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Allen Junior

99’ Yamaha bear tracker 250cc engine problems

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Posted (edited)

I have a1999 Yamaha bear tracker 250cc one day I started it with choke on and it idled for a min then clicked some and shut right off. I was using the pull start to start cause something wrong with starter but it won’t pull any at all now like it’s locked up  can someone tell me what the problem might be

Edited by Allen Junior

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Welcome to Quadcrazy. From your description it sounds like you heard a noise and then it shut off?  Is the bike in neutral ? It’s possable that the engine is seized up.  I would take the spark plug out and try to pull start it to see if the engine turns over.  Then drain the oil if there is any oil in the engine and see if any metal pieces are present.  It’s also possable that something else is locking up the engine causing it not to spin like a blown clutch bearing, maybe something came apart in the stator coil area or transmission. 

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Yes I took out the spark plug and still won’t turn over I took apart the pull string housing assembly and was looking to see if something might have came apart in there but nothing      I can  turn back and forth about a quarter turn each way the part thats used by the pull string to start the engine but no more then that I also sprayed blaster down in motor where spark plug was just to see if maybe it would free up after sitting but didn’t work.    HELP PLEASE 

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Welcome back Allen. It honestly sounds like the engine has seized. I would take the head off exposing the piston and cylinder to see if there is any damage inside the cylinder walls. And maybe go further into this by taking the cylinder off completely. 

But prior to any of that make sure your not missing something else like the starter bearing or in the stator coil area   

Did you drain the oil? 

I have the same bike and it’s reliable and tough. But if there was no or low oil well that’s that! 

Hopfully you will find out and keep us posted. I’ve been a little busy since I opened up my own company but will try to check in from time to time. 

Goos luck. 

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