4-Stroke Motor parts 
(Repair/Tips Videos)

   4-stroke 50cc to 140cc Horizontal Motor parts

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4-stroke Kill Switch (automatic motor, 4-wire version $8

160cc Horizontal Motor Gasket Set $24

4-Stroke 110cc Gasket set   $14

4-Stroke 50cc Gasket set  (hortizontal motor) $14

4-Stroke 70cc/90cc Gasket set   $14

4-Stroke 125cc Gasket set  (Horizontal motor)  $14

4-Stroke 100cc Gasket set   $14

Wire Tie (30 set) $2, 300 set $14

22 4/5 inch 4-Stroke Chains  (size #420) $18

21 3/4 inch 4-Stroke Chains (size #420) $18

20 4/5 inch 4-Stroke Chains (size #420) $18

Heavy Duty 25 3/4 inch 4-Stroke Chains  (size #420) $19

4-stroke master Link (Pair) for size #428 Chain $4

X7/FS529A 4-stroke Hydraulic Brake $45 

4-stroke Curve Kick Starter (10mm Extended style)  $16

 4-Stroke Kick Starter $17

X6 Bike 33 Tooth Sprocket $16 

4-stroke Chain Breaker  (for size  #428  chains and up) $22

 4-stroke Grip Handle set $16

 4-Stroke Timing Chain (internal motor chain) $12

Stator Socket 27mm tread inside, 27mm tread outside $14

Tire Tool $8

4-Stroke Shifter  $10

  Magneto Housing Holder Tool  (11.7cm diameter) $14

 4-Stroke Clutch Lever $12, Black or Silver $12

 Dirt bike Foot Brake $16

 4-Stroke Heavy Duty Stainless Steel Muffler Clamp Middle  80mm diameter  or 90mm diameter version $8 each

