ZHENGHUA PST50-2 User manual

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PREFACE
To my dear customers:
We’d like express our gratitude for your
choosing ZHENGHUA motorcycles.
ZHENGHUA motorcycles are sold overseas
for its reasonable design, advanced technique and
beautiful appearance. The quality of our products
enjoys good reputation among new and old
customers.
As an ideal foot-substitute and transport tool,
ZHENGHUA motorcycles will offer you more
convenience to your work and bring more pleasure to
your life.
The manual contains the right and simple
way to use and maintain the motorcycles. Please read
carefully before using it. It is very helpful for your
using and maintenance. In order to make your
motorcycle work in good condition, please use the
initial fitting of ZHENGHUA factory. If you have
any question and difficulty in the process of using
our motorcycles, please contact us in time. We would
supply you with high-efficiency and quality service.
Your sincere suggestion for ZHENGHUA
motorcycles are warmly welcomed.

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This product has been patented in the
United States
Any copying or counterfeiting would be
strictly forbidden.
Patent No:

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INPORTANT NOTES
Tips of motorcycle brake-in
The first 1600 km is the most important in the
life of your motorcycle. Proper break-in operation
during this time will ensure maximum life and
performance of your new motorcycle. Zhenhua
motorcycle parts are made of high quality materials,
and machined precisely, so the right way of break-in
can ensure every part being absolutely smooth and
precise. It is most important that you should avoid
operating the engine in the manner which could
cause the engine parts to excessive heat such as
running at very high speed for a long time.
Please refer to “break-in” section for specific
break-in recommendation.
SPECIAL
WARNING/WARNING/CAUTION/NOTE
Please read this manual and follow its
instruction carefully. To emphasize special informa-
tion, the words “WARNING”, “CAUTION” and
“NOTE” carry special meaning and should be
carefully reviewed.
WARNING!
The personal safety of the rider may be
involved; disregarding this information could
result in casualty to the rider.
SPECIAL WARNING!
The word that the driver must comply
with the safety issues, otherwise they will
endanger themselves and others..

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CAUTION:
The word representation of those that must
comply with the use or operation notes, to
avoid damage to motorcycle.
CAUTION:
This provides special information to
make maintenance easier or important
instructions clearer

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SPECIAL WARNING
1.Please learn how to drive in regular driving
school and get the drive license before
driving.
2.You must comply with local laws and
regulations of the traffic. Driving after
drink is strictly prohibited, use of cell
phone or smoking in driving process is
prohibited neither.
3.Never lend your motorcycle to anybody
that don't drive nor no drive license.
4.Never drive before read this manual.
5.Don't modify by yourself, any consequence
should be born by your self.
6.Not be used for purposes other than riding
7.Never release handle in driving
8.Avoid sharp turn. Please drive slowly when
turn, especially rainy and snowy. No speed
over 5mph when turning, neither no speed
over 3mph when reversing.
9.Once there are exceptions, please do not
ride, please contact our dealer for
maintenance.
10.Prohibited without wearing safety helmets,
goggles and safety services to motorists.

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11.Please take a good run-in , and regularly
check whether the bolts screws loosening.
Otherwise, the frame will affect the
strength and driving safety.
12.Don’t park your motorcycle near the fire
or smoke.
13.In order to prevent fire, don’t charge the
fuel when motor running, not to excess fuel
in the start state
14.Don’t touch the engine and exhaust when
motor running or just stopped. Prevent the
inflammable close to the engine.
15.Don’t drive on the highway
16.Don’t lay on the glove box when driving.
17.Carefully check every time before drive.
1）If all screws tighten enough.
2）If the oil, brake, tire pressure, lights
works properly.
3）Carefully check the water cooler if your
motorcycle have it. Check all the joint
for leakage after start.
The engine will be burned
immediately if lack of oil and cooling
fluid. The importer and dealer born
no response if your counter the
special warning above.

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CONSUMER INSTRUCTION……………………8
PARTS LOCATION………………………………11
OPERATING …………………………………19
KEY……………………………………………19
IGNITION SWITCH…………………………19
FUEL CAP……………………………………19
DAS H BO ARD ……… … ……… … ……… … 20
LEFT、RIGHT HANDLEBAR…………………21
FUEL COCK……………………………………23
REAR SHOCK ABSORDER……………………24
REAR DIFFERENTIAL GEAR…………………24
FUEL & ENGINE OIL RECOMMENDATIONS…
…………………………………………………26
BREAK-IN FOR A NEW MOTERCYCLE………26
INSPECTION BEFORE RIDING………………31
RIDING ESSENTIALS…………………………32
STARTING THE ENGINE………………………32
INSPECTION AND MAINTENANCE…………35
TOOLS…………………………………………37
STORAGE BATTERY……………………………37
AIR CLEANER…………………………………38
SPARK PLUG……………………………………39
ENGINE OIL……………………………………39
CARBURETOR…………………………………41
DRIVE CHAIN…………………………………42
BRAKES…………………………………………43
REAR BRAKE LIGHT SWITCH………………45
TYRE…………………………………………45
LIGHT CHANGING……………………………47
INSPECTION AND MAINTENANCE…………48
CHEANING STORAGE GUIDE ………………49
TABLE OF CONTENTS

