Question about Qianjiang QJ150 Motorcycles

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I Cant Get My Scooter Lance 150 To Start When I First Got It Started it Idled Up fine Like Its Suppose To. I Replaced The Auto Choke as well

Posted by edward_stanc on

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1 Answer

Gregg Mahin

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  • Qianjiang Master
  • 64,964 Answers

Hi, Edward and the usual suspects are:
1. Fuel tank empty.
2. The fuel tank has old dead gas.
3. Fuel tank bottom contaminated with ethanol sludge, dirt, water, rust, etc.
4. Fuel supply valve/petcock turned off.
5. Fouled spark plugs.
6. Engine flooded as a result of overuse of the choke.
7. Vacuum hose to the fuel supply valve/petcock disconnected, broken, cracked, or pinched.
8. Fuel valve/petcock or filter clogged.
9. Fuel line to carburetor or throttle body pinched, kinked or blocked.
10. Carburetor float stuck.
11. Fuel injectors clogged.
12. Fuel injectors stuck open.
13. Quick disconnect check ball stuck.
14. Compression below 75 PSI.
15. A stuck-bent-burnt valve.
16. Improper valve clearance (too tight)
17. Severely discharged or a damaged battery should have 12.5 volts or more and be able to pass a proper "LOAD" test if necessary, you may have a cursory reading of 12.5 volts or more but little or zero amperage the battery is faulty and must be replaced, AGM batteries fail in this scenario more so than lead-acid batteries.
18. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
19. Loose or corroded wire connection at the coil or plug between ignition sensor and ECM module.
20. Spark plug cables in bad condition and shorting check for spark leakage in the dark, cable connections are loose or connected to the wrong cylinders.
21. Ignition timing incorrect due to a faulty ignition coil, ignition module or MAP, CMP, CKP, O2, TPS, ETP, IAC sensors.
22. Faulty neutral, clutch, kickstand safety switch.
23. Faulty fuel pump or fuse or relay.
24. Faulty or corroded run/stop switch.
25. Tilt sensor needs a reset.
26. Security system not disarming alarm needs a reset.
27. Check for engine trouble codes.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
http://www.scooterfocus.com/scooter_troubleshooting.html
https://scootdawg.proboards.com/thread/21577/lance-scooter-start
http://www.family-motorsports.net/GY6-50cc-150cc.pdf
https://www.scooterdynasty.com/stockoempartsforscooters.aspx
https://absolutelyscooters.net/pdf/CGEN_dawg_scooter_manual.pdf

Posted on Aug 09, 2020

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5 Related Answers

Anonymous

  • 40 Answers

SOURCE: ezip 150 electric scooter. won't start.

Hi, did you charge the batteries for at least 8 hours? Make sure that your charger has a RED Light When you plug it in, You should see Green light in 4-8 hours depending on the Batteries.
Secondly Your scooter batteries were dead when you got the Scooter, Judging from the fact you didn't get a Charger with it. I would recommend getting a voltmeter and checking the battery voltages. If the voltage is 11-12 volts, then you need new batteries. If this doesn't work check that fuse on the scooter it could be blown.

Posted on May 13, 2009

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Boole5555

Chris Briggs

  • 160 Answers

SOURCE: Scooter has not been started for over 1 year and

Start by checking to make sure the kill switch is set to "run", as nothing will start the bike if it's "off". And that all the fuses are good. (There should only be two)
Just like a no start problem with a car, it's going to be one of the big three: Fuel, Air or Spark. You can start by removing the spark plug and checking for spark by holding the plug with the plug wire attached, in a gloved hand, near to a part of the frame and turning the engine over. Be aware that it will shock you, if you are not careful.
If no spark, the Stator/ magneto (alternator), Capacitor Discharged Ignition or CDI (timing), or Regulator/Rectifier (voltage control and conversion) could be faulty, and there are no real good tests for these other than using another scooter that works, changing out the parts and rechecking.
If you do have spark, check the fuel by removing the air filter and spraying a small amount of starting fluid into the air intake. Please note however that these scooters require an exact airflow and the bike may not run or idle without it's filter.
Did you clean out the carburetor, or dump the float bowl? If so, it can take a ton of cranking from the engine to put out enough vacuum to draw gas back in. Starting fluid can sometimes get the carb to fire enough to start the engines vacuum.
And if that didn't work, air could be the problem. These Chinese scooters usually don't have many vacuum lines, there is one on the fuel pump, and one on the carb.There is a choke on the carb, but it is electronic and should be self adjusting, requiring no maintenance.

