need some advice lifan 140cc cylinder heads

Shop deals on ebay
Advertise with us
Find deals on amazon
Mini Dirt Bikes & Pit Bikes Forum

Help Support Mini Dirt Bikes & Pit Bikes Forum:

This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.
Thats why I pay a lil' extra to have stock cams reground. To retain the decompressor.
I have doctored the Lifan 140 cams.
Lifan140.png
 
Yes that's the most sensible thing to do ...... What grinds can you do Mack ????? And what price ? .... :)
 
Cactus Jack said:
What are the specs on the 140 race cam you got Mr Mountain ???? ie duration @ .050" ....... what lift etc ?
Click to expand...

AHP race cam :
Uses NTN bearings. Specs: Lobe Lift - .252" - Duration @ .050" - 230 deg.:)
 
Syphon SoundPro: Ultra-Thin 9.6mm Bluetooth Moto Headphones - Glove-Friendly Controls, Massive Sound, IP55 Waterproof, Built-In Mic, Universal Fit With Any Dirt Bike, Snowmobile, and Motorcycle Helmet
$199.00
Syphon SoundPro: Ultra-Thin 9.6mm Bluetooth Moto Headphones - Glove-Friendly Controls, Massive Sound, IP55 Waterproof, Built-In Mic, Universal Fit With Any Dirt Bike, Snowmobile, and Motorcycle Helmet Syphon Sound
Motorcycle Bluetooth Headset Wireless Dirt Bike Helmet Headphone 2-Way 600M Intercom CVC Noise Cancellation Stereo HiFi Music IP67 Waterproof for Full Face Helmet with LED Tail Light 1Pack-Red
-30%
$27.99 $39.99
Motorcycle Bluetooth Headset Wireless Dirt Bike Helmet Headphone 2-Way 600M Intercom CVC Noise Cancellation Stereo HiFi Music IP67 Waterproof for Full Face Helmet with LED Tail Light 1Pack-Red LALALA-SF
Topbuti Bike Seat Post Black Aluminum Alloy Bicycle Seat Post for Mountain MTB Road Bike Fixed Gear Bike Seatpost 350 28.6mm
$7.95
Topbuti Bike Seat Post Black Aluminum Alloy Bicycle Seat Post for Mountain MTB Road Bike Fixed Gear Bike Seatpost 350 28.6mm Topbuti
Insight V2 Mini Plate Red INPLMIN2WHRD
$18.76
Insight V2 Mini Plate Red INPLMIN2WHRD Rapid Warehousing
Marsrut 3Pcs Motorcycle Valve Adjustment Wrench Tool, Universal Engine Screw Sleeve Spanner 8mm/9mm/10mm Metal Set
-7%
$13.99 $14.99
Marsrut 3Pcs Motorcycle Valve Adjustment Wrench Tool, Universal Engine Screw Sleeve Spanner 8mm/9mm/10mm Metal Set Study Kitchen
FVRITO 12.5x2.75 (12-1/2x2.75) knobby Tire & Inner Tube for Razor MX350 MX400 Dirt Rocket X-Treme X-560 Heavy Duty Scooter Tao Tao 47cc 49cc Kids Mini Pocket Dirt Pit Bike Straight Valve Stem Cap 2PCS
$30.99
FVRITO 12.5x2.75 (12-1/2x2.75) knobby Tire & Inner Tube for Razor MX350 MX400 Dirt Rocket X-Treme X-560 Heavy Duty Scooter Tao Tao 47cc 49cc Kids Mini Pocket Dirt Pit Bike Straight Valve Stem Cap 2PCS FVRITO
Car Cleaning Gun High Pressure Car Cleaning Gun, Upgraded Professional Car Interior Cleaner Detailing Wash Gun with Bottle, Wash Spray Bottle Nozzle with Metal Spinner
$38.99
Car Cleaning Gun High Pressure Car Cleaning Gun, Upgraded Professional Car Interior Cleaner Detailing Wash Gun with Bottle, Wash Spray Bottle Nozzle with Metal Spinner JugeAuuto
JMCHstore Pull Starter Sticker 49cc Modified for Predator 212 Engine, Decals Coleman BT200X CT200U 200cc Mini Bike Performance Parts, Dirt bike KT196 Go Kart Honda 196cc, Monster Mega Moto (Pack of 4)
$14.49 ($3.62 / Count)
JMCHstore Pull Starter Sticker 49cc Modified for Predator 212 Engine, Decals Coleman BT200X CT200U 200cc Mini Bike Performance Parts, Dirt bike KT196 Go Kart Honda 196cc, Monster Mega Moto (Pack of 4) JMCHstore
