Author Topic: Blown up top end. (Read 554 times)

Gage garman · « **on:** February 23, 2015, 07:00:44 pm »

My uncle has a 92 lt250 and last time he rode it it ran perfect and he went to start it today and I won't start. He has low compression I think it was 90. How could it blow up when it's sitting there.

Q2W · « **Reply #1 on:** February 24, 2015, 10:38:20 am »

It wouldn't have blown up while sitting.

Your bike can feel and run like a beast when lean. Unfortunately it will often nuke your top end at the same time.

Best thing to do is inspect the top for wear and air leaks.

2 strokes are cheap and easy to rebuild.

Gage garman · « **Reply #2 on:** February 24, 2015, 11:34:06 am »

he must of had it running really lean that is why it blew up

ZillaFreak · « **Reply #3 on:** February 24, 2015, 01:01:15 pm »

could have blown when trying to start it. Like broke a ring or something.

Nekrofilliak · « **Reply #4 on:** February 24, 2015, 01:05:16 pm »

check the compression Wide open throttle , get a second reading with some drip of oïl in the cylinder spark plug hole. you should have minimum 140 psi .

Gage garman · « **Reply #5 on:** February 24, 2015, 01:11:47 pm »

He had 90psi

Nekrofilliak · « **Reply #6 on:** February 24, 2015, 01:13:04 pm »

happy birthday :-)

Kreidy818 · « **Reply #7 on:** February 24, 2015, 01:30:52 pm »

if he did not let it warm up before he rode, it could have cold seized

Gage garman · « **Reply #8 on:** February 24, 2015, 01:53:26 pm »

He let it warm up for about 5 minutes

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Author Topic: Blown up top end. (Read 554 times)

Gage garman

Blown up top end.

Q2W

Re: Blown up top end.

Gage garman

Re: Blown up top end.

ZillaFreak

Re: Blown up top end.

Nekrofilliak

Re: Blown up top end.

Gage garman

Re: Blown up top end.

Nekrofilliak

Re: Blown up top end.

Kreidy818

Re: Blown up top end.

Gage garman

Re: Blown up top end.

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