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  1. #1

    Deep Grooves in middle cylinder of 2000 Ultra

    The last time i took out my ultra was about 2 weeks ago. Ran great all day, but just as i was pulling up to my friend's condo ski turned off on it's own abruptly. Tried to start but the battery was having a hard time turning engine over. Let it sit for a while hung out at the pool. When i was ready to get it out of the water i had a hard time getting it started. I ended up priming it alot to get it started again. Idled back to the ramp, never put it under any load. When i was flushing it out i looked above the pump to make sure the two cooling lines there were flowing ok but only one was. So i cut everything off and was going to try and unclog it the next day. When i got to it there was no obstruction. So put it on the hose and all lines were cooling fine. For what ever reason i thought to do a compression test and I got 110, 10, 110 for readings. Pulled the head off and i found some deep grooves/scratches near one of the ports. Did i snag a ring? I have learned alot by reading other threads especially "How to remove a cylinder head" so im going to go off of that but i just want to know what happened here and have a few other questions that i might have along the way. I like to do my own repairs but have never opened up an engine before any advice would be greatly appreciated. I'll post better pics later.
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  2. #2
    most likely the locator pin came out and the ring rotated and got caught in the port.

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