Question about Yamaha TW 200 Motorcycles
Hi, Edward and the usual suspects are:
1. Fouled spark plugs.
2. Severely discharged or a damaged battery, should have 12.5 volts or better and be able to pass a load test if necessary.
3. 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.
4. Loose connection at ignition coil or plug between ignition sensor and CDI box.
5. Spark plug cables in bad condition, shorting / leaking, spark plug cable connections loose, check for spark leakage in the dark.
6. Faulty ignition coil, pick up coil, trigger coil or CDI box testing needs to be checked with an ohmmeter at 70 degrees Fahrenheit
7. Faulty safety switches clutch, kickstand, neutral, off/on etc.
8. Faulty ignition switch.
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.
have no spark
no spark help
Yamaha TW200 Service Manual
OEM parts for Yamaha
YAMAHA TW200E Owner Manual
Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e
Posted on Dec 21, 2016
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Posted on Jan 02, 2017
SOURCE: no spark from coils
i HAVE A 2006 V STAR 650 CLASSIC WITH A STARTING PROBLEM, COIL PACKS HAVE BEEN CHECKED OK, CDI IGNITION MODULE HAS BEEN REPLACED AND STILL NO FIRE TO PLUGS, KILL SWITCH ON HANDLE BARS BEEN REPLACED TOO, STARTER WILL TURN ENGINE BUT NO FIRE AT ALL
Posted on Apr 25, 2009
SOURCE: 1989 tw200 yamaha won't start
G'day egdbcs . Ok.now lets see.You say good spark,so i'm presuming you are doing the old sight test.Try bending the arm on a know good sparkplug about 5-6mm,earth the plug and kick'er in the guts(crank it over)Be very carefull , high voltage danger.If there's still a good spark it's safe to say that there will also be a good spark under pressure in the combustion chamber,speaking of which you should also do a compression test,anything over 100psi should be ok. as i'm not to sure of the extent of the re-build,hopefully the valves were lapped and checked for straight and true and valve seals replaced,if you notice oil on the tip of the spark plug you could have a leaking valve seal or oil seal .Try putting a small amount of fuel directly into the combustion chamber ,tighten up the spark plug ,install the plug cap and.......Yeah ..You guessed it ..."kicker in the guts".If all the abouve are correct and true it should fire up.If it runs for 5-10 seconds then stops you've got some sort of fuel starvation problem , could be dirt in the carb,blocked idle jet ,or air passage or even the needle could have come off it's clip,believe me with an old bike like yours anything could be worn and loose inside that carby.The only other thing to consider is the timing.There may be a good spark but is it happening at the right time inside the engine???. I'll leave it all in your capable hands EGDBCS.Hope this helps to solving your worries. Chow for now......Tilleydog..
Posted on Jun 03, 2009
Posted on Aug 06, 2009
u can do trial & error method by connecting and then starting and figureing which cylinders not firing or u can buy a manual for yama on line or @borders
Posted on Aug 07, 2009
SOURCE: My Yamaha 125 YBR was
First of all, never start any vehicle without a battery.
The charging system will try to put out potentially destructive voltages attempting to recharge a non-existing battery.
What you need to check now is power to the ignition circuit.
Specifically, try testing at the + of the ignition coil?
If you do have current, then it is the distributer ignition that is bad.
If not, then it is the ignition control unit that is bad.
But both can be tested by most parts places, before buying a new one.
Posted on Jan 25, 2011
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