4-stroke Kill Switch (for Manual motor) $8

4-Stroke Foot Brake Linkage  $9

 Socket Tool Set (8mm, 10mm, 12mm, 14mm) $19 

 4-Stroke Koso Kick Starter $44

4-Stroke Large Metal Throttle House  $12

4-Stroke Round Bar Slider set  $8

FS529A Brake Disc $12

 Large Axle Adjuster $4

X7/FS529A 4-Stroke Bike Chain (size #420) $16 

4-Stroke Adjustable Shifter  $25

4-Stroke Speed Controller  $9

  Disc Brake Hose Valve (screw on or Snap-on version)  $6 each

 4-Stroke Stainless Steel-braided 40 inch Brake Hose  (by Yoshimura) $24

 Hydraulic 28 inch Stainless Steel-braided Brake Hose  (by Yoshimura) $24

 17mm Isolater w/o-ring $4

 4-Stroke 32mm Exhaust Gasket $3

 4-Stroke 38mm Exhaust Gasket $3

4-Stroke Aluminum  Shifter (Retractable)  $30

4-Stroke 125cc Heavy Duty Oil cooler  $100

 4-Stroke Spark Plug Socket $6  

Heavy Duty 26 3/4 inch 4-Stroke Chains  (size #428) $24

 26mm Isolater w/o-ring $4

4-Stroke 13 tooth Drive Sprocket  (for size #428 chain, 17mm shaft hole)  $10

4-Stroke 30ft Heavy Duty Gas Hose $30

4-Stroke 12 tooth Drive Sprocket  (for size #520 chain)  $10

 45 Tooth  Rear Sprocket $19  (58mm center diameter, size #530) $24

  50cc to 125cc Oil Cooler Kit (for Horizontal motors)  $62

4-Stroke 12 tooth Drive Sprocket  (for size #520 chain)  $10

4-Stroke Round Bar Slider set  $8

 4-Stroke Throttle Housing  $6 each

27 1/4 inch Dirt Bike GOLD Chains (size #428) $24

27 1/4 inch Dirt Bike GOLD Chains (size #420) $24

25 inch Dirt Bike GOLD Chains (size #420) $18

4-Stroke 12 tooth Sprocket   (for size #420 chain) $10

  4-Stroke Clutch/Stator Tool $28

Heavy Duty 4-stroke  master Link (Pair) for Size #420 Chain $5

 41 Tooth  Rear Sprocket $19  (76mm diameter, size #420)

 41 Tooth  Rear Sprocket $19  (76mm diameter, size #428)

FS529A 4-Stroke Bike stock Rear Sprocket $16

4-Stroke 13 tooth Drive Sprocket  (for size #420 chain, 17mm shaft hole)  $10

4-Stroke 15 tooth Drive Sprocket  (for size #420 chain, 17mm shaft hole)  $10

X6 Bike 42 Tooth Sprocket, for  size #420 chain $16

X7/FS529A 4-Stroke Bike 33 Tooth Sprocket $16

TreadLocker (Med Strength, 50 Gram)

