Lab Coat Paul

In this video, I bought a 2014 Tao Tao BWS 150 scooter with 13,215 Km (8211 miles) and had to fix everything. Torque specifications: Clutch nut: 36 ft-lb or 49 Nm Variator nut: 36 ft-lb or 49 Nm Transmission belt cover bolts: 7.3 ft-lb or 10 Nm Exhaust studs to head (8mm size): 7.3 ft-lb or 10 Nm Exhaust bracket to engine bolts: 18 ft-lb or 24 Nm Rear wheel nut: 80 ft-lb or 108 Nm Spark plug gap: 0.025" or 0.65mm Spark plug torque: 10ft-lb or 14 Nm Valve to rocker clearance intake: 0.004" or 0.102mm Valve to rocker clearance exhaust: 0.005" or 0.127mm Valve cover bolts: 8 ft-lb or 11 Nm Exhaust nut torque (6mm studs): 8 ft-lb or 11 Nm Exhaust nut torque (8mm studs): 12 ft-lb or 16 Nm Muffler clamp bolts: 30 ft-lb or 40 Nm Brake lever banjo bolt: 19 ft-lb or 26 Nm Engine mounting bolt: 36 ft-lb or 49 Nm Shock bolt to frame: 22 ft-lb or 30 Nm Parts: Battery: YTX7A-BS https://amzn.to/3J5IkjA Variator kit https://www.partsforscooters.com/164-287_GY6_Front_Clutch_variator Belt size: 835 20 30 https://www.partsforscooters.com/106-136-Bando-835-20-30-Kevlar-CVT-Belt Exhaust studs 6mm (stock) or 8mm https://www.partsforscooters.com/190-54-Stainless-Steel-Exhaust-Studs-with-Nuts-6mm-or-8mm Metal exhaust gasket https://www.partsforscooters.com/190-51-Premium-Metal-Exhaust-Gasket Tire size: 130/90 - 10 https://www.partsforscooters.com/154-82_Kenda_Tire https://amzn.to/3ZM14uq Bent tire valves https://www.partsforscooters.com/153-17_Bent_Valve_Stem Straight tire valves https://amzn.to/3iTVjKL Spark plug NGK CR7HSA https://www.partsforscooters.com/Spark_plug_4-stroke Valve cover gasket https://www.partsforscooters.com/164-24 PAIR block off plate https://www.partsforscooters.com/164-324-PCV-Delete Fan shroud set https://www.partsforscooters.com/164-331-Emissions-Style-Fan-Shrouds Fan cover gasket https://www.partsforscooters.com/151-176-Fan_cover_gasket_qmb139 Brown seat cover vinyl https://amzn.to/3Hn32dv Stapler https://amzn.to/3QVeCzP Staples T50 - 3/8" - 10mm https://amzn.to/3j07hlZ Throttle cable 80" https://www.partsforscooters.com/100-229-Throttle-Cable-80-Inch-Sleeve Brake light switch https://www.partsforscooters.com/100-127_Brake_Switch W5W - 194 - 168 LED bulbs https://amzn.to/3kuc5QZ BA20D LED headlight bulbs https://amzn.to/3kt5lTj Fuel petcock https://www.partsforscooters.com/164-93_Bolt-on_FUel_Valve Tools: Rolling wrench CVT holder https://www.rollingwrenchdenver.com/collections/tools-1/products/cvt-tool Flywheel puller tool https://www.rollingwrenchdenver.com/collections/tools-1/products/magnitio-flywheel-puller-tool 8mm x 1.5 tap https://amzn.to/3Hlpq7e Tire valve tool https://amzn.to/3GZAJRd Feeler gauge set https://amzn.to/3HopS4H 0:00 intro 0:55 inspection 4:35 replacing the battery 4:55 does it start? 5:45 charging system test 6:22 remove body plastic 7:01 identifying emissions components 9:10 remove the air box 9:57 inspect the CVT 11:01 remove the variator 13:15 remove the kickstart 14:14 inspect the clutch 15:43 measure the drive belt 16:39 install the clutch 17:17 replace the variator and rollers 18:42 install the new drive belt 20:04 how the CVT works 21:02 installing the CVT cover 22:03 remove the carburetor 22:34 remove the gas tank 23:01 identify fuel hoses 23:34 remove the exhaust 24:10 remove the engine 24:54 repair cylinder head threads 27:08 install new exhaust studs 28:03 remove rear wheel 28:26 inspect rear brake 29:07 replace rear tire 33:39 install rear wheel 34:52 check the spark plug 35:49 adjust the valves 37:51 delete the PAIR emissions system 40:00 install the valve cover 40:43 install cooling fan shroud 42:10 install muffler and exhaust pipe 43:22 re-upholster seat cover fabric 45:39 remove front plastic fairings 47:00 replace throttle cable 48:51 fix brake switch 50:07 bleed front brake 51:59 different types of DOT brake fluid 52:45 replacing headlight bulbs 54:52 polish the speedometer plastic 55:25 rage kick the scooter 56:24 make battery box brackets 57:25 install the engine 58:06 adjust rear brake cable 58:30 test the gas tank and fuel petcock 59:19 install the gas tank 59:37 clean the carburetor 1:02:28 assemble the carburetor 1:04:55 install the carburetor 1:05:57 connect engine wiring 1:07:05 install air box 1:07:51 replace all rubber hoses 1:10:08 engine oil change 1:11:10 transmission gear oil change 1:12:21 install battery and start engine 1:13:25 assemble body plastic 1:14:33 scooter broke down and left me stranded 1:16:39 diagnosing no start 1:17:15 remove the stator / magneto 1:18:47 charging system wiring diagram 1:20:23 testing the stator 1:23:17 install the new stator 1:23:52 testing the CDI 1:24:46 charging system test 1:25:33 LED headlight upgrade 1:26:54 rewiring the headlights for DC 1:28:20 saving electricity 1:29:27 fix the brake light socket 1:30:33 final test ride 1:32:13 replacing the mirrors 1:33:15 old parts 1:33:33 parts and labor price estimate 1:35:46 does a Chinese scooter save you money 1:36:54 conclusion

