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Idle speed and tach
Well I finally got the bottom of my engine troubles. Upon rebuilding the carbs I found the bottom one was completely gummed up. I got them back together fired it up and it was idling very high. I turned the speed screw and got it down but now its running rough. I may need to mess with mixture next but the real problem is I have no idea what rpm's its currently idling at. I tried a multimeter with tach attachment but got no reading. I have an older style automotive tach with alligator clips but I have no idea what to hook it up to to get a reading. Can anyone tell me where to connect it? Thanks!
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#2
07-15-2008, 06:43 PM
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I/O OR OB? what kind of motor?
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#4
07-15-2008, 08:26 PM
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you're going to have to back that thing in the water to get the idle right, the back pressure of being in the water makes a major difference in the way it idles
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#6
07-16-2008, 09:33 AM
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it needs to be pretty high, it should simulate teh water level that the boat will be setting in whenits in the water. I would recomend carring it to the ramp(when the ramp isn't busy). You can set all the idle adjustemnts, and then check the adjustemnts after you put it in gear idling. If you can get it to idle in gear(550-700) without the rpm getting too high in nuetral(generally not over 900 rpm) you'll have it right
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35 ob
Hybrid Mode
