My 2004 Renesis HP was starting well hot and cold until, ironically, I passed the 100.000km milestone abroad. All of a sudden, hot starts were really difficult, and after several hot starts over the course of the week, it took me 3 tries of 10 seconds turning to get it running. The starter was fine, as it turned 300rpm, but felt as if there was no compression at all.
I guessed that the engine is toast, and after the last difficult start I decided to ride it hard, +200km/h on the Autobahn in 5th gear, letting the buzzer sing quite often. I've read about carbon buildup and some sticking apex seals, and guessed it would be worth the try to burn everything out of the engine. After the 200km trip back home, I tried starting after 1, 5 and 15 minutes, and suddenly everything seemed fine. I could feel the compression while the engine cranked, and it took less than 2 seconds to start the hot engine.
So, was it a stuck seal, or could there have been something else going on?
I guessed that the engine is toast, and after the last difficult start I decided to ride it hard, +200km/h on the Autobahn in 5th gear, letting the buzzer sing quite often. I've read about carbon buildup and some sticking apex seals, and guessed it would be worth the try to burn everything out of the engine. After the 200km trip back home, I tried starting after 1, 5 and 15 minutes, and suddenly everything seemed fine. I could feel the compression while the engine cranked, and it took less than 2 seconds to start the hot engine.
So, was it a stuck seal, or could there have been something else going on?
101.000KM first engine, sudden compression loss and recovery. Stuck apex seal?
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