In this video, I bought a 2014 Tao Tao BWS 150 scooter with 13,215 Km (8211 miles) and had to fix everything. Torque specifications: Stator M6 bolts: 7.3 ft-lb or 10 Nm Pickup coil M5 bolts: 4.4 ft-lb or 6 Nm Fan cover M6 bolts: 7.3 ft-lb or 10 Nm Parts: Spark plug NGK CR7HSA https://www.partsforscooters.com/Spark_plug_4-stroke Ignition coil (standard) https://www.partsforscooters.com/164-55_GY6_Ignition_Coil Ignition coil (performance) https://www.partsforscooters.com/169-15-Ignition-Coil CDI (standard A/C powered) https://www.partsforscooters.com/CDI_unit_gy6_qmb139 Stator (standard 8 pole) https://amzn.to/3j3Z68f Performance stator and voltage regulator 11-pole upgrade kit https://www.rollingwrenchdenver.com/collections/gy6-ignition-system/products/gy6-charging-system-upgrade-kit-8-pole-to-11-pole-stator?variant=39611395932239 W5W - 194 - 168 LED bulbs https://amzn.to/3kuc5QZ BA20D LED headlight bulbs https://amzn.to/3kt5lTj Tools: Rolling wrench CVT holder https://www.rollingwrenchdenver.com/collections/tools-1/products/cvt-tool Flywheel puller tool https://www.rollingwrenchdenver.com/collections/tools-1/products/magnitio-flywheel-puller-tool 0:00 intro 0:36 diagnosing no spark 1:03 remove the old stator 1:29 tools 1:54 8-pole stator 2:20 charging system wiring diagram 3:47 testing the stator 6:49 install the stator 7:25 test charging system voltage (fail) 7:50 Amazon stator 8:02 voltage test (pass without lights) 8:28 LED headlight upgrade 9:08 re-wire headlights for DC 10:23 voltage test (fail again) 10:51 saving electricity 11:11 test charging system voltage (pass) 11:37 conclusion

