Massimo MSU 300 Manual de usuario
MASSIMO MSU 300
Owner's Manual
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Table of contents
I. Notices
II.Technical parameters
III. Placement drawing for whole vehicle
IV . Inspection before driving
V. Driving operation
VI. Running-in of new vehicle
VII. Maintenance and repair
VIII. Trouble diagnosis and elimination
IX. Screwing moment of important bolts
X. Specification and dosage table for fuel, Lubricating oil and brake liquid
XI. Circuit diagram
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I、Notes
1. Obey the local law and regulations when driving. Meanwhile for safety,
please follow the stipulation as bellow:
(1) Must be specially trained and guided before driving.
(2) This is a off-road vehicle, please do not drive it on public road (unless the
local law, regulation is permitted).
(3) Anyone under 16 years old is not allowed to drive the vehicle.
(4) Do not operate vehicle after consuming drugs or alcohol.
(5) Fasten the safety belt, and put on protective clothes, helmet and so on.
(6) Over-speeding is not allowed or the driving speed exceeds the driver’s skill to
control of the driving conditions.
(7) Extra passengers per seat are not allowed. One seat allows one person.
2. Please read this operating instruction carefully before using this vehicle, and
drive, check and repair it by the requirement in this manual to keep vehicle in proper
technical status and prolong its lifetime use.
3. Initial running for 1000km of vehicle is period. In this period, it is necessary
to follow regulations of period (see the chapter—for new vehicle). After period
expires, it is necessary to make vehicle maintenance by regulation.
4. Unit comes with one year power train warranty of vehicle. (talk to the place
you bought your unit for more warranty information)
5. Damaged parts in following items could not be repaired freely, they should
be paid:
(1) Damages caused by wrong usage, maintenance and storage which do not
accord with this operating instruction.
(2) Damages caused by force, chemical substance, bad substance or other natural
disasters.
(3) Consumed parts in normal usage, such as: bulbs, fuse (pipe), air filter core,
engine oil filter core, gasoline filter core, brake friction sheet (disc,drum), spark plug,
tire, transmission belt, appliqué, rubber parts, standard fastening parts, lubricating oil
(grease), coolant, brake liquid and so on.
(4) Damages caused by improper assembly or repair, such as self-dismantling or
changing this vehicle without approval of our company and chartered sale(repair)
store, or sending chartered sale(repair) store for repair which is not appointed by our
company.
(5) Vehicles which could not provide warrant card or vehicle purchase credential.
(6) Malfunctions caused by using other parts or accessories which are not
provided by our company.
(7) Various overhead expenses caused by repairing vehicle(such as telephone fee,
vehicle fare, freightage, work missing fee, repair fee out of repair store appointed by
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our company).
(8) Abnormal abrasions and damages caused by wrong using gasoline,
lubricating oil, coolant and brake liquid.
(9) Feeling phenomenon which could not influence mechanical performance,
such as: noise, vibration, heat and so on.
(10) Damages caused by that you do not check and maintain vehicle periodically
by our requirements.
II、Technical parameters
(I)、Common technical data
1、Mass parameters(kg)
Mass of whole equipments(not including driver)：540Kg
Front shaft：240Kg
Rear shaft：300Kg
2、Dimension parameter(mm)
Total length×total width×total height:2630×1230×1890
Minimal clearance apart from ground：183
Wheelbase：1800
Tread：front wheel：1058 rear wheel：1070
Approach angle(°)：60
Removed angle(°)：85
(II)、Using data
1、High running speed(km/h)：53
2、Minimum turn around semi-diameter(m)：4.2
3、Brake performance (No-load brake distance m)。
When V０=20km/h：2.5
When V０=30km/h：5.4
When V０=40km/h：9.5
When V０=50km/h：14.6
4、0—50Km/h accelerating time（S）： 15
Time of start running(the used time from stop to run 200m distance) (S): ≤18s
Accelerating time(the used time run 200m at 30km/h) (S): ≤14s
5. Oil consumption for 100 kilometers (L)：6（when speed is 40km/h）
6. Exhaust：
Reach Euro II exhaust standard.
7. Limit load of good box：300Kg
(III)、Engine
Type：VM173MN
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Form：four-stroke、water cooling、single cylinder horizontal type、roof valve、
Carburetor type.
