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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Identifying cams
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<blockquote data-quote="davidd" data-source="post: 178720" data-attributes="member: 1177"><p>Jim,</p><p></p><p>If your cam assembly is assembled out of square, it definitely should be tossed. I would be surprised if the "out of square" assembly would not wobble your cam spindle out of line and out of the case. I have never run across this, but considering the work done on your pinion, I would assume that it was not done correctly.</p><p></p><p>Although I have used many welded pinions on camshafts, I switched to the use of an anchor "pin" to avoid applying any heat to the cam assembly to avoid any type of movement due to warping from excessive heat.</p><p></p><p>I have found that the large idler boss can be bolted down to the case with some dirt underneath, which creates the same problem you have found with your cam with the idler shaft. I began checking the "squareness" of the large idler shaft.</p><p></p><p>[ATTACH=full]61906[/ATTACH]</p><p></p><p>I check the distance to the parting line at a number of spots to make sure the boss is square. The tool is not the best design for this, it was just a test to make sure the concept could work. I also used it to check the spindle heights for installation. Something similar might give a quick indication of how square the cam spindle is.</p><p></p><p>David</p></blockquote><p></p>
[QUOTE="davidd, post: 178720, member: 1177"] Jim, If your cam assembly is assembled out of square, it definitely should be tossed. I would be surprised if the "out of square" assembly would not wobble your cam spindle out of line and out of the case. I have never run across this, but considering the work done on your pinion, I would assume that it was not done correctly. Although I have used many welded pinions on camshafts, I switched to the use of an anchor "pin" to avoid applying any heat to the cam assembly to avoid any type of movement due to warping from excessive heat. I have found that the large idler boss can be bolted down to the case with some dirt underneath, which creates the same problem you have found with your cam with the idler shaft. I began checking the "squareness" of the large idler shaft. [ATTACH type="full" alt="DSCN7094.JPG"]61906[/ATTACH] I check the distance to the parting line at a number of spots to make sure the boss is square. The tool is not the best design for this, it was just a test to make sure the concept could work. I also used it to check the spindle heights for installation. Something similar might give a quick indication of how square the cam spindle is. David [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Identifying cams
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