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Motor bogs down: Cleaning high speed jets, loose bolts
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<blockquote data-quote="kofkorn" data-source="post: 400573" data-attributes="member: 7076"><p>Your linkage looks pretty good. But it's very hard to tell visually. Just make sure that at idle, the roller doesn't touch the cam. It should be about 0.010" between the two. If you've got feeler gauges, you can use them to easily set the gap. If it is touching, then the butterflies on the carbs will open too early. Use the slotted pan head screw to adjust the roller. I would err on the side of too much gap rather than too little.</p><p></p><p>Another thing to check is to make sure both butterfly valves are completely closed at idle, and that when pushing on the roller they both begin opening at exactly the same time. If they don't open perfectly together, you'll need to adjust the linkage at the top carburetor to get them linked properly.</p><p></p><p>All of these little details make a significant difference at idle and low speeds.</p><p></p><p>Good luck!</p></blockquote><p></p>
[QUOTE="kofkorn, post: 400573, member: 7076"] Your linkage looks pretty good. But it's very hard to tell visually. Just make sure that at idle, the roller doesn't touch the cam. It should be about 0.010" between the two. If you've got feeler gauges, you can use them to easily set the gap. If it is touching, then the butterflies on the carbs will open too early. Use the slotted pan head screw to adjust the roller. I would err on the side of too much gap rather than too little. Another thing to check is to make sure both butterfly valves are completely closed at idle, and that when pushing on the roller they both begin opening at exactly the same time. If they don't open perfectly together, you'll need to adjust the linkage at the top carburetor to get them linked properly. All of these little details make a significant difference at idle and low speeds. Good luck! [/QUOTE]
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Motor bogs down: Cleaning high speed jets, loose bolts
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