I GO 85 Pieces Hard Shell Mini Compact First Aid Kit, Small Personal Emergency Survival Kit for Travel Hiking Camping Backpacking Hunting Marine Car, Red
-12%
$14.99 $16.99
I GO 85 Pieces Hard Shell Mini Compact First Aid Kit, Small Personal Emergency Survival Kit for Travel Hiking Camping Backpacking Hunting Marine Car, Red Brandern
Baja No Pinch Dirt Bike Tire Changing Tools - Minibike Accessory Kit Includes Mini Pushrod Fit 10mm and 12mm Axle Sleeve Mount Tires Quickly Without Pinching Tubes (Baja No Pinch Tool Sold Separately)
$99.95
Baja No Pinch Dirt Bike Tire Changing Tools - Minibike Accessory Kit Includes Mini Pushrod Fit 10mm and 12mm Axle Sleeve Mount Tires Quickly Without Pinching Tubes (Baja No Pinch Tool Sold Separately) Baja No Pinch
SUOOKC Motorcycle Bluetooth Headset Speaker Skiing Earphone Waterproof Bluetooth Helmet Headset with Noise Cancellation Ultra-Thin Wireless Bluetooth Headphones for All Helmets
$23.79
SUOOKC Motorcycle Bluetooth Headset Speaker Skiing Earphone Waterproof Bluetooth Helmet Headset with Noise Cancellation Ultra-Thin Wireless Bluetooth Headphones for All Helmets SUOOKC
American Flag Dirt Bike Helmet Motocross Earphone Case Cover TPU Bluetooth Headphone Case with Carabiner Compatible with Airpods 1/2 White-Style
$9.89
American Flag Dirt Bike Helmet Motocross Earphone Case Cover TPU Bluetooth Headphone Case with Carabiner Compatible with Airpods 1/2 White-Style CLOUD FLY
cepkquis Motorcycle Bluetooth Headset for Wireless Dirt Bike 2 Riders 600M Intercom CVC Noise Cancellation Stereo HiFi Music IP67 Waterproof for Full Face Helmet with Tail Light (Black-Dual Pack)
-5%
$52.99 $55.99
cepkquis Motorcycle Bluetooth Headset for Wireless Dirt Bike 2 Riders 600M Intercom CVC Noise Cancellation Stereo HiFi Music IP67 Waterproof for Full Face Helmet with Tail Light (Black-Dual Pack) LALALA-SF
2 Pack Bike Phone Holder Mount [2024 Upgraded Gift Set]- 3S Easy Install, Motorcycle Phone Mount Universal Handlebar, Cell Phone Holder Fit for EBikes Electric Scooter Dirt, Bike Accessories for Adult
$15.99
2 Pack Bike Phone Holder Mount [2024 Upgraded Gift Set]- 3S Easy Install, Motorcycle Phone Mount Universal Handlebar, Cell Phone Holder Fit for EBikes Electric Scooter Dirt, Bike Accessories for Adult LQJIU
Motocross Vinyl Wall Decal Motorcycle Wall Decor Home Decals for Living Room Bedroom Decoration Dirt Bike Sport mc355
$39.99
Motocross Vinyl Wall Decal Motorcycle Wall Decor Home Decals for Living Room Bedroom Decoration Dirt Bike Sport mc355 DecorGal
YOUSEMOT Motorcycle Engine Valve Screw Wrench Set, 8mm/9mm/10mm
$11.99
YOUSEMOT Motorcycle Engine Valve Screw Wrench Set, 8mm/9mm/10mm YOUSEMOT
Kids Dirt Bike Gear-Youth Motorcycle Motocross Armor Suit for Cylcing,Skateboard,Ski，ATV. Back Chest Elbows Knees Protector.
-7%
$55.99 $59.99
Kids Dirt Bike Gear-Youth Motorcycle Motocross Armor Suit for Cylcing,Skateboard,Ski，ATV. Back Chest Elbows Knees Protector. GuguzhichenStore
Insight V2 Mini Plate Black INPLMIN2WHBK
$18.76
Insight V2 Mini Plate Black INPLMIN2WHBK Rapid Warehousing
Rim 2.50-10 Rear Wheel Hub For 49cc Kids Mini Dirt Bike Gas Power 2-Stroke 50cc Motorcycle
$29.99
Rim 2.50-10 Rear Wheel Hub For 49cc Kids Mini Dirt Bike Gas Power 2-Stroke 50cc Motorcycle Yuhao Motorcycle Parts