Posted on Jan 10, 2010

kevin hinchley

  • 186 Answers

SOURCE: My 150 cc motor scooter won't start

possible choke stuck or a sticking float

Posted on Jul 29, 2012

wcdoc1953

wcdoc1953

  • 280 Answers

SOURCE: cant get the printed circuit board repaired or replaced for Madrid scooter

The Madrid scooter is a Shoprider scooter. The controller can be repaired by calling 800-798-0325 (Monster Scooter Parts). If you open the controller there are 2 fuses inside which are replaceable and may be the cause of the problem. I have attached a link to the service manual available for download. Refer to Page 14-15 for specific controller info.
http://www.centralmobility.co.uk/includes/pdfs/scooters/Scooter%20Service%20Manual%20Live%20Document.pdf

Posted on Aug 05, 2012

gregg201

Gregg Mahin

  • 64964 Answers

SOURCE: 2012 Velocity 150cc MP 150-6..

Hi, Anonymous and the usual suspects are:
1. Fuel tank empty.
2. Fuel supply valve/petcock turned off.
3. Fouled spark plugs.
4. Engine flooded as a result of overuse of the enricher.
5. Vacuum hose to the fuel supply valve/petcock disconnected, broken, cracked, or pinched.
6. Fuel valve/petcock or filter clogged.
7. Fuel line to carburetor or throttle body pinched or kinked.
8. Carburetor float stuck.
9. Fuel injectors clogged.
10. Severely discharged or damaged battery, you need 12.5 volts or better and be able to pass a load test if necessary.
11. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
12. Loose or corroded wire connection at the coil, battery or plug between ignition sensor and CDI box.
Spark plug cables in bad condition and shorting check for leakage in the dark, cable connections loose, or connected to the wrong cylinders.
13. Ignition timing incorrect due to a faulty MAP, CKP, O2, TPS, sensors.
14. Faulty neutral, clutch lever, or kickstand safety switch.
15. Faulty fuel pump or fuse or relay.
16. Faulty CDI box.
17. A stuck bent or burnt valve.
18. Tip over sensor needs a reset.
19. Check for engine trouble codes.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
Scooter Troubleshooting Scooter won start All about Scooters
The Ultimate GY6 Starter Ignition Troubleshooting Tutorial
http://www.49ccscoot.com/manuals/Arrow_150_Engine_Service_Manual.pdf
Scooter Parts Absolutely Scooters Supply Parts for Chinese Scooters
http://www.49ccscoot.com/manuals/Baja_SC150_Owners_Manual.pdf

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Posted on Oct 04, 2016

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1 Answer

Hi All. I'm a 64yr old woman and I bought a used BMS Heritage 150cc scooter. We didn't get a manual and I can't figure out how to start it. Help please!!!


Not sure a 64 year old lady should be riding a scooter. I am 65 and gave up two wheels 15 years ago!

This scooter is made in China, so details are not abundant.

Brochure
Heritage 150 1Tone
contact
Heritage 150 1Tone

reading the specs, it has electric start and also a kick start lever. So guessing, you turn the fuel on, you operate the choke lever, turn the ignition on, pull the front brake on, press the starter button and open the throttle a little.


There is a video of starting one from cold. This guy doesn't understand the concept. Once started, you have to keep using throttle until it is warm. The choke is probably automatic (and Chinese)!

Starting a cold BMS 150cc Heritage - YouTube

default.jpg? 3:52 https://www.youtube.com/watch?v=nuMaGn4ArWM Apr 6, 2014 - Uploaded by BMS 150cc Heritage Scooter Starting a cold BMS 150cc Heritage. BMS 150cc Heritage Scooter. Loading... Unsubscribe from BMS ...
bms heritage 150 scooter manual Google Search

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My aprilia leonardo 1996 150 cc engined.scooter does not start easily unless it is warm.i hav to start it with easystart when cold.is this a choke prob.


Hi, Anonymous for this situation I would call my local dealer or reputable shop's service/parts department and inquire about any possible quick fix/test or parts inquiry. If necessary transport your vehicle to the dealer or shop and have a professional technician take it for a test drive, if it is in running condition, and give you a written estimate of repairs and answer any specific questions you may have about your issue. For more information about your issue please visit the website below. Good luck and have a nice day. https://www.tradebit.com/filesharing.php/search/0/2005+aprilia+leonardo+125

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

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