Princess auto Drift hero User manual

ASSEMLBY INSTRUCTIONS
CAUTION
NEVER ATTEMPT TO START THIS MINI BIKE WITHOUT
READING AND UNDERSTANDING THE OWNER’S MANUAL.
THE OWNER’S MANUAL PROVIDES INFORMATION ON
SAFETY, PARTS, FUNCTIONS, PRE-RIDE INSPECTION,
STARTING AND MAINTENANCE.

REMOVAL FROM CRATE
FRONT FORK
ASSEMBLY HARDWARE
M10 STEERING BOLT
1
10mm WASKERS
2
M10 SELF-LOCK NUT
1
FRONT RACK AND
RENDER ASSEMBLY
FRONT RACK
1
FRONT FENDER
M8*20 BOLT
4
M8 NUTS
4
8mm WASHERS
2
ZIP TIES OF CABLES
ZIP TIES
2
ENGINE MOUNT BOLT
M8*30 BOLT
4
M8*20 BOLT
1
M8 NUTS
5
8mm WASHERS
1

CLUTCH COVER
Clutch Cover
1
Clevis Pins
4
FRONT WHEEL
ASSEMBLY
FRONT WHEEL
1
M14 AXLE BOLT
1
M14 SELF-LOCK NUT
1
14mm WASHER
2
CLUTCH ASSEMBLY
CLUTCH ASSY
1
CLUTCH BUSHING
1
6mm WASHER
1
M5/16-24*4/3 BOLT
1

ENGINE INSTALLATION
1\ INSTALL THE JACKSHAFT ASSEMBLY TO
THE ENGINE OUTPUT SHAFT SIDE.
2\ TIGHTEN THE 4-M8*16 BOLTS:
TROUQE 13-18 ft.lbs
3\ INSTALL THE CLUTCH TO ENGINE SHAFT.
PUT THE PARTS LIKE THE FOLLOWING
ORDER:
CLUTCH BUSHING (20*25*5mm), CLUTCH ,
WASHER(8*25*3mm), M5/16-24*4/3 BOLT.
4\ TIGHTEN THE CLUTCH BOLT:
TROUQE 13-18 ft.lbs
5\ INSTALL THE CHIAN (JACKSAHFT
08MA-42) , TO CONECT THE CLUTCH AND
SECOND DRIVEN SPROKET.
Clutch Bushing
Clutch Assy
Washer and Spring washer
M5/16-24*4/3 Bolt
Engine Assembly
Drive Chian 08MA-42
4-M8*16 Bolt
Jackshft Assembly

6\ PUT THE ENINGE ON TO THE FARME, USE
THE ENGINE MOUNT BOLTS (4-M8*30 BOLT)
TO KEEP THE ENGINE ON POSITION.
7\INSTALL THE CHIAN TO SECOND DRIVE
SPROCKET, MOVE THE ENGINE FORWARD
TO KEEP THE CHAIN TIGHTED.
8\TIGHTEN THE ENGINE MOUNT BOLTS
(4-M8*30 BOLT)
TROUQE 13-18 ft.lbs
CAUTION: ALL THE PARTS ARE PUT IN THE
PAG WITH THE LABEL “CLUTCH ASSEMBLY”.
Engine Mount Bolt
Engine Mount Bolt

SECURE WIRES AND CABLES
9\ TIGHTEN THE JACKSHAFT TO FRAME
MOUNT BOLT (M8*20 BOLT)
TROUQE 13-18 ft.lbs
CAUTION: ALL THE PARTS ARE PUT IN THE
PAG WITH THE LABEL “CLUTCH ASSEMBLY”.
Jackshaft to Frame Mount Bolt
1\ MOUNT THE THROTTLE CABLE TO THE
ENGINE THROTTLE BRACKET AND CONECT
SWITCH OFF WIRE WITH THE ENGINE WIRE.
2\MAKE SURE THE ON/OFF SWITCH WIRE,
THROTTLE CABLE AND BRAKE CABLE ARE
NOT KINKED AND HAVE FREE MOVEMENT
WHEN THE HANDLE BAR ARE TRUNED FROM
LEFT TO RIGHT.
3\ SECURE WIRES AND CABLES TO FRAME
USING THE ZIP TIES PROVIDED.
Throttle Cable mount point
ON/OFF Switch Wire Conect Point