 4STroke Y-Shape Axle Adjuster  $4 each

4-Stroke 14 tooth Drive Sprocket  (for size #428 chain, 20mm shaft hole)  $10

4-Stroke 15 tooth Drive Sprocket  (for size #428 chain, 20mm shaft hole)  $10

4-Stroke 16 tooth Drive Sprocket  (for size #428 chain, 20mm shaft hole)  $10

4-Stroke 17 tooth Drive Sprocket  (for size #428 chain, 20mm shaft hole)  $10

4-Stroke 17 tooth Drive Sprocket  (for size #428 chain, 17mm shaft hole)  $10

 4-stroke Soft Compound Grip set (built-in bar slider) $20

4 stroke brake hose clamp for front fork (42mm) $3

 35 Tooth  Rear Sprocket $19  (58mm diameter, size #530) $20

 4-Stroke 50cc to 125cc Head Breather $53 

4-stroke Gold master Link (Pair) for size #428 Chain $4

Hydraulic Brake Lever  $12 each, $24 per set

FS529A 4-Stroke Pocket Bike Gas Tank  $21

4-Stroke Clutch/Stator Tool   $28

 Tire Popper Tool  $38

4-stroke Left or Right Brake safety Switch $4

ATV 150cc to 200cc Brake Pad set (version E) 8

 4-Stroke Muffler Clamp (8 cm diameter) $4

4-stroke Gold master Link (Pair) for size #420 Chain $4

4-stroke  master Link (Pair) for Size #530 Chain $4

Cables

Cables

Cables

Cables

Cables

Cables

Cables

4-Stroke Super Bike 23 in Choke cable $13

4-Stroke 39 inch Manual Clutch Cable  $11

ATV 46 Inch Choke Cable  $10

ATV 32 Inch Foot Brake Cable  $12

ATV 50 Inch Front Brake Cable  $12

4-Stroke 47.5 inch Manual Clutch Cable  $12

4-Stroke 45.5 inch Manual Clutch Cable  $12

X-7 4-stroke 25 1/2 inch straight throttle cable  $11

4-Stroke 32 inch Manual Clutch Cable  $11

4-Stroke 43.5 inch Manual Clutch Cable  $11

4-Stroke 36 inch Manual Clutch Cable  $11

4-Stroke 35.5 inch Manual Clutch Cable  $11

4-Stroke 34.5 inch Manual Clutch Cable  $11

Carburetors

Carburetors

Carburetors

Carburetors

Carburetors

26mm 4-Stroke Intake Manifold ZY 56-2 (26mm  on both end) $16 

 4-stroke Shut Off Valve (Black) $6

4-Stroke 27mm Swivel Carb Adaptor (50cc to 175cc Horizontal motor) $16

PZ-16 50cc  Carburetor w/gold Hand choke lever $46

Carburetor for 50cc/70cc/90cc/110 (PZ-19 with cable choke)  $50

PZ-22   Carburetor (22mm, for 125cc Horizontal motor) $50

4-Stroke Aluminum Vent Caps $5 each

 4-Stroke 5 feet Performance Fuel Line (Yellow or Green) $10

25mm 4-Stroke Carburetor w/Hand choke lever (vertical motor) $64

50cc-110cc Carburetor (PZ-19 with Hand choke lever) $46

Mikuni PZ19 19mm 4-Stroke Carburetor w/ 24mm Intake Manifold $70

50cc to 110cc Carburetor Jet set (set of 6) $18

4-Stroke Intake Manifold $14 SM, $18 Med, $18 LG 

PZ-19   Carburetor: Cable choke w/ built -in Fuel Valve (19mm) 50cc to 110cc Horizontal motor $48

4-Stroke Metal Shut Off Valve  $8

4-stroke Carburetor Bowl Gasket $2 each

4-Stroke ZJ58  22mm  Intake Manifold $20

  ZJ67 22mm Intake Manifold $14

XS-92 24mm 4-Stroke Intake Manifold $14

26mm/21mm 4-Stroke Intake Manifold DC 56-1 (26mm and 21mm intake) $16

4-Stroke  20mm Intake (ZD-6)   $14

PZ-19   Carburetor: Hand choke w/ built -in Fuel Valve (19mm) 50cc to 110cc Horizontal motor $48

  CNC Cut-Off Valve  $19

  4-Stroke Fuel Line  $1.40 per Foot

26mm 4-Stroke 90 degree Intake Manifold (FA 32-1 OY) $16

 17mm Isolater w/o-ring $4

 26mm Isolater w/o-ring $4

Covers/Cases

Covers/Cases

Covers/Cases

Covers/Cases

Covers/Cases

Covers/Cases

Air Filter

 4-stroke Silver Starter Cover: Upper Starter (version 4) $35

 4-stroke Black 110cc/125cc Stator/Chain Cover $40

 4-stroke 110cc Silver Stator/Chain Cover  (version 1) $40

 4-stroke Silver Stator/Chain Cover (version 2) $40

 4-stroke Silver Starter Cover: Lower starter (version 3) $36

 4-stroke Pinion Cover    (version 1) $20

 4-stroke Pinion Cover    (version 2) $20

4-Stroke Right side Motor Cover Assembly  (110cc Manual Shaft motors)  $55

Lifan 125cc Left Gray Stator/Chain Cover   $39

 Alloy Open chain Left Stator Cover (for 110cc to 125cc  motor) $48

4-Stroke Right side Motor Cover  Ver. A (110cc Automatic, Kick start)  $49

4-Stroke Right side Motor Cover  Ver. B (Kick start/Manual Shaft motors)  $49

4-Stroke Right side Motor Cover (50cc to 70cc Automatic, Kick start motors)  $45

4-Stroke Right  side Motor Cover (50cc to 70cc automatic motors)  $45

4-Stroke Stator  Cover cap 37 mm diameter outside, 28mm tread diameter (50cc to 110cc  Horizontal motors)  $6

4-Stroke Right side Motor Cover  (110cc Manual Shaft motors)  $48

 4-stroke Pinion Cover    (version 3,  12cm bolt spacing, eye to eye measurement) $20

125cc Lifan Right motor cover (Manual shift, Horizontal motor)  $55

4-Stroke 50cc to 110cc  Middle Right Crankcase (No starter bracket ver)  $70

4-Stroke 50cc to 110cc  Middle  Crankcase (Lower starter bracket ver)  $45

4-Stroke 50cc to 110cc  Middle Crankcase (Upper starter ver)  $42

4-Stroke Stator  Cover Top cap 22 mm diameter outside, 9mm tread diameter (50cc to 110cc  Horizontal motors)  $2

Air Filters

Air Filters

Air Filters

Air Filters

Air Filters

Air Filters

Air Filters

4-Stroke 35mm K & N style Air Filter  Large $14, Small 50cc to 110cc horizontal motor $8