Scooter tires can be hard to replace. If it's super stuck, you might need some extra help from a vise to break the bead loose from the rim. Tire pressure should be between 25 and 35 psi. Torque specifications: Exhaust studs to head (8mm size): 7.3 ft-lb or 10 Nm Exhaust nut torque (6mm studs): 8 ft-lb or 11 Nm Exhaust nut torque (8mm studs): 12 ft-lb or 16 Nm Exhaust bracket to engine bolts: 18 ft-lb or 24 Nm Rear wheel nut: 80 ft-lb or 108 Nm Muffler clamp bolts: 30 ft-lb or 40 Nm Parts: Tire size: 130/90 - 10 https://www.partsforscooters.com/154-82_Kenda_Tire https://amzn.to/3ZM14uq Bent tire valves https://www.partsforscooters.com/153-17_Bent_Valve_Stem Straight tire valves https://amzn.to/3iTVjKL Exhaust studs 6mm (stock) or 8mm https://www.partsforscooters.com/190-54-Stainless-Steel-Exhaust-Studs-with-Nuts-6mm-or-8mm Metal exhaust gasket https://www.partsforscooters.com/190-51-Premium-Metal-Exhaust-Gasket Tools: Tire valve tool https://amzn.to/3GZAJRd Tire levers https://amzn.to/3WDPoHn 0:00 intro 0:45 remove exhaust bracket and rear wheel 1:19 tire options 2:03 remove tire from rim 4:36 replace valve 4:52 install new tire 5:36 set tire pressure 5:50 install rear wheel and exhaust bracket 6:36 conclusion

How to change the oil in your Chinese scooter! Engine oil: 10W-40 synthetic 0.7 liters Transmission oil: 75W-90 gear oil synthetic 0.12 liters Torque specifications: Oil drain plug and oil screen: 14 ft-lb or 19 Nm Transmission drain and fill plugs: 10 ft-lb or 14 Nm 0:00 intro 0:07 oil change interval 0:36 engine oil change 2:05 transmission oil change 2:54 conclusion

Torque specifications: Exhaust studs to head (8mm size): 7.3 ft-lb or 10 Nm Exhaust bracket to engine bolts: 18 ft-lb or 24 Nm Exhaust nut torque (6mm studs): 8 ft-lb or 11 Nm Exhaust nut torque (8mm studs): 12 ft-lb or 16 Nm Muffler clamp bolts: 30 ft-lb or 40 Nm Engine mounting bolt: 36 ft-lb or 49 Nm Shock bolt to frame: 22 ft-lb or 30 Nm Parts: Exhaust studs 6mm (stock) or 8mm https://www.partsforscooters.com/190-54-Stainless-Steel-Exhaust-Studs-with-Nuts-6mm-or-8mm Metal exhaust gasket https://www.partsforscooters.com/190-51-Premium-Metal-Exhaust-Gasket Fan shroud set https://www.partsforscooters.com/164-331-Emissions-Style-Fan-Shrouds Fan cover gasket https://www.partsforscooters.com/151-176-Fan_cover_gasket_qmb139 Tools: 8mm x 1.5 tap https://amzn.to/3Hlpq7e 0:00 intro 1:02 remove the muffler 1:44 remove the engine 2:26 remove the fan shroud 2:43 drill out old studs from cylinder head 3:29 tap new threads 4:40 install new exhaust studs 5:22 install muffler 6:38 install engine 7:20 connect rear brake 7:43 conclusion

In this video, I will show you how to simplify the hoses in your Chinese scooters. Chinese scooters use 3 different hose sizes: 1/8" vacuum hoses on carburetor: 10" length 1/8" carburetor to fuel petcock: 18" length 1/8" fuel tank vent to airbox: 28" length 3/16" fuel hose gas tank to carburetor: 22" length 1/4" fuel hose PCV valve cover to airbox: 20" 0:00 intro 0:19 hose sizes 0:36 fuel hose 1:08 vacuum hoses 1:51 PCV hose 2:13 conclusion

New carburetor: https://amzn.to/2regA3B In this video, I will remove and clean the carburetor in a 50cc Chinese scooter. This is an easy procedure that will help you drain all the gas and clean the carb and gas tank.

Buy it here (affiliate link): https://amzn.to/2JMmhN3 In this video, I'm replacing the handlebars on my 125cc Chinese GY6 scooter

Flywheel tool: https://amzn.to/2rfEYBO Cheap voltmeter: https://amzn.to/2JHTVUe Fuses: https://amzn.to/2r9YD5s 8-pole stator (make sure the it's right part before buying): https://amzn.to/2I6Gyj3 4 pin regulator: https://amzn.to/2JKSUuq 5 pin regulator: https://amzn.to/2jlSbVn How to diagnose and repair the charging system on a 150cc scooter. This procedure is similar for all 50, 125, 150 cc GY6 Chinese scooters. I explain how to test and replace the stator, fuse, wiring, and voltage regulator.

