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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Oil change with anti sumping valve
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<blockquote data-quote="Monkeypants" data-source="post: 122529" data-attributes="member: 2708"><p>The 1360 has a new Maughans 2 start. It wet sumps in about 1 week. The Rapides here wet sump in about 2 months. 2 months is very tolerable, no antisump valve needed.</p><p>1 week is not tolerable. On checking around at the time, the rapid wetsumping was standard with new Maughans 2 start pumps. No sense in changing for another new 2 start and expecting a better result.</p><p>So I purchased a Conway's valve.</p><p>On inspecting it I decided not to use it. Hoping that valve will always open against the spring seemed just a little too risky.</p><p>Instead, I made up a manual valve with interlock. It is full flow 3/8 when open. The ignition key is needed to start the bike and it is stuck in the valve until such time as the valve is opened.</p><p>Changing oil is easy, just open the valve and proceed as with a standard Vincent.</p><p>Glen</p><p>[ATTACH=full]35585[/ATTACH][ATTACH=full]35587[/ATTACH]</p></blockquote><p></p>
[QUOTE="Monkeypants, post: 122529, member: 2708"] The 1360 has a new Maughans 2 start. It wet sumps in about 1 week. The Rapides here wet sump in about 2 months. 2 months is very tolerable, no antisump valve needed. 1 week is not tolerable. On checking around at the time, the rapid wetsumping was standard with new Maughans 2 start pumps. No sense in changing for another new 2 start and expecting a better result. So I purchased a Conway's valve. On inspecting it I decided not to use it. Hoping that valve will always open against the spring seemed just a little too risky. Instead, I made up a manual valve with interlock. It is full flow 3/8 when open. The ignition key is needed to start the bike and it is stuck in the valve until such time as the valve is opened. Changing oil is easy, just open the valve and proceed as with a standard Vincent. Glen [ATTACH type="full" alt="Screenshot_20200614-202520.png"]35585[/ATTACH][ATTACH type="full" alt="Screenshot_20200614-202511.png"]35587[/ATTACH] [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Oil change with anti sumping valve
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