1. Install front Fork Assembly by
inserting the 10mm steering bolt
through the assembly in the
following order:
Top bracket, Small 10mm
Washer, Steering Neck, Large
10mm Washer, Bottom Bracket,
Large 10mm Washer, Lock Nut
FRONT FORK INSTALLATION
2
Large Washer
Small Washer Steering Bolt
Large Washer
Lock Nut
10mm Steering Bolt
10mm Large Washers 10mm Small Washer
10mm Lock Nut
Top Bracket
Steering Neck
Bottom Bracket
2. Tighten nut snug

3
2. Attach front fender with 8mm x
20mm bolts, large 8mm washers
and 8mm nuts.
Note: Small portion of fender faces
foreward
FRONT RACK AND FENDER INSTALLATION
Large 8mm Washers
8mm Nuts
8mm x 20mm Bolts
8mm x 20mm Bolts
8mm x 20mm Bolts
Large 8mm
Washers
8mm Nuts
8mm Nuts
1. Attach the Front Rack to the
Steering Column Assembly using
8mm x 20mm bolts, and 8mm nuts

4
FRONT WHEEL INSTALLATION
1. Orient the front tire so the arrow
on the tire faces forward.
2. Insert Axle bolt with the 14mm
washers between the forks and
wheel assembly on each side.
14mm Axle Bolt
14mm Washer
14mm Lock Nut
Arrow faces forward
Large 8mm Washers
14mm Axle bolt 1ea.
14mm washers 2ea.
14mm lock nut 1ea.
3. Install 14mm lock nut
and tighten snug.

SECURE WIRES AND CABLES
INSTALL CLUTCH COVER
1. Make sure the On/Off Switch
wire, Throttle cable and Brake
cable are not kinked and have free
movement when the handle bars
are turned from left to right.
2. Secure wires and cables to frame
using the Zip ties provided.
5
Zip Ties
Zip Ties
Clutch Cover
3. Install clutch cover over the 4
Bracket Tabs with Clevis
Pins installed
bracket tabs provided on the clutch
assembly. Make sure the clutch
cover is attached securely.
4. Insert clevis pins through
the 4 bracket tabs

OIL AND FUEL
Engine Oil
Mini bike may have oil in it when
shipped from the factory.
However, it is a good idea to
drain this oil and replace with
new SAE 10W-30 Motor Oil.
1
Changing the engine oil
1. Remove the oil ll plug (1)
2. Remove the drain bolt (2) located on
the bottom of the engine.
3. Allow the oil to drain in an appropriate
container. Note: Dispose of oil at an oil
recycle center.
4. Install the drain plug and ll with SAE
10W-30 motor oil. This mini bike takes
.63qt. (.6L) of engine oil. Oil should be up
to the brim of the ll hole.
5. Re- install ll cap, Start engine and
allow to run for a few minutes, Re-check
oil level and ll accordingly.
1
2
Fuel level
Filler neck
FUEL
Never use leaded gasoline in this product.
It could affect the engine’s emissions and
damage the engine.
Mini Bike requires clean unleaded regular
gasoline with a minimum octane rating of
86 or higher.
Fill with gasoline up to the bottom of the
ller neck.
6
Caution: Do not over or under ll
with Motor Oil
Fill level