4-Stroke 38mm Competition Foam  Air Filter   fits PZ-22 Carb and GY6 50cc motor) $20

4-Stroke  30 Degree  Foam Air Filter (38mm intake, Afro style) fits PZ-22 Carb and GY6 50cc motor) $20

4-Stroke 30 Degree Carbon Fiber Paint Air Filter (35mm intake) $20

4-Stroke 90 Degree Air Filter Kit  (35mm intake) fits 50cc to 110cc horizontal motor $12  

4-Stroke 30 Degree Air Filter Kit  (35mm intake) fits 50cc to 110cc horizontal motor $18 

4-Stroke 35mm intake Bling Bling Air Filter (fits 50cc to 110cc Horizontal motor) $10

4-Stroke Cone Air filter: 38mm intake Flange $12

Chrome Cone Air filter: 44mm intake Flange $14

Magneto (Stator)

Magneto (Stator)

Magneto (Stator)

Magneto (Stator)

Magneto (Stator)

Magneto (Stator)

Magneto (Stator)

 Electric start 50cc to 125cc Horizontal motor, with lower start,  Stator  (6-coil version) 4 pin plug, 1 loose wire $38

 50cc to 125cc  Electric start, with upper starter, horizontal motor  Stator  (2-coil ver., small size, 33mm center diameter) $36

 Clip-On 12V Charger $12

 70cc to 125cc Kick start horizontal motor Stator  (2-coil ver., Large size, 18mm center diameter) $38

