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Motor looses power at full throttle but picks up rpm’s when I decrease throttle
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<blockquote data-quote="Pappy" data-source="post: 493116" data-attributes="member: 3278"><p><strong>The first thing I would check is sync and link. There is a pick up point for the carburetor throttle roller where it contacts the mag plate advance cam. check that first. Check for broken plastic parts. I know..."it's new" but it is still 32 years old. </strong></p><p><strong>Secondly the carb will need to come off and be checked. High speed jet for sure needs to be checked. Buy an OEM kit while you are at it and renew the carb after a thorough cleaning. </strong></p><p><strong>The water pump is also 32 years old and I would not run it until changed out. Again..OEM parts are your friend here. </strong></p><p><strong>I am hoping you are running double oil for the first tank of fuel?? A good proper break-in will insure a good long life from that engine. </strong></p><p><strong>By the way, that engine looks like a newer model than a 1990, What is the model number on the tag on the port mount bracket? </strong></p></blockquote><p></p>
[QUOTE="Pappy, post: 493116, member: 3278"] [B]The first thing I would check is sync and link. There is a pick up point for the carburetor throttle roller where it contacts the mag plate advance cam. check that first. Check for broken plastic parts. I know..."it's new" but it is still 32 years old. Secondly the carb will need to come off and be checked. High speed jet for sure needs to be checked. Buy an OEM kit while you are at it and renew the carb after a thorough cleaning. The water pump is also 32 years old and I would not run it until changed out. Again..OEM parts are your friend here. I am hoping you are running double oil for the first tank of fuel?? A good proper break-in will insure a good long life from that engine. By the way, that engine looks like a newer model than a 1990, What is the model number on the tag on the port mount bracket? [/B] [/QUOTE]
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Motor looses power at full throttle but picks up rpm’s when I decrease throttle
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