Mash Fifty 50CC User manual

User manual

Congratulations!
You are the happy new owner of a MASH which embodies a new spirit, a new
trend : a motorcycle with a look and a philosophy
Vintage , synonymous of freedom.
Please read this manual thoroughly before using your MASH.
Have a nice road !

Important Cautions
About running-in of a motorcycle
The first 1000 km operation is very important in the entire service life of a
motorcycle. A correct running-in can guarantee both the longest service life and
the best performance of the vehicle. Running-in can polish machined surfaces and
form smooth engagement.
Careful and patient running-in can make the motorcycle stable in driving
and give a full play to its excellent performance. It is important not to do any
operation that may cause overheat to engine components.
For specific running-in method, please refer to Running-in of a new
vehicle .
Please carefully read the manual and strictly observe all instructions or
descriptions.
Special attention shall be paid to the contents emphasized with the terms
of warning caution and note , etc.
Warning……It concerns with personal safety. Ignoring it may result in
accident.
Precaution……It refers to operational methods that must be followed or
measures that should be taken, so as to prevent damage.
Note……It refers to special explanations to make maintenance or
important descriptions more explicit.
The operation manual shall be deemed as a permanent document of the
motorcycle. When transfer the vehicle to others, the instruction manual shall
also be transferred to the new owner

6
There are some differences among various models. For any unconformity
between your vehicle and the instruction manual, the real vehicle shall prevail.
Foreword
Thank you for your choosing our motorcycle. In design, development and
manufacture of the series motorcycle, our company applies the latest advanced
technology and equipment to provide you with a motorcycle that is reliable in
performance, novel in design and elegant in appearance. Motorcycle driving is
one of the most exciting sports. The motorcycle is an ideal means of transport.
It can give you infinite driving pleasure. Before driving your motorcycle, please
be familiar with all stipulations and requirements mentioned in the instruction
manual.
The instruction manual deals in the correct use, maintenance and
maintenance of the motorcycle. Observing the following stipulations will
provide a guarantee to your motorcycle for a long time use without trouble. The
distributor has skillful and well trained technical professionals to provide the
best maintenance and service to your motorcycle.

Contents
Specifications
Fifiy.................................................................................................................... 8
Chapter 1
User Instructions ............................................................................................09
Chapter 2
Installation Position of Parts..........................................................................11
Chapter 3
Control Part ....................................................................................................12
Chapter 4
Instructions on Fuel and Engine Oil ...............................................................23
Chapter
Running-in of New Motorcycle......................................................................25
Chapter 6
Inspection before Driving.............................................................................. 27
Chapter 7
Essentials of Driving ...................................................................................... 28
Chapter 8
Inspection and Maintenance .........................................................................32
Chapter 9
Measures to Reduce Pollution...................................................................... 56
Chapter 10
Troubleshooting ............................................................................................ 57
Chapter 11
Storage and Cleaning..................................................................................... 61

8
SPECIFICATIONS
Mash Fifty 50 cc
This list is only information. Changes can be made by the
manufacturer without warning to customers.
Engine type Single cylinder 4T, Air cooling
Engine capacity 49cc
Compression ratio 9.0:1
Idle speed 1450 trs/min
Power max 2.1 Kw à 6800 trs/ min
Torque max. 3.1 N.m à 5000 trs/ min
Ignition CDI
Speed max. 45 km/h
Spark plug A7TC
Battery 12v 8ah
Front tire Fifty 90/90-18 Dirt Track 90/90/17
Rear tire Fifty 3/25-18 Dirt Track 100/90/17
Oil engine SAE10W-30
Oil engine quantity
830 ml
Length /Width /Height 1980/830/1110
Wheelbase 1330mm
Ground clearance 140mm
Weight 100Kg
Weight max 255kg
Fuel tank capacity 11 litres
Fuel SP95 ou SP98 (SP95 E10 not recommended)

