Date: 09-11-2024
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Number of Hours: 4.00
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Short Description: Compression Test.
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The engine is still not running smoothly after all the work DBH and I have done.
We have oil in the induction system and can not find the reason why.
We have spoken to many people and done alot of googling to no avail.
We did a cold compression test on all four cyclinders and results were excellent.
The four cylinders tested to 78/80 PSI, therefore valves, rings and lifters are all good.
We tested at 80 PSI which is 5.5 Bar , " Rotax owners video" mentions field readings are typically 78/80 PSI.
Test equipment.
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Compression test cylinder 4
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Compression test cylinder 4
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