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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
push rod tube seals........
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<blockquote data-quote="1660bob" data-source="post: 39178" data-attributes="member: 366"><p>My Shadow motor is coming together nicely now.I am contemplating barrel and head fitment,and the pushrod tubes are being replaced with a set of Maughans solid turned stainless items.Very nice too-substantial.</p><p></p><p>What is the accepted wisdom as regards seals? I have the standard items ET123 upper and ET104 lower.</p><p></p><p>Certainly, the upper seal seems OK, and with the rigidity/quality of the new tubes,only one washer atop the flange seems sufficient-is there any need for a second one under the flange on top of the nut (or room-given the thickness of the Spares Co. ET123`s)? </p><p>Perhaps more importantly, the bottom seal ET104, it seems, cannot be removed without lifting the head? Thus, I want to get this one right first time- the standard hydraulic type seal seems to fit OK, but I have heard mutterings that a tight O`ring is better......which works best? All advice greatly appreciated, Regards, Bob.</p></blockquote><p></p>
[QUOTE="1660bob, post: 39178, member: 366"] My Shadow motor is coming together nicely now.I am contemplating barrel and head fitment,and the pushrod tubes are being replaced with a set of Maughans solid turned stainless items.Very nice too-substantial. What is the accepted wisdom as regards seals? I have the standard items ET123 upper and ET104 lower. Certainly, the upper seal seems OK, and with the rigidity/quality of the new tubes,only one washer atop the flange seems sufficient-is there any need for a second one under the flange on top of the nut (or room-given the thickness of the Spares Co. ET123`s)? Perhaps more importantly, the bottom seal ET104, it seems, cannot be removed without lifting the head? Thus, I want to get this one right first time- the standard hydraulic type seal seems to fit OK, but I have heard mutterings that a tight O`ring is better......which works best? All advice greatly appreciated, Regards, Bob. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
push rod tube seals........
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