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Chapter 1
User Instructions
Instructions on safe driving of motorcycle
There should be a condition for the motorcycle to serve your well. The
condition is paying attention to safety at any time. Therefore, you must observe
the traffic laws and follow the six points below.
Wear safety helmet
Safe driving starts from wearing a safety helmet. This is an important factor
in motorcycle driving. A high-quality safety helmet is the first thing of personal
protection in motorcycle driving. The most serious traffic accident is head
injury. Therefore, be sure to wear a safety helmet to drive a motorcycle, and
wear a pair of proper protective glasses.
Please be familiar with the vehicle structure
Your driving technique and your understanding of mechanical knowledge
are the basis of safe driving. Make exercises in a spacious place without other
vehicle and make yourself fully familiar with your motorcycle and control
method. Be sure to keep in mind that, skill comes from practice.
Understand the limit of your safe speed
Driving speed depends on road surface conditions, your skills and the
weather. Understanding the limit may prevent accident. At any time, accident
may be prevented as long as driving in the range of your skill.
Wear well-fitting dress
Loose and fancy dress may make you uncomfortable and unsafe in your
driving. Riding on the cradle, a well-fitting dress may give you freedom for
activities of your arms and legs. Gloves, boots and safety helmet will show that
you are qualified driver. High quality and tight dress shall be your selection.
Pay more attention to safety during driving in rainy weather
Please note that, in rainy days, the braking distance is two times as much
as that in fine weather. Get away from any manhole cover, paint mark or oil
stain surface to prevent slipping, wet roads are dangerous. Avoid abrupt
steering during acceleration. Be careful when drive over railways and bridges
and keep a safe distance with any vehicle in front.
Inspection before driving
Please carefully read all instructions in inspection before driving of the
manual to guarantee the safety of you and passengers.

10
Position of serial numbers
Chassis number (or VIN code) Engine number
Position of metal nameplate
Chassis number (or VIN code) and engine number is necessary for
registration of your motorcycle. Such numbers are needed with order
components or service, to allow the distributor to provide you with better
service.
Chassis number (or VIN code) is on the riser pipe of chassis. Engine number
is on the left side of crankcase. Metal nameplate is on the riser pipe of chassis,
showing the main technical parameters, manufacturer and date of production
of the motorcycle.
Write the numbers in the spaces below, for future reference.
Chassis number :
Engine number :

11
Brake pedal
Chapter 2
Installation Position of Parts
Handle bar instrument
Left side
Right side
gear lever
Carburetor
Front
wheel
Rear
wheel
Air filter
Fuel tank
switch
Battery and
fuse box
Front Footrests
Drain plug
Rear footrest
Front brake
grip
Clutch grip
Rearview
mirror
Speedometer
Right
handlebar
switch
Left
handlebar
switch
Ignition
switch
Accelerator

12
Key
Chapter 3
Control Part
Two keys are provided. Please use one key and put the other in a safe place
for future use.
Instrumental panel
1. Reset counter
2. Tachymètre : Miles, Km/h
3. General Odometer
Indicates the total distance traveled by the motorcycle since its first use.
4. Turn signal indicator
When left turning signal lamp is ON, the left turning signal indicator on the
panel and turning signal lamp will flash.
When right turning signal lamp is ON, the right turning signal indicator on
the panel and turning signal lamp will flash.
Warning
If one of front and rear turning lights is damaged, the indicators on
the instrument panel and the turning lights may be lit consistently, or may
flash fast or slow. Then, timely locate the cause and carry out
troubleshooting.
Speedometer Fifty euro 4

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. Gearshift Indicator
This indicator will show the current gear where the motorcycle is. There are
all 4 gears. The 4 number indicators will be lit in turn on shifting. However,
when the gear shifter is set in the neutral mode, they will extinguish, but
only neutral indicator (N) is lit.
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
Lights in neutral.
9. Engine light
If this indicator light comes on at the meter, it is necessary to go to an
authorized Mash dealer to make a diagnosis.
Ignition switch
FIG. 1
There are four types position as showed in following sketches
OFF Position
All circuits are disconnected and the key can be removed.
ON Position
All igniting circuits are ON and the engine can be started. The key cannot
be removed in this position.
Lock the handlebar Position
In order to lock the handlebar, turn the bar to the left, then insert the
key. Rotate it clockwise to full stop for locking the handlebar.
Parking position.
To park the motorcycle, turn the key to “ ” position. In this position, the
key can be removed and the tail lamps (parking lamps) and front
positioning lamps keep ON for parking on roadside at night.

