Yamaha teos 125 By mar600 (Read 589 times)

[mar600]

Hi guys
I have a yamaha teos 125.
Trouble starting it up . Once it starts up rev it cuts out.
Automatic choke take the inner part starts up right away . Rev it up is a struggle.
Both the jets seem to be clear .
Any ideas welcome .
If I put the choke back in struggling to start spark plug is dry no fuel getting in there .

[JR]

mar600

I still believe you have a stopped up main jet. I'm looking for the specs/manual on this scooter and I'll get back to you on it. Had a exact same problem once and found the main jet partially clogged. Time to give it a good cleaning. I'll get back.

JR

[cyborg]

I agree with Jr ,,sounds like the jets are the problem,,,I'd go thru the carb again

[JR]

mar600 Found the manual and put it ion the library:

.jr-richscooterdoc.com/NCMan/Yamaha_Teos_Xn_125-Xn_150_Repair_Manual.pdf" rel="nofollow" target="_blank">.jr-richscooterdoc.com/NCMan/Yamaha_Teos_Xn_125-Xn_150_Repair_Manual.pdf

Now page 158 starts the carb section and the carb looks just like the typical Chinese gy-6 carb, next page is a complete pictured break down. Autochoke works in a way that with the engine cold it gives it more gas, as it warms up so does the autochoke and when it warms up it shuts off the extra gas. You've got a clogged carb or a carb with a bad diaphragm in it. Also you need to check the intake manifold for cracks or leaks.

JR

[mar600]

Feb 3, 2016 14:26:00 GMT -6 JR said:

mar600 Found the manual and put it ion the library:

.jr-richscooterdoc.com/NCMan/Yamaha_Teos_Xn_125-Xn_150_Repair_Manual.pdf" rel="nofollow" target="_blank">.jr-richscooterdoc.com/NCMan/Yamaha_Teos_Xn_125-Xn_150_Repair_Manual.pdf

Now page 158 starts the carb section and the carb looks just like the typical Chinese gy-6 carb, next page is a complete pictured break down. Autochoke works in a way that with the engine cold it gives it more gas, as it warms up so does the autochoke and when it warms up it shuts off the extra gas. You've got a clogged carb or a carb with a bad diaphragm in it. Also you need to check the intake manifold for cracks or leaks.

JR

Got the scooter up and running .
Tryed set the carb up. The air mix screw did not seem to make any difference when screwing it in and out.
Got it set up by adjusting the trottle screw up and air mix out 2 turns.
Thanks for your info and the manual
Cheers

[JR]

mar600 glad we could help!

JR