HIAORS 145/70-6 145x70x6 Tire Tubeless for Coleman CC100X CT100u Baja Dirt Bug Doodle Bug DB30 Monster Moto MMB80 MMB105 Motovox MBX10 MBX11 MBX12 RT100 Mini Bike Kazuma Roketa 110cc ATV Quad Go Kart
$29.99
HIAORS 145/70-6 145x70x6 Tire Tubeless for Coleman CC100X CT100u Baja Dirt Bug Doodle Bug DB30 Monster Moto MMB80 MMB105 Motovox MBX10 MBX11 MBX12 RT100 Mini Bike Kazuma Roketa 110cc ATV Quad Go Kart HIAORS
Moman Motorcycle Intercom, H2 Pro 【1 Pack Black】 Helmet Headset Dirt Bike Wireless Communication System IP65 Waterproof DSP&CVC Noise Cancellation Music FM, Motorbike-Wireless-Helmet-Intercom-Headset
$54.95
Moman Motorcycle Intercom, H2 Pro 【1 Pack Black】 Helmet Headset Dirt Bike Wireless Communication System IP65 Waterproof DSP&CVC Noise Cancellation Music FM, Motorbike-Wireless-Helmet-Intercom-Headset MOMAN TECHNOLOGY USA
BOESHIELD T-9 Rust & Corrosion Protection/Inhibitor and Waterproof Lubrication, 12 oz.
-19%
$21.04 $26.00
BOESHIELD T-9 Rust & Corrosion Protection/Inhibitor and Waterproof Lubrication, 12 oz. Amazon.com
Digital Engine Temperature Meter Fahrenheit, Over-Temperature Alert, Engine Temperature Gauge with Probe Sensor Adapter for Most Marine ATV Generator Lawn Tractor Motorcycle(Red,14mm Sensor)
-10%
$21.49 $23.99
Digital Engine Temperature Meter Fahrenheit, Over-Temperature Alert, Engine Temperature Gauge with Probe Sensor Adapter for Most Marine ATV Generator Lawn Tractor Motorcycle(Red,14mm Sensor) NORXI Store
Just Gonna Send It Sticker - Funny car Window Sticker-UV Protected-Waterproof!
-36%
$2.55 $3.99
Just Gonna Send It Sticker - Funny car Window Sticker-UV Protected-Waterproof! Made in U.S.A
Oryxearth Mini Bike Front Fork Suspension Universal Mini Dirt Bike Suspension Set Pit Bike Shock Forks Frame Upgrades Assembly for Dirt Bike Motorcycle Minibike,Black
$97.99
Oryxearth Mini Bike Front Fork Suspension Universal Mini Dirt Bike Suspension Set Pit Bike Shock Forks Frame Upgrades Assembly for Dirt Bike Motorcycle Minibike,Black CLEESINK
Pocket Bike Rear Wheel 12.5x2.75in for Coolster 49cc 2 Stroke Mini Dirt Bike QG50 Rear Back Wheel Tire Rim Disc Brake Assembly
-29%
$46.59 $65.69
Pocket Bike Rear Wheel 12.5x2.75in for Coolster 49cc 2 Stroke Mini Dirt Bike QG50 Rear Back Wheel Tire Rim Disc Brake Assembly SOROS
Motorcycle Wheel Rim Lock 1.6in Replacement Security Dirt Trail Pit Bike Accessories
$9.99
Motorcycle Wheel Rim Lock 1.6in Replacement Security Dirt Trail Pit Bike Accessories Mizucco c
JFG RACING Spoke Skins,72Pcs Red Dirt Bike Spoke Covers For 8"-21" Rims crf250r crf250x crf230f crf450r crf125 XR250,Wheel Rims Wraps Pipe Trim Universal for Motorcycle Bicycle Wheelchair Decoration
$8.99
JFG RACING Spoke Skins,72Pcs Red Dirt Bike Spoke Covers For 8"-21" Rims crf250r crf250x crf230f crf450r crf125 XR250,Wheel Rims Wraps Pipe Trim Universal for Motorcycle Bicycle Wheelchair Decoration QJMOTO
Boop Decals Eat Sleep Ride Helmet Dirtbike Wall Decal Sticker Vinyl Art Bedroom Room Decor Decoration Teen Boy Girl Bike Race Cruise Off Road Cross Country Motorcycle Wheel Engine Moto X Auto
$16.50
Boop Decals Eat Sleep Ride Helmet Dirtbike Wall Decal Sticker Vinyl Art Bedroom Room Decor Decoration Teen Boy Girl Bike Race Cruise Off Road Cross Country Motorcycle Wheel Engine Moto X Auto Boop Decals
Vevitts Small Brushed Permanent Magnet Electric Motor for E Scooter Drive Speed Control 24V 350W 3000RPM
-22%
$38.99 $50.00