Tires
1. Check tire pressure. Incorrect tire
pressure can affect the handling,
rider comfort, steering, tire life and
traction. Always check the tire pres-
sure before each ride.
Tire pressure
Front tires: 10psi
Rear tires: 10psi
TIRE PRESSURE
7
Chain tension
Check the tension of the chain , The chain
(1) tension should be
1/2 - 3/4 in. (15-20mm)
Chain tension (slack)
adjustment
1. Loosen bolt (2) on the rear axle
assembly.
2. Adjust chain tension by turning the
tension nuts (3) (Note: Tension nuts are
located on both sides of the mini bike.)
Clockwise will tighten the chain. Counter
clockwise will loosen the chain.
3. Once the chain is at the correct tension
re-tighten axle bolt (2).
4. Re-check chain tension.
1/2 - 3/4 in.
(15-20mm) 1
2
3

8
Brake Lever Adjustment
The front left brake lever (1) should
have 2.0 - 4.0mm (0.08 - 0.16) of
free play.
To adjust brake lever free play:
1. Loosen the jam nut (2) on the
brake cable.
2. Turn the adjuster nut (3) until the
correct amount of free-play is
achieved.
3. Re tighten jam nut (2)
12
2.0 - 4.0mm
(0.08 - 0.16 in)
Brakes
3
BRAKE ADJUSTMENT
4
5
Brake Adjustment
To adjust brakes, loosen the rear
axle bolt (4)
Locate the adjustment nut (5)
located on the rear brake drum
assembly.
To adjust brakes, turn the
adjusting nut (5) clockwise to
increase braking, counter clockwise
to decrease braking.

THROTTLE ADJUSTMENT
9
Throttle Cable adjustment
The hand grip throttle free play (2) should
be .078 - .24 in (2-6 mm)
To adjust freeplay
1. Loosen jam nut (3)
2. Turn adjusting nut (4) to proper setting
3. Once throttle grip is at the proper
freeplay, re-tighten the jam nut (3).
2
3
4
.078 - .24 in
(2-6 mm)
It is important that the throttle grip have a
certain amount of free play .

THROTTLE ADJUSTMENT
10
Performing maintenance and
checks while the engine is running
could be hazardous.
You could be severely injured by
moving parts or hot surfaces.
Never perform maintenance or
check procedures while the engine
is running with the exception of
checking the engine stop switch or
throttle.
!WARNING
Failing to inspect and maintain the
Mini Bike could be hazardous.
Not following the pre-ride
inspection procedures could result
in loosing control of the Mini Bike
resulting in an accident or damage
to the Mini Bike
Always perform a Pre-ride inspec-
tion before each ride.
PRE-RIDE INSPECTION
!WARNING
Inspecting and checking the
condition of the Mini Bike before
each ride is important. Following
the pre-ride check list will help
insure there are no problems which
could result in injury or becoming
stranded. Make sure the Mini
Bike is in good operating condition
before each ride.
WHAT TO
CHECK
CHECK FOR
Steering • Smoothness
• No restriction of
movement
Brakes • Proper brake lever
play
Tires • Proper tire pressure
Fuel Tank • Enough fuel for the ride
• Fuel cap secure
• Hoses have no signs of
cracks or leaks
Throttle
grip
• Throttle grip snaps
back to idle when
released
• Operates freely
• Has correct free play
Engine
Stop
Switch
• Switch shuts off engine
when activated.
Engine
Oil
• Correct oil level
Drive
Chain
• Proper tension
• Lubricated
General
Condition
• Cotter Pins on axle
• All nuts and bolts tight
• No rattles from engine
or frame while running

11
STARTING ENGINE
STARTING ENGINE
To start the engine
1. Place the fuel valve (1) to the “ON”
(right) position
2.. If engine is cold, place the choke lever
(2) to the “ON” (left) position.
3. Place the ON/OFF switch (3), located on
the handlebars, to the (on)position.
4. Pull the starter recoil cord to start the
engine.
5. Once engine has warmed up for a few
minutes, place the choke lever (2)
back to the “OFF” (right) position.
1
2
Starting or running the Mini Bike in
an enclosed area such as a garage
or shed where there is no
ventilation is hazardous.
Inhaling exhaust fumes from the
Mini Bike can cause severe injury
or death.
Never start or run the Mini Bike in
an inclosed environment where
there is no ventilation. Always start
and run outdoors.
!WARNING
3