  Halogen Bulb  (12v, 35/35w,  3- contact style) $4

 4-Stroke HP Stator w/Alum. Oil cap (70cc to 125cc Horizontal motors) $90

 Stator  (4-coil version) 32mm diameter center hole $38

4-Stroke Spit Fire Spark plug Cable $34

12v, 2.6amp Quick Charger w/built in Fan (round plug, 3-prong)  $32

 Neutral Switch Assembly (for Stator)  $9

 12v, 35W  blue Pointy Bulb  (2 contact style) $11 

Flat Plug Rectifier (Relay)   $8

Solenoid $12 

 4-Stroke Starter (Upper version, 50cc to 125cc horitzonal motor) $50

 12v, LED   Bulb  (20 individual LED, 2 contact style)  $14

HID 12v, 35W  blue Pointy Bulb  (2 contact style)  $12

 BA20D 12v, 35W Round Bulb  (2 contact style) $5

 12v, 18W Pointy Bulb  (2 contact style) $4

Magneto Housing $25

 4-Stroke Starter (Lower Version 50cc to 125cc Horizontal motor) $50

4-stroke NGK  Spark Plug (C8HSA) $8 small tread

Extreme Racing CDI (Sm plug or Large plug ver.) $60 each

 Iridium Performance Spark Plug (CR8HIX) $17

4-Stroke  Stock CDI  (110cc to 125cc Horizontal motor)$14

4-Stroke 5500 RPM CDI (50cc to 90cc)$12

 H4 Halogen Bulb  (12v, 60/55w,  3- contact style) $4

NGK Racking Cable (CR2) $29

4-stroke NGK Racing Spark Plug (B9EGV) $9.75 Large tread

4-stroke Super Coil (50cc to 110cc motors)   $56

4-Stroke Bike Ignition Coil (50cc to 110cc) $34

 4-Stroke Competition CDI (Small Plug version) Almost up 10000 RPM $69

  ATV Flasher (round) $7

H6M HID Bulb  $10

4-Stroke 4-Pin CDI $16

Solenoid With Built in Fuse $20

4-stroke Spark Plug cap $4, Lighted version $7

24v Flasher (box version) $6

12v Flasher (box version) $6

4-stroke Super Coil (50cc to 110cc motors)   $56

Batteries

Batteries

Batteries

Batteries

Batteries

Batteries

Batteries

 4-Stroke Battery (12v,4AH) ACID Insert version $34  

 4-Stroke Battery (12v,7AH) ACID Insert version $38

Battery Strap (5 Inch Long)  $2.50  

 4-Stroke Battery (12v,4AH/20HR) $32

 4-Stroke Battery (12v,5AH) ACID Insert version $35

 4-Stroke Battery (12v,6.5AH/10HR) Acid Insert style $38

 4-Stroke Battery (12v,7AH) Tall version ACID Insert version $38

Battery Strap (6 Inch Long)  $2.50  

Motor Parts

Motor Parts

Motor Parts

Motor Parts

Motor Parts

Motor Parts

Motor Parts

 4-Stroke Valve/Cam Cover $4 

 4-Stroke 125cc Cylinder Block Gasket  $5

70ccc Cylinder Rebuilt Kit $80

100cc  Cylinder Rebuilt Kit $80

 4-Stroke 110cc Cylinder Block Gasket  $5

 
 4-Stroke 70cc to 110cc Valve Assembly $38

 4-Stroke 50cc Valve Assembly (Horizontal motor) $28 

 4-Stroke 50cc Cylinder Block Gasket  $5

 4-Stroke 70cc/90cc Cylinder Block Gasket  $5

 4-Stroke 100cc Cylinder Block Gasket  $5

Lifan 125cc Big Bore Kit   (Upgrade to 140cc motor) for Horizontal motors $125

  4-Stroke 50cc to 110cc Left CrankCase Gasket  $4

 4-Stroke 50cc to 110cc Left CrankCase Gasket  $4

 4-Stroke 125cc Valve Assembly (horizontal motor) $30 

50cc Piston (39mm, 4-stroke, Horizontal motor) $24

 
 70cc/90cc Cylinder Head Housing $40

110cc Cylinder Block (4-stroke) $48

50cc Cylinder Block (4-stroke) $43

 70cc/90cc Cylinder Head Assembly (47mm) $79

110cc  Cylinder Rebuilt Kit (52mm) $84

50cc Crank Shaft (for Horizontal motor) $50

 100cc/110 Cylinder Head Housing (52mm) $41

 4-Stroke Head Bolt $4 each

70cc Cylinder Block (46mm, 4-stroke) $45

 4-Stroke 70cc to 110cc Valve set $19 

4-Stroke 70cc to 110cc Valve Guide seal (pair)  $4

4-Stroke 50cc - 110cc Rotary Shaft Drum  $24

 4-Stroke 50cc to 110cc Crank Seal $4 each

Clutch

Clutch

Clutch

Clutch

Clutch

Clutch

Clutch

4-Stroke 50cc - 110cc Clutch (Manual Shift) $50

4-Stroke Clutch (semi- Automatic)  $50

4-Stroke 50cc - 110cc Clutch (Automatic) $50

 4-Stroke Magnetic  Oil Drain Bolt  (12mm tread) $6 each

4-Stroke 50cc - 110cc Clutch (Automatic Horizontal motors) $50

4-Stroke 50cc to 110cc Automatic Clutch  (version 2)  $50

110cc Piston (41mm, 4-stroke) $25

70cc to 110cc 4-Stroke Crank Shaft  $58

 4-Stroke 50cc to 110cc Oil Pump $18

4-stroke Oil Dip Stick 6cmm, 10.5cm $8,  12.8cm length $9

 4-Stroke 50cc to 110cc Upper Camshaft $20 

90cc Cylinder Block (46mm, 4-stroke) $48

100cc Cylinder Block (49mm, 4-stroke) $46

125cc Piston (54mm, 4-stroke) $25

125cc Piston  w/ Wrist pin & circlips (4-stroke) $33

 4-Stroke Oil Drain Bolt  $4 each

 50cc Cylinder Head Assembly $79

 4-Stroke Rocker Arm (125cc)  Horizontal motor $12 each

 50cc Cylinder Head Housing $40

70cc Piston (46mm, 4-stroke) $24

 125cc Camshaft (horizontal motor)   $28

125cc Aluminum Cylinder Kit (for 125cc Horizontal motor use 52mm piston, 13mm pin) $97

