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Classic Goldwing Technical Forums
GL1000
1978 GL1000 smoking bad from left pipe
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<blockquote data-quote="jackb23548" data-source="post: 98831" data-attributes="member: 3032"><p>So I removed the left side head this evening. My hopes of reusing the head gasket were quickly dashed... Anyways below are some pics of the exhaust valves, combustion chambers, bores etc for further analysis. As you can see the #2 cylinder is showing lots of oil deposits and fresh oil in the exhaust passageway. #4 is not much better but is definitely 'drier'. So the question is, where is all this oil coming from? </p><p></p><p>Recap of symptoms and testing (1978 Gl1000 with 79000 miles)</p><p>Engine runs good and does not start smoking until about a minute after startup</p><p>Once it starts smoking it does not let up, very heavy smoke from left tail pipe even after 20 minutes of running.</p><p>Engine starts running rough once it starts smoking, some sounds emanating from left head area. Sounds like a light knock but could be exhaust leak, changes with RPM.</p><p>Compression in all cylinders is around 148 to 151 PSI. </p><p>No contamination of oil or antifreeze, does not act like a head gasket failure. Water level unchanged after running.</p><p>Inside of tail pipes appear dry no obvious oil in exhaust system.</p></blockquote><p></p>
[QUOTE="jackb23548, post: 98831, member: 3032"] So I removed the left side head this evening. My hopes of reusing the head gasket were quickly dashed... Anyways below are some pics of the exhaust valves, combustion chambers, bores etc for further analysis. As you can see the #2 cylinder is showing lots of oil deposits and fresh oil in the exhaust passageway. #4 is not much better but is definitely 'drier'. So the question is, where is all this oil coming from? Recap of symptoms and testing (1978 Gl1000 with 79000 miles) Engine runs good and does not start smoking until about a minute after startup Once it starts smoking it does not let up, very heavy smoke from left tail pipe even after 20 minutes of running. Engine starts running rough once it starts smoking, some sounds emanating from left head area. Sounds like a light knock but could be exhaust leak, changes with RPM. Compression in all cylinders is around 148 to 151 PSI. No contamination of oil or antifreeze, does not act like a head gasket failure. Water level unchanged after running. Inside of tail pipes appear dry no obvious oil in exhaust system. [/QUOTE]
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GL1000
1978 GL1000 smoking bad from left pipe
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