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AvK

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  3. compression test

    in Gas Gas

    Posted

    7 minutes ago, Glayne said:

    Possibly a dumb question, was this done at full throttle? it should be. Can you pull the header pipe and check for any piston wear around the exhaust outlet?

    Its not a dumb question but a compresion test you do not do at full throttle bub when the motor is not running. Like the picure.. 🙂 

    IMG_0974.JPG

  4. compression test

    in Gas Gas

    Posted · Edited by AvK

    Hey,
    Does anyone have experience with a compression test?

    I understand there is no standard. It will be different per engine, but I am looking for an indication whether the piston/cylinder may be worn. I now measure 75PSI and according to an earlier topic that is too little.

    who can help give me some advice?

    The bike is an Gasgas TXT300. 🙂 

    Best regards.. 

    Alex 

  6. Starting Problems TXT 300

    in Gas Gas

    Posted

    3 hours ago, lineaway said:

    The times it refuses to start, you have to verify if you are getting spark or not. If it is flooding it`s a carb/intake or even a main seal issue. But the flooding could be from kicking it 20 times with no spark. A quick cheap other trick would be pull off the spark plug cap and cut the wire back a little to fresh wire and screw the cap back on. And double check the pins connecting the CDI, they have been known to push in or out of place.  Being 17 years old now, anything is possible.

    Hello Lineaway, 

     I replaced the DCI unit, flywheel en voltage regulator compleet with the wiring. I chekt it and is looks oké. the strange thing is that, if it is not starting it still hase a spark.

    . 

  7. Starting Problems TXT 300

    in Gas Gas

    Posted

    6 hours ago, collyolly said:

    I assume you are running with an airbox fitted, is that just the adaptor fitted to the rear of the carb ?

    If it starts and runs when cold then the ignition must all be in place I would suspect a blockage in the carb.

    Hai Collyolly, 

    Yes thats an adapter mounted on my carburetor. Otherwise the air box does not fit. as il looks like this is an original part.

    what do you ment bij 'blackage in the carb? 

  8. Starting Problems TXT 300

    in Gas Gas

    Posted

    20 hours ago, reggie said:

    2 thoughts         1)   with the fuel turned on and the bike laying flat on the ground ( either side )     does fuel pour out onto the ground ?

                              2)   have you taken the flywheel off the check the woodruff key ?

     

     

    Hello Reggie,

    1) I'll see fuel leeking when i put the bike on the richt site. Left is not leaking, richt is leeking.

    2) Woodruff key is oké, in place.

    Why do you ask about the leaking? 

  9. Starting Problems TXT 300

    in Gas Gas

    Posted

    9 hours ago, reggie said:

    2 thoughts         1)   with the fuel turned on and the bike laying flat on the ground ( either side )     does fuel pour out onto the ground ?

                              2)   have you taken the flywheel off the check the woodruff key ?

     

     

    Thanks Reggie, 

    1) I will see this tonight. 

    2) The woodruff key is in place. 

    Strange is that the engine sometimes (mostly not) starts after 1 kick. When this happends the second time i need al least 10/ 15 kicks. 

    Alex 

  12. Starting Problems TXT 300

    in Gas Gas

    Posted

    Hello, Let me introduce myself briefly. My name is Alex and I am an Gasgas enthusiast from Holland. I've been in the middle of hot fires, but now I'm clueless.

    Herr’s my problem, I hoop you can help me?

     Gasgas TXT 300 from 2004 does not want to start

    What have I already done:

    • Kick starter gear replaced. 
    • Replace ignition coil.
    • Replace CDI unit.
    • Replace the voltage regulator.
    • Carburetor ultrasonically cleaned. 
    • New spark plug.
    • New piston and cylinder replaced.

     Strangely, he sometimes starts in 1 or 2 kicks but after stopping he starts very difficult (10 to 15 stairs) most of the time he doesn't start at all.

    The screw for mixture is from bottom 2,5 turns out. When it is not running after several kicks it seems the cylinder is full of mixture. I can see that through the sparkplug hole.

    It seems he is drowning in mixture

    I followed most of the topics on this forum but nothing seems to help (or I do something wrong) 

    I’m clueless, please help me

 
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