125cc Aluminum Cylinder Kit (for 125cc Horizontal motor use 52mm piston, 14mm pin) $97

125cc Cylinder Head Assembly (for Horizontal motor) $98
 

 50cc Kick Start Shaft    $45

 70cc/90cc Piston Rebuilt Kit (47mm, Wrist Pin 13mmX36.7mm) $42

6203/P6 Bearing $8

 125 Piston Rings set (54mm, Horizontal motor) $15

4-Stroke 5.5HP Clutch  $45

125cc 54mm Cylinder Block (for Horizontal motor) $55

125cc 52mm Cylinder Block (for Horizontal motor) $55

 70cc to 110cc Kick Start Shaft    $45

 4-Stroke Rocker Arm (50cc to 110cc) $11 each

50ccc Cylinder Rebuilt Kit (Horizontal motor) $76

50cc to 110cc Head Plates (round side plate $11, Top plate $12)

 70cc to 110cc Engine Gear Shaft    $48

 50cc Engine Gear Shaft   $48

 4-Stroke 50cc to 110cc Upper Head Gasket set $10 

 125 Piston Rings set (52mm, Horizontal motor) $15

6001/P6 Bearing $7

125cc Piston Rebuilt Kit $44 (54mm diameter, 14mm pin) $44 

 100cc Piston Rings set $14

 4-Stroke 50cc Valve set (horizontal motor) $19   

125cc Piston Rebuilt Kit  (Horizontal motor, 52mm diameter, 13mm pin) $44

4-stroke Fuel Valve (SM) $8 (LG, 2-scxrew) $15 

 70cc/90cc Piston Rings set $14

 110cc Piston Rings set (52mm) $14

110cc Piston Rebuilt Kit  (52mm, Wrist Pin:13mm X 41.4mm) $42

 100cc Piston Rebuilt Kit (48.8mm, Wrist Pin: 13mm X 38.5mm)$42

70cc to 110cc Oil Seal
(set of 5)  $8

 50cc Piston Rings set (39mm, Horizontal motor) $12

90cc Piston (46mm, 4-stroke)   $24

6201/P6 bearing $8

 100cc/110cc Cylinder Head Assembly (52mm) $79

3-Valve Cylinder Head Assembly (without cover plates) $115

 50cc to 125cc Horizontal motor oil filter $3

4-Stroke Cam Sprocket Cover (50cc to 110cc  Horizontal motors)  $6

90ccc Cylinder Rebuilt Kit (Horizontal motor) $76

 4 Stroke 50cc Cylinder Gasket Set (Horizontal motor) $8

 4 Stroke 70cc Cylinder Gasket Set (Horizontal motor) $8

 4 Stroke 100cc Cylinder Gasket Set (Horizontal motor) $8

 4 Stroke 110cc Cylinder Gasket Set (Horizontal motor) $8

LiFan Motor Parts

LiFan Motor Parts

LiFan Motor Parts

LiFan Motor Parts

LiFan Motor Parts

LiFan Motor Parts

LiFan Motor Parts

140cc Cylinder Head Assembly (Horizontal motor, without cover plates) $115

Lifan 125cc Left Gray Stator/Chain Cover   $39

Lifan 140cc Piston Kit (55mm diameter, 15mmX41mm pin) for horizontal motors $44

Lifan 125cc Big Bore Kit   (Upgrade to 140cc motor) for Horizontal motors $125

4-Stroke LiFan 140cc Gasket set (Horizontal motor)  $20 

125cc Lifan Right motor cover (Manual shift, Horizontal motor)  $55

Lifan 150cc Piston Kit (56mm diameter, 15mm pin)  for horizontal motor $45

Lifan 140cc-150cc 5-Plate Clutch Assembly (Horizontal Motor) $60

Lifan 140cc Cylinder Gasket