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CONSUMER INFORMAION
PRECAUTIONS ABOUT ADDING ACCESS-
ORIES AND PREPARATION BEFORE RIDING
You may buy all kinds of accessories to add
your Zhenhua motorcycle, but unnecessary and
unsuitable accessories would invite trouble for your
riding. It is impossible for Zhenhua to check the
quality of every accessory in the market, but our
service station can supply you with high quality
accessories and can equip properly for you.
Please choose and add accessories carefully and you
should comply with the following instruction:
（1）Please choose the genius parts from the
original factory. The installation should be
properly and fasten. The wrong installation
would cause bad influence to the
performance and safety.
（2）Checking the off-ground height of accessory
and the angle, the improper adding will
make the two aspects unsafe, also the
accessory adding should not hinder parking,
diverting and other manipulating.
（3）Customize the motorcycle by your self is not
recommended, especially the parts that
effective to your drive safety.
（4）Wind guard, backrest, and saddle boxes are
counter wind parts that cause the motorcycle
unbalance. Especially when the wind from
side and meet the huge vehicle.
Unfastened accessories or bad design
equipment will cause the dangerous, so you
have to choose the safe accessories and fix
properly.
（5）Some accessory adding may cause the seat

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of the driver diverting from the original
position, this doesn’t only restrict the range
of driver’s action, but limit his skill of
operating as well.
（6）The extra electric fitting may weight the
original electric system, on some
over-weighted conditions, the accessory
may be destroyed or the power may be cut
off.All the fitness should be fasten, loosen of
the parts is the directly cause of the damage
and dangerous.
SAFE RIDING RULES
Motorcycle riding is great fun and an exciting sport.
Motorcycle riding also requires that some extra
precautions be taken to ensure the safety of the rider.
The driver should comply with the following rules:
WEAR A HELMET
Motorcycle safety equipment starts with a good
quality helmet. One of the most serious injuries that
can happen is a head injury. ALWAYS wear a
properly approved helmet. You should also wear
suitable eye protection.
DRESS
The slack and curious clothing will make you
uncomfortable and unsafe, so please choose the good
quality and tight clothing.
REVIEW THE OWNERS MANUAL
Review thoroughly this owner’s manual to
familiarize your motorcycle construction and basic
characteristics, then make a pre-ride inspection as
per “inspection before riding” and perform any
needed adjustments making the parts in best
condition to ensure the safety of the rider.In order to
keep the driver and passenger's safe.
FAMILIARIZE YOURSELF WITH THE
MOTORCYCLE

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Your riding skill and your mechanical
knowledge form the foundation for the safe riding
practice. We suggest that you practise riding your
motorcycle in a non-traffic situation without
obstacles until you are thoroughly familiar with your
machine.
KNOW YOUR OWN SCOPE OF SKILL
The riding should be always controlled in the
scope of your riding skill, never try the risky riding.
PAY ATTENTION TO SOME SPECIAL CONDI-
TIONS
Pay more attention during the bad weather days
Riding on bad weather days, especially wet ones,
requires extra caution. Breaking distance double on a
rainy day. You should ride the motorcycle slowly and
keep a sufficient brake distance.
Take extreme caution at railway crossings and on
metal gratings and bridges. Whenever in doubt about
road conditions, slow down!
PRECAUTIONS ABOUT THE RIDING ACCI-
DENT
Many motorcycle accidents happen during
motorcycle turning or other vehicle turning in front
of motorcycle, therefore, it is best to wear bright or
reflective clothing and take care while turning. You
should turn on the front and rear light to remind
other drivers. Never drive your motorcycle into other
driver’s blind spot.
MODIFICATION
It is dangerous and illegal to modify the equipment
or remove the parts from the original equipment, so
all the equipment should in comply with the
specification.
SERIAL NUMBER LOCATION

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The frame and engine serial numbers are used to
register the motorcycle; it is also useful for the
Zhenhua maintenance station.
The frame number ①
The engine number ②is on the bottom of the
engine center.
Please fill out the form with the correct number :
The frame number:
The engine number:
PARTS LOCATION

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PST50S-9R
PST50S-8

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PST50S-12

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PST50S-8

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PST50S-8

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PST50S-9R

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PST50S-9R

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PST50S-12

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PST50S-12