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Everything Dirt Bike
Make / Model Specific
KTM
New Top End Problems
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<blockquote data-quote="Harfend" data-source="post: 201009" data-attributes="member: 3724"><p>Greetings all,</p><p></p><p>I am new to the forum and seeking help. I have a 1986 KTM 250 MX. I replaced the piston, ring and had the cylinder recoated. The new piston went along with the cylinder to the machine shop so the parts were fitted. I reinstalled everything according to the factory manual, set all the clearances and had excellent compression. The bike started and ran. I let it idle for a few minutes and let it cool. I started the bike again and went for a short ride then let it cool. I started the bike a third time and rode a bit longer and the engine quit, locking the rear wheel. I was not hammering on the bike at all. Now I can not turn the motor over with the kick starter. I was using super oily gas as well. Have I ruined my engine and threw away all that money??!! Any help appreciated as well as ideas on how to unstick the piston if it is frozen....</p><p></p><p>Thanks,</p><p>HARFEND</p></blockquote><p></p>
[QUOTE="Harfend, post: 201009, member: 3724"] Greetings all, I am new to the forum and seeking help. I have a 1986 KTM 250 MX. I replaced the piston, ring and had the cylinder recoated. The new piston went along with the cylinder to the machine shop so the parts were fitted. I reinstalled everything according to the factory manual, set all the clearances and had excellent compression. The bike started and ran. I let it idle for a few minutes and let it cool. I started the bike again and went for a short ride then let it cool. I started the bike a third time and rode a bit longer and the engine quit, locking the rear wheel. I was not hammering on the bike at all. Now I can not turn the motor over with the kick starter. I was using super oily gas as well. Have I ruined my engine and threw away all that money??!! Any help appreciated as well as ideas on how to unstick the piston if it is frozen.... Thanks, HARFEND [/QUOTE]
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New Top End Problems
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