The drive belt and variator in your Chinese scooter can last up to 5,000 miles. Torque specifications: Clutch nut: 36 ft-lb or 49 Nm Variator nut: 36 ft-lb or 49 Nm Transmission belt cover bolts: 7.3 ft-lb or 10 Nm Parts: Variator kit https://www.partsforscooters.com/164-287_GY6_Front_Clutch_variator Belt size: 835 20 30 https://www.partsforscooters.com/106-136-Bando-835-20-30-Kevlar-CVT-Belt Tools: Rolling wrench CVT holder https://www.rollingwrenchdenver.com/collections/tools-1/products/cvt-tool 0:00 intro 0:15 remove CVT cover 0:43 inspecting the belt 1:32 remove drive face and variator 2:15 inspect variator 3:43 remove kickstart gears 4:33 inspect clutch 6:02 measure the belt 6:58 install clutch 8:04 install variator 9:28 common belt sizes 9:42 install the belt 10:18 how the CVT works 11:16 install CVT cover 12:17 conclusion

I bought a 2014 Tao Tao BWS 150 scooter with 13,215 Km (8211 miles) and had to fix everything. This video will focus on just the carburetor cleaning. Torque specifications: Intake manifold nuts: 7.3 ft-lb or 10 Nm Parts: Carburetor: https://www.partsforscooters.com/164-49-Universal-Parts-GY6-125cc-150cc-Carburetor Main jets: https://www.partsforscooters.com/114-35-Hoca-Main-Jet-CVK Idle / pilot / slow jet: https://www.partsforscooters.com/114-38_Hoca-Idle-Jet Carburetor rebuild kit: https://www.partsforscooters.com/125-150cc-GY6-Carburetor-Repair-Kit-164-194 0:00 intro 0:14 remove body plastic 0:40 remove carburetor 1:45 disassemble carburetor and identify parts 3:37 clean carburetor 3:53 new parts 4:35 assemble carburetor 5:20 fuel inlet valve adjustment 5:36 blocking the float bowl drain 6:10 finish assembly 7:02 reinstall carburetor into scooter 8:30 conclusion

Main jet kit: http://www.partsforscooters.com/114-49-QMB139-Main-Jet-Kit?sc=34&category=133078 Air filter: https://amzn.to/2ref3uw Carburetor: https://amzn.to/2JL7li2 0:00 intro 0:57 Main jet 3:37 Elevation 7:26 Pilot jet 10:00 Idle 11:47 Needle 13:11 Accelerator pump 13:36 Temperature 14:21 Summary This is a complete tutorial showing you how to tune a 50cc Chinese scooter carburetor. I will show you how to select the right jets, check the spark plug, and how to tell if the engine is running too lean or too rich.

In this video, I'll show you how to bleed the brakes on your Chinese scooter. This procedure is the same for most motorcycles too. Make sure to use DOT 3, 4, or 5.1 brake fluid. Torque specifications: Brake lever banjo bolt: 19 ft-lb or 26 Nm 0:00 intro 0:06 open reservoir and fill fluid 0:17 brake bleed procedure 1:06 re-install brake lever cap and clean up 1:37 different types of brake fluid 2:23 conclusion

New carburetor: https://amzn.to/2reBtff Jets kit: https://amzn.to/2w1hEg9 In this animated cutaway video, you get to see inside the GY6 Chinese scooter carburetor. I will explain in detail how the carburetor works so you can tune your scooter.

In this video I will remove the front wheel on a 150 cc scooter and put it back on.

Support my channel on Patreon! https://www.patreon.com/labcoatpaul?fan_landing=trueT5 0:00 intro 0:09 remove old valve 0:16 breaking the tire bead loose 1:08 use 0.453" car tire valves 1:20 install the valve 1:54 re-install the tire bead 2:18 inflate the tire 2:46 doing it the easy way 3:41 conclusion

www.partsforscooters.com In this video, I will get an old Chinese scooter running. I'll check the battery, starter, carburetor, and ignition system. This Chinese scooter is pretty good, and only needs a front brake lever replacement, and a new drive belt.

https://www.partsforscooters.com/ 0:00 intro 0:12 remove front plastic fairing 0:35 remove old turn signal switch 0:47 install new turn signal switch 1:07 re-install front plastic

