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Cool Telltale with Steamy Exhaust Relief - 1994 Johnson 20HP
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<blockquote data-quote="Pappy" data-source="post: 443288" data-attributes="member: 3278"><p><span style="font-size: 18px">Normally, in our Southern waters, the temp drops to around 100f or so at that RPM. This is measured on the top of the cylinder head. You can find hot spots around the spark plug areas but those areas are not indicative of true running temp. After a hard run it is fairly normal to see some steam for a short time. The exhaust housing gets quite warm from the hot exhaust gases but will cool fairly quickly. Steam much more evident in colder waters. </span></p><p><span style="font-size: 18px"></span></p></blockquote><p></p>
[QUOTE="Pappy, post: 443288, member: 3278"] [size=5]Normally, in our Southern waters, the temp drops to around 100f or so at that RPM. This is measured on the top of the cylinder head. You can find hot spots around the spark plug areas but those areas are not indicative of true running temp. After a hard run it is fairly normal to see some steam for a short time. The exhaust housing gets quite warm from the hot exhaust gases but will cool fairly quickly. Steam much more evident in colder waters. [/size] [/QUOTE]
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Cool Telltale with Steamy Exhaust Relief - 1994 Johnson 20HP
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