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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Front EXH follower spindle on the piss ET30/3 ( a cure)
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<blockquote data-quote="Vincent Brake" data-source="post: 98470" data-attributes="member: 398"><p>Hi all, i thought to share this:</p><p>As mostly all these follower spindles are a bit on the piss, relative to the CAM spindles, due to the fact they have a thread to postion, at one side and a hole on the other. </p><p>The cams wear unevenly and a bit more valve clatter there. Never liked it, so the head starts to work.....</p><p></p><p>Finally after my 5th casings repair i saw that the hole into the casing is rather deep, say 3/4 or so (it will differ of course). </p><p>This will provide more thrust than a normal spindle hole<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p><p></p><p>So i reamed (or hone'd ) it out clean, than made up an hardend axle, 0,02 mm interf. fit, and honed a follower acordingly (no interference fit<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" />) lenght 47 mm.</p><p>One side i made in a thread M5 and after assembly of the follower and axle, plugged it with a bronze thread part glued in place.</p><p>M5 12.9 bolt in,</p><p></p><p> ready!</p><p></p><p>cheers</p><p></p><p>Vincent [ATTACH=full]23172[/ATTACH]</p></blockquote><p></p>
[QUOTE="Vincent Brake, post: 98470, member: 398"] Hi all, i thought to share this: As mostly all these follower spindles are a bit on the piss, relative to the CAM spindles, due to the fact they have a thread to postion, at one side and a hole on the other. The cams wear unevenly and a bit more valve clatter there. Never liked it, so the head starts to work..... Finally after my 5th casings repair i saw that the hole into the casing is rather deep, say 3/4 or so (it will differ of course). This will provide more thrust than a normal spindle hole:D So i reamed (or hone'd ) it out clean, than made up an hardend axle, 0,02 mm interf. fit, and honed a follower acordingly (no interference fit;)) lenght 47 mm. One side i made in a thread M5 and after assembly of the follower and axle, plugged it with a bronze thread part glued in place. M5 12.9 bolt in, ready! cheers Vincent [ATTACH=full]23172[/ATTACH] [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Front EXH follower spindle on the piss ET30/3 ( a cure)
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