Cylinder diameter(mm)：72.75
Travel(mm)：66.8
Cylinder volume(mL)：278
Compressed ratio：10：1
Exhaust quantity of engine(mL)：278
Maximal power (kw/r/min)：16/6500
Maximal torque(N·m/r/min)：23/5500
Rated power (kw/r/min)：13.8/6500
Lowest fuel consuming rate (g/Kw·h)：340
Idling speed (r/min)：1500±10%
Ignition type：TCI（digital）
Start type：electronic start
Fuel category：RQ-93 lead-free gasoline
Lubricating oil category：SAE 15W—40
Engraved position of factory number：Upper surface on rear part of left
crankcase
Ignition ahead angle(°/r/min)：10/1500
32/1500
Lubricating type：Pressure and splash lubricating type
Engine oil pump type：trochoid type
Water pump type：centrifugal type
Carburetor type：Y28V5
Magnetoelectrical machine type：TCI exterior spring flywheel magnetoelectrical
machine（Power supply voltage 12V）
Spark plug type：DR8EA（NGK）
Clutch type：dry type、automatic centrifugal type
Automatic shift ratio：2.20~0.88∶1
(IV)、Chassis
1. Clutch and transmission：tapered plate belt transmission, stepless shift
2. Reverse gear device of main transmission：
Main transmission：High Speed Gear：19/27
Low Speed Gear：27/19
Reverse Gear：22/15
3. Driving type：4×2 rear wheel drive; shaft transmission。
4. Suspension：
Front suspension：swing arm type independent suspension.
Rear suspension：whole type rear axle、absorber type non-independent
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suspension。
5. Wheel alignment parameter：
Front wheel camber：1°±45′
Main pin K.P.I：13°
Main pin castor：4±1°
Front toe-in：2—5mm
6. Tire：
Front wheel：Front wheel type 25×8.00—12. Air charging pressure：
148Kpa (21PSI)
Rear wheel：Tire type 25×10.00—12 Air charging pressure：
197Kpa (28PSI)
7. Steering organization：
Adopt gear rack type redirector, total circle number of steering plate：3.75；
total swing angle of steering wheel：70°.
The maximum left turning angle of left wheel: 35°.
The maximum right turning angle of right wheel: 35°.
8. Arrester：
Running arrester adopts front and rear placement dual-pipeline hydraulic
pressure brake system, front and rear wheels adopt drum type arrester. And parking
arrester adopts mechanical transmission organization to work on rear wheels.
9. Goods box overturn roof and self-saving winch：
Good box could adopt overturn roof structure and equip self-saving winch
to drag itself if relapsing into loose sludge.
(V)、Electric apparatuses
1. Pipeline system：pipeline system adopts single-line system，Minus ground
strap，pipeline voltage is 12V。
2. Generator：type is FM169，rated power is 300W。
3. Storage cell：voltage is 12V，capacity is 24A·h。
4. Starting engine type：12V forever magnetic DC electric engine。
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III、Placement drawing for whole vehicle
1、Engine hood 2、Indicator 3、Front headlight
4、Bump 5、Front tire 6、Seats
7、Safety Belt 8、Side board 9、Fuel tank（cap）
10、Rear fender 11、Goods box 12、Reinforce pole
13、Head Rest 14、Top cover 15、Steering Wheel
16、Canopy Frame
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Side drawing for engine
1、CTV case 2、Oil intake of gear case 3、Flange of transmission shaft
4、Generator 5、Carburetor 6、Starter
7、Idling speed electromagnetic valve 8、Spark plug
9、Oil intake of engine
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VIN code position Position of engine number (on CVT)
Oil intake of engine Engine oil dipstick
Oil drain plug of engine（under the engine）Intake of gear case
Fuel box cover (on the left side board) Coolant & brake fluid intake
Warning：Engine oil quantity should be between upper and lower position, over more or
less oil would burn out or damage engine.
Warning：Oil drain plug of engine should be tightened，otherwise engine would burned
for oil leakage.
齿轮箱油应按规定的牌号和量添加，过多会导致漏油，过少会烧毁齿轮箱。
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Oil checking hole of main reducer
Oil intake of transmission
Warning：Oil in main reducer should be filled by prescriptive trademark.
Oil quantity in main reducer should equal to oil intake orifice ,over more will
incur oil leakage, and over less will burn out main reducer.
Warning：Oil quantity in Transmission should be added by stipulation, much more will cause
leakage, less will be burnned out..
Warning：it is very dangerous to unscrew radiator when engine is hot，for steam
and water will spurt by the pressure to hurt people at this time. It is necessary to
unscrew radiator cover after engine becomes cool.
Warning: Please fill up the brake liquid according to the stipulated trademark and
type. Can not mix the different brake liquid from different makers. Keep the
liquid level in proper position, otherwise will cause accident.
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