Vevitts Small Brushed Permanent Magnet Electric Motor for E Scooter Drive Speed Control 24V 350W 3000RPM Vixest
Finish Line Premium Grease made with Teflon Fluoropolymer, 3.5 Ounce
$9.98
Finish Line Premium Grease made with Teflon Fluoropolymer, 3.5 Ounce Amazon.com
12.5x2.75in Mini Dirt Bike Tire, Thickened Rubber Dirt Bike Rear Tire with Inner Tube & Metal Rim, Anti‑Skid Rear Motorcycle Tire Replacement Fits for 47cc 49cc 2 Stroke Dirt Bike(Sliver)
-17%
$37.75 $45.37
12.5x2.75in Mini Dirt Bike Tire, Thickened Rubber Dirt Bike Rear Tire with Inner Tube & Metal Rim, Anti‑Skid Rear Motorcycle Tire Replacement Fits for 47cc 49cc 2 Stroke Dirt Bike(Sliver) Lozakom
Bike Phone Mount Holder, [Camera Friendly] Motorcycle Phone Mount for Electric Scooter, Mountain, Dirt Bike and Motorcycle - 360° Rotate Suitable for iPhone & Android Smartphones from 4.5-7.0 inches
-7%
$13.99 $14.99
Bike Phone Mount Holder, [Camera Friendly] Motorcycle Phone Mount for Electric Scooter, Mountain, Dirt Bike and Motorcycle - 360° Rotate Suitable for iPhone & Android Smartphones from 4.5-7.0 inches ENSHIPOUD
BBB Cycling BBL-52 MiniSafe Compact Bicycle Lock for Mountain, Road and Racing Bikes
$16.67
BBB Cycling BBL-52 MiniSafe Compact Bicycle Lock for Mountain, Road and Racing Bikes Amazon Global Store UK
WNJACO Motorcycle Helmet Bluetooth Headset, Outdoor Wireless Bluetooth 5.3 Headphone Speakers Noise Cancellation Intercom Communication Systems with IPX6 Waterproof/Strong Bass for Dirt Bike
$23.59
WNJACO Motorcycle Helmet Bluetooth Headset, Outdoor Wireless Bluetooth 5.3 Headphone Speakers Noise Cancellation Intercom Communication Systems with IPX6 Waterproof/Strong Bass for Dirt Bike rskjusa
Kids Motorcycle Armor Gear Body Armor Vest Suit Chest Spine Protector Motocross Dirt Bike Protective Gear with Elbow Knee Protector Pads for MTV ATV Cycling Skateboard Off-Road Racing Skiing
$54.99
Kids Motorcycle Armor Gear Body Armor Vest Suit Chest Spine Protector Motocross Dirt Bike Protective Gear with Elbow Knee Protector Pads for MTV ATV Cycling Skateboard Off-Road Racing Skiing WEWAYSTEP
49CC 2 Stroke Engine Motor Racing Complete Engine Motor Pull Start Motorized Bike Engine Kit for Pocket Bike Mini Dirt Bike ATV Scooter
$49.99
49CC 2 Stroke Engine Motor Racing Complete Engine Motor Pull Start Motorized Bike Engine Kit for Pocket Bike Mini Dirt Bike ATV Scooter GDAE10
24V 350W 3000RPM Brushed Permanent Magnet Motor for iMod, MX350(Version 1-8), MX400 Dirt Bike, E300 E300S & E325 Mini Chopper MX350 MX400 Electric Scooter, Electric Bike
$32.99
24V 350W 3000RPM Brushed Permanent Magnet Motor for iMod, MX350(Version 1-8), MX400 Dirt Bike, E300 E300S & E325 Mini Chopper MX350 MX400 Electric Scooter, Electric Bike Zard zoop
WINTOWIN 14.5" Tire Spoons Motorcycle Tire Changer Tools Dirt Bike ATV Tire Iron Levers Repair Kit with Tire Spoons, Rim Protector, Valve Tool,Valve Cap and Valve Cores
$18.99
WINTOWIN 14.5" Tire Spoons Motorcycle Tire Changer Tools Dirt Bike ATV Tire Iron Levers Repair Kit with Tire Spoons, Rim Protector, Valve Tool,Valve Cap and Valve Cores SPEEDTOOL STORE
Magneto Stator Flywheel Rotor Set, Copper Engine Parts for 90cc 110cc 125cc 140cc Pit Bike ATV
$47.49
Magneto Stator Flywheel Rotor Set, Copper Engine Parts for 90cc 110cc 125cc 140cc Pit Bike ATV Mseinope-jp
You must log in or register to reply here.

Latest posts

Back
Top