Turns out Chinese scooters are not too bad off road! I took my Roketa scooter to Five Mile Pass in Utah to see what it can do. 130/70-12 Duro Median HF903 tires: https://www.partsforscooters.com/154-302-Duro-HF903-130-70-12-Tubeless-Scooter-Tire 0:00 intro 1:32 first hill climb 2:36 fixing the spark plug wire with vise grips 4:05 the big hill climb 6:41 steep downhill 7:46 jumping the scooter 8:29 berms and turns

Feeler gauge set on Amazon: https://amzn.to/3syuA5t Spark plug on Amazon: https://amzn.to/3pWZHpP Intake valve clearance: 0.004 inch 0.102 mm Exhaust valve clearance: 0.005 inch 0.127 mm Spark plug gap: 0.024 inch 0.6 mm 0:00 intro 0:09 remove seat compartment and fairing 1:02 remove spark plug 1:17 remove valve cover 1:31 adjust valves 2:40 install valve cover 3:11 install rear plastic panels

130/70-12 Duro Median HF903 tires: https://www.partsforscooters.com/154-302-Duro-HF903-130-70-12-Tubeless-Scooter-Tire Bent valve stems: https://www.partsforscooters.com/153-17_Bent_Valve_Stem Exhaust gasket and stud kit: https://www.partsforscooters.com/190-46-Premium-Exhaust-Gasket-Kit?quantity=1&custcol85=1 The stock tire size on my scooter is 120/70 - 12. I installed some bigger tires and they fit... kind of, not really. I'll need to trim the fenders a little bit. It's easier to work on the rear wheel and brake if you drain the gas first and lay the scooter down on its side. 0:00 intro Removing the front wheel 1:08 Removing the front tire 1:24 Installing the front tire 2:31 Installing the front wheel 3:41 Draining the gas 4:44 Removing the exhaust pipe and muffler 5:19 Removing the rear wheel 5:40 Inspecting the rear brake 5:56 Removing the rear tire 6:30 Installing the rear tire 7:24 Installing the rear wheel 8:09 Installing the exhaust pipe and muffler 8:34 Adjusting the rear brake 9:46

Round gas tank: https://amzn.to/3lKjrfJ Foot pegs: https://amzn.to/3cWpART Grip tape: https://amzn.to/3tJqVCt Fuel shutoff valve: https://amzn.to/3vQCdGK https://www.partsforscooters.com/ 0:00 intro 0:45 removing the plastic body fairings 2:16 scooter component locations 2:39 removing the gas tank 2:53 remove the carburetor 3:11 disconnect rear brake cable 3:34 fuel pump 3:42 rear shock 3:56 remove the engine 4:00 frame modifications 4:58 installing new foot pegs 5:40 install wiring harness and cables into frame 5:56 install the engine 6:16 connect ground cables 6:23 install CDI and starter solenoid 6:49 stator wiring 7:02 ignition coil 7:13 connect brake cable 7:32 install carburetor 8:10 install air intake box 8:34 install rear plastic 8:53 tail light wiring 9:03 install new gas tank 9:44 install seat latch and storage compartment 10:28 install front fairings and fender 10:58 conclusion

Nilight low beam: https://amzn.to/3fVuPmI Nilight high beam: https://amzn.to/3KExb7G Round chrome headlight: https://amzn.to/33BzVCt Support my channel on Patreon! https://www.patreon.com/labcoatpaul?fan_landing=trueT5 0:00 intro 0:05 testing the incandescent light 0:20 remove the old headlight 0:50 headlight bulb type 1:03 LED light bulb type 2:03 installing the LED bulb 3:26 testing the LED bulb 4:12 LED failed 4:39 shopping for new headlight options 6:07 testing the power use of off road lights 6:26 remove old headlight housing 6:46 testing the wiring 7:05 re-wiring switch from AC to DC 7:54 installing the off road lights 8:21 connect new wires 8:51 power comparison incandescent vs. LED 9:10 testing the off road LED lights 9:38 conclusion

The Roketa MC 16-150 scooter takes a metric M10 x 1.25 bolt, 50mm length to hold the handlebar clamp on to the steerer tube. If your handlebars move side to side, you should replace the bolt. 0:00 intro 0:05 straighten the bars 0:26 remove the old bolt 1:17 install the new bolt 1:42 align the handlebars 2:03 conclusion