shaft nut To adjust 1 Park the motorcycle with central stand 2 Loosen rear wheel shaft nut 3 Loosen the locking nut 4 Rotate the adjusting bolt left and right to adjust the chain Note When a new chain is installed it is necessary to check both chain sproc...

Page 50: ...fter Besides regular checks make sure to check the tyre air pressure from time to time to ensure maximum safety and long life Tyre pressure A low tyre pressure may intensify tyre wear and badly affect the driving stability causing difficulties in turning But a too high tire pressure may reduce the contact area between tyres and road surface causing wheel slip and even loss of control It is necessa...

Page 51: ... mm or less it is advisable to replace the tyre When the tread pattern of rear wheel is reduced to 2 mm or less replace the tyre with a new one Warning Problems may occur if a non standard tyre is fitted You are sincerely recommended to use the standard tyres Correct tyre inflation pressure is very important for normal vehicle performance and safe riding Check the tyre wear and inflation pressure ...

Page 52: ...noise pollution please follow the points below Use unleaded gasoline 95 or 98 Do not use fuel SP95 E10 Observe any abnormal engine noise and stop immediately if you suspect a fault has developed Ride sensibly within your capability and do not accelerate or brake excessively ...

Page 53: ... contact your distributor Warning Do not make the above check with the spark plug fixed near any fuel source to avoid fire hazard by igniting the vaporizing fuel Warning Never allow fuel to flow everywhere Collect it in a vessel Keep fuel away from hot engine and exhaust pipe During the operation keep away from any flame or heat source 53 If the engine cannot be started check the following items t...

Page 54: ...H dealer Note Before any troubleshooting it is advisable to consult with your distributor in advance If the motorcycle is still in warranty period be sure to contact your distributor before making any attempt to repair by yourself Tampering with the vehicle in warranty period may invalidate the basis of warranty Refer to the warranty book provided by the authorized MASH dealer ...

Page 55: ...ean and dry it Replace spark plug Clean out carbon deposit Adjust the gap Normal sparking to spark plug poor cylinder compression Leaking cylinder head gasket Loose spark plug Seized piston ring Excessively worn piston or broken piston ring Serious cylinder wearing Leaking intake pipe Damaged crankshaft sealing Tighten screw or replace gasket Tighten spark plug Clean off carbon deposit in piston r...

Page 56: ...of fuel intake system Crankcase leakage Clean or replace fuel line Replace the seal Overheat engine Low gear driving over a long time Over loaded driving or long time driving with heavy load Unqualified engine oil or insufficient transmission oil Slipping clutch Too tight chain Unreleased brake Change gear position and control time Control load carrying and rest from time to time for cooling Repla...

Page 57: ...oring the motorcycle empty the fuel tank Gasoline used in motorcycle is highly inflammable and even explosive under certain conditions Therefore never allow the motorcycle to get close to any fire Never park the vehicle in a place storing articles subject to spontaneous combustion such as grains coal cotton etc because fire hazard may happen when the fuel in the vehicle contacts naked flame Tyres ...

Page 58: ...ttery has whitened plates and if it can not be restored even after recharging it means the service life has come to an end Steps for returning a stored bike to service 1 Clean the entire motorcycle 2 Remove the spark plug and rotate the engine for several turns before reinstalling the spark plug 3 Reinstall the battery Note Make sure to connect the positive connector before the negative one 4 Adju...

Page 59: ...hat they are never applied to the sprockets drive chain seals and wheel axles Rinsing residues and degreaser have to be done with clean water Cleaning Cleaners that are too acidic or aggressive are not recommended for washing the motorcycle Especially for the axes bearings levers pivots wheels and spokes If however it is necessary to use for stubborn stains respect the instructions and time of app...

Page 60: ...corrosive action of salt Protect the vehicle from corrosion by spraying an anti corrosion and lubrication product on all metal surfaces chrome plated or nickel plated After cleaning Dry the body parts with a soft absorbent paper After being dried with disposable cloth the drive chain should be lubricated with a specific lubricant to prevent it from rusting It is recommended to rub the chrome or st...

Page 61: ...specifications in the manual are the latest before publishing Owing to improvement or other changes the contents of the manual may differ from actual conditions Our company reserves the right of modification at any time Product specifications and parameters are subject to change without notice Product configuration and spare parts supply may vary for different countries or regions For details plea...

Page 62: ...www mashmotors com Your MASH Stockist mash motors fr ...

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