Question about 2005 Yamaha TT-R 125 E

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My ttr50e wont start it has spark and has fuel going in.i cleaned the carb and it still wont start. anything i could try to make it start.

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I would check timing and compression.

Posted on Jul 04, 2009


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New Poulan Pro FWD wont start. Turns over, won't fire. Used about 7 times on my 1/3 acre lawn.

Trouble shout the problem.
1) Spark are you getting spark at all? did you hit anything and possible you bent the blade. ( It is directly connected and the timing could be off. ) means new camshaft if handy kinda bad if not = bad replace the motor.
NO Spark at and all is good check the wiring to the auto shut off if shorted you won't get a spark.

2) If you then check fuel?
a) correct type and freshness (not last seasons fuel) look for a cloudiness in the tank (water). remove on both cases and remember to clean and drain float, the Same thing when you remove Float Bowl look for (snotty) looking stuff. (water) clean with carb cleaner anyway.
All this good...

3) If you have spark and Fuel but not starting check for dirty (fuel line/filter) and replace filter/clean carb with Carb Cleaner.

All good should work first pull.
Hope I helped troubleshoot.

If I helped please "Like"

Aug 05, 2018 | Poulan Garden

1 Answer

I have a featherlight that wont start I have

Make sure you're getting fuel and spark before you do anything else.

Sep 09, 2014 | Garden

2 Answers

I have a 2011 husqvarna 345 xtorq only done 2 hours work .i got spark , cleaned out carb new plug still wont start or even fire any ideas plz

did you check for spark? you need air fuel and spark for engine to operate. check all of these then if it still wont start check the ground wire from coil to switch

Aug 14, 2014 | Garden

1 Answer

Cranks but wont start

what i would try is always check for spark if u are getting spark then it must be a fuel problem. with the bad fuel we get now thats what i think is wrong pull the air box off and put gas in the carbs and see what it does if it runs then u no to pull the carbs off and clean them out then try if from there make sure u are getting gas to your carbs first that its not a plugged fuel line. well good luck hope this helps u

Dec 05, 2012 | 2000 Yamaha V-Max

1 Answer

I have a new batiere in my 1991 vino 50cc tow stroke, And the starter wont work and it wont kick start even with starter fliod. Anything that I can check or replace?

Check fuses. Get a new spark plug then check for spark by hooking up the plug wire then hold the metal side of the plug against the cylinder. Have a friend kick the engine over while you look for spark. Remove the carb, then remove the float bowl from the bottom of the carb. Use spray carb cleaner to clean the carb. How old is the gas? Flush the tank and fill with fresh fuel if old gas is present. Please rate my answer. Thanks.

Apr 06, 2011 | Yamaha G5 Motorcycles

1 Answer

I have a 1990 yamaha 100 cc 4 wheeler and we replaced the spark plug and cleaned out the carb and its turning over but wont start. I know the spark is fine but it just wont turn over, any ideas? maybe...

If the spark is fine, then it is not wiring. It is going to more than likely be fuel. Try spraying a little starting fluid in the air filter. If it starts, then you will know that it is fuel. Make sure that the carb is getting fuel from the tank. A lot of times the filter in the tank will get plugged up. If the bike doesn't start with starting fluid, then the problem is not fuel and will have to be either the timing is off or not enough spark. The spark should be blueish purple.
If this helps you please rate by checking the 4 thumbs up! Thanks for using

Jan 12, 2011 | Yamaha G5 Motorcycles

1 Answer

26 hp briggs it is firing and full of fresh gas but wont start.

Well you didn't indicate what its mounted on but the basics are: spark and fuel. Pull a spark plug and make sure you get spark. If you do then it must be fuel. You can try a shot of starting fluid (small amont) into the carb, if it runs on that you know you have a fuel problem. Be sure the carb is getting fuel from the tank. Clean the carb. Maybe a carb kit. With today's fuel, you must take care of your fuel system. Use Sta-bil year round. Fuel can go bad in 60 days.

Jul 18, 2010 | Briggs & Stratton Briggs Stratton Intek V...

1 Answer

I have Yamaha 50 2008 2 stroke. I had problem motor wont start i replace spark plugs,fuel filter now motor start ok but wont hold idle well and wont go on water no power when i put on gear its shoting down...

Need to do a spark test to ensure all cylinders are firing but the carb may need to be cleaned. Yamaha carbs have smaller fuel/air holes so they get clogged easier than others.

May 24, 2010 | RTO Oar Sockets

1 Answer

Wont start has spark , new fuel, new oil.

Is the spark plug black?
It won't run well with a carbonized plug.

Is the main jet in the carb plugged?
If the plug is dry after trying to start it.....your fuel is not getting into the engine and most likely a plugged carb jet..
Also.....Is the fuel switch it in run position?

If the generator has sat for a while with fuel left in the carb/fuel tank.......the most common problem is a plugged varnished dirty carburetor in need of a good cleaning.
Always shut the fuel off and let the carb run dry (run until the engine stops)before storing.
Add fuel stabilizer to any remaining fuel or drain the tank before storing.

Oct 14, 2009 | Honda Electrical Supplies

1 Answer


Not so many reasons she won't start. 4-Strokes are Simple!

Here they are:

Fuel Tank-> Fuel Line-> Fuel Filter-> Carb-> Intake (Valve)-> Piston-> Exhaust (Valve)-> Muffler

Carb (Old Style):
Fuel Side:
Fuel Bowl-> Float-> Needle Seat-> Fuel Ports (Venturi)
Air Side:
Air Filter-> Carb Air Intake-> Butterflies (2)
(Clean 'em ALL!)

Hardware (Motor):
Rotor (Magnets)-> Magneto (Ignition Coil)-> Spark Plug Wire-> Spark Plug-> Cylinder Head (Spark Plug Ground)

Kill Switches (Seat, Clutch, etc.)-> Spark Plug/Ignition Coil-> Ground
Key Ignition-> Battery->Starter/Generator

If one of those fail.......= Non-Starting 4-Stroke!

You are either getting too much, or too little. Too much = Carb.
Too little = Carb. Therefore, tear down the Carb (COMPLETELY-Careful!) and clean it up.

Grounding out the System (Kill Switches)
Battery-> Ignition-> Starter.
Magneto->Plug Wire->Plug (Check 'em all!)

May 28, 2009 | Mtd Garden

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