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Left handlebar control system
1. Cluch grip
To start the engine or make a gear shifting, press the grip to release the
drive system and cut off the clutch.
2. Dimmer switch
When dimmer switch is turned up to (high beam) position, the head
light is in high beam and the high beam indicator lamp on the instrument panel
is lit. On contrary, 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 vehicle
with its side stand or central stand in a firm way.
Warning
If the handlebar is locked, the motorcycle is never pushed any
longer; otherwise you will lose balance.
4
2
1
3
5
1
4
2

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4. Choke
To facilitate starting, the vehicle is equipped with a choke.
To start when engine is cold, use the choke lever. After starting, allow the
choke lever to go back halfway to allow the engine to heat sufficiently before
releasing the lever in its initial position.
Note :
The choke is used to start the engine in cold condition: in low
temperatures, it makes it easier to start and extend the heating time sufficiently.
The choke must be switched off while driving, as this may increase fuel
consumption.
Warning
Whenever you are going to change lane or make a turning, timely
turn ON the turning signal lamp. After lane change or turning, timely
turn the signal light OFF.
Warning
When the choke is no longer needed, remove it quickly to avoid
overheating and engine damage.

16
. Horn Button
Press « » button and the horn will sound. .
Right handlebar control system
1. Engine shutdown switch
The switch is a rocker switch, located on the tip of right handlebar control
panel, with the rockshaft at the center of the rocker. When it is pressed in
start position, the switch is turned and the engine can be started. It is an
emergency switch.
If the switch is pressed in position, the starting circuit is completely cut
off and the starter motor cannot be started. Do not put the switch in this
position during driving.
2. Front brake grip
To apply front wheel brake, slowly press the brake grip on the right
handlebar. As the motorcycle adopts hydraulic braking do not press it
abruptly or forcefully.
When the brake grip is pressed, the brake light will be lit automatically.
3. Electric start button
Press button to turn on the start motor circuit. During starting, put in
neutral gear position to cut off transmission and guarantee safety.

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4. Lighting switch
« » ON Position
When the switch is turned to this position, the head light, front position
light, instrument panel light and rear tail light will be lit.
« » Parking light position
When the switch is turned to this position, the front position light,
instrument panel light and rear tail light will be lit.
« » OFF position
All the head light, front position light, instrument panel light and rear tail
light go OFF.
. Accelerator grip
Accelerator grip is used to control the engine speed. To accelerate, turn
the grip towards yourself. To decelerate, turn the grip away from yourself.
Fuel tank cap
To open fuel tank cap, insert the key and turn it clockwise. Then, 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 shall be operated not more than 5
seconds. Heavy discharge may cause overheat to circuit and starter
motor. If starting is failed after several attempts, stop to check the fuel
supply system and starting circuit (refer to Troubleshooting ).

18
(1) Fuel nevel
(2) Filler
Gear Lever
The motorcycle is provided with a 5-speed gear transmission. The gear lever
connects to a ratchet mechanism in the transmission. After selecting a gear, the
gear lever returns to the home position, so that the next gear can be selected.
The neutral gear is between the low gear and two speed gear. From neutral
position, press downs the gear lever to engage a low gear. Raise the gear lever
one step to move forward a gear. Owing to the ratchet mechanism it cannot
move two or more gears up or down in one operation. To shift from 2-speed
gear to low gear, or from low gear to 2-speed gear, it passes the neutral position
but not stays there. To engage to neutral gear stop it in the middle of moving
from low gear to 2-speed gear.
Precaution
Do not fill the tank excessively. Never splash fuel to hot engine. No fuel
shall be left on the upper part of the filler, or the fuel may overflow when
fuel temperature rises and expands, causing hazard.
During fuel refilling, shutdown the engine and turn the key to OFF
position. Smoking or lighting fire is strictly forbidden during fuel refilling.

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Warning
When the transmission is in neutral position, the neutral indicator lamp is
lit on the instrument board. Despite the lamp is lit, be careful to release the
clutch grip slowly to make sure if the transmission is really in neutral position.
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, and the brake indicator
light is lit.
Side stand
The vehicle is equipped with a side stand 1.
If you want to park vehicle with side stand, step on side stand end to
front limit position on chassis.
1

20
Fuel cock
Warning : Your bike is equipped with 2 fuel cock: one on the carburetor and one
under the fuel tank.
Warning
If you park the vehicle on sloped ground, please let it head higher
direction to prevent it from sliding down.
For the sake of driving safety, before setting out, please make sure
that stands are return to upper position and they don’t loose and swag.
Fuel cock on carburetor
Fuel cock under fuel tank
Open position
Open position
Closed position
Closed position