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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Rapide Rocker Feed
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<blockquote data-quote="Marcus Bowden" data-source="post: 117538" data-attributes="member: 3287"><p>Certainly, John my handsome, look at the photos below, there is in behind the fly wheels a catchment area for the main oil p/p to scavenge from, you can either build a small dam in front of the scavenge port OR bang a tube into the port so that the oil level rises. I did the latter as can be seen in first photo. It is a blind aluminium tube with a hole up at the blind end creating a wear ({ I think mine has fallen out as last year I had done about fifty miles stopped at a friends house leaving the engine running collected a parcel returning to find the oil tank over flowing !??)} so the suction pipe for the Honda p/p has a resivoir to draw from. The pipe is clipped tightly to the crankcase wall and into the timing chest and a flexable pipe run up behind the large idler and siversoldered into the steel casing that holds a bearing to support the p/p. Discharge from p/p is lead up to the inlet camfollower spindle with with a shallow banjo and a spigoted nut so oil is fed into spindle and back out into the oil gallery. The cams must have a oil hole at the base of the opening ramp. I fit two oil light bushes at cam lobe end as one bush does not reach the outboard cam lobe. The cam spindle must have the oil holes in it to line up with the cam lobe holes. Beware as not all manufactrues do them the same. Then when fitting the spindles position the upwards equal distance between push rod tubes, the lower photo shows that these spindles were not the best made ones as only a single hole by the cam lobes but easy to modifie by grinding through the case hardening and drill through into the centre. then grind anti-clockwise from the hole so oil pressure can start flowing through the cam so it has a copious supply under the follower when it come to it. </p><p></p><p> </p><p>[ATTACH=full]32716[/ATTACH]</p><p></p><p></p><p>[ATTACH=full]32715[/ATTACH]</p><p></p><p>top one is wrongly made, 2nd is modified ready to fit 3rd, exracted with slide hammer</p><p>after welding on a stud as the spindle end & nut fell off when removing the cover.</p><p>4th is correctly made</p><p>[ATTACH=full]32718[/ATTACH]</p></blockquote><p></p>
[QUOTE="Marcus Bowden, post: 117538, member: 3287"] Certainly, John my handsome, look at the photos below, there is in behind the fly wheels a catchment area for the main oil p/p to scavenge from, you can either build a small dam in front of the scavenge port OR bang a tube into the port so that the oil level rises. I did the latter as can be seen in first photo. It is a blind aluminium tube with a hole up at the blind end creating a wear ({ I think mine has fallen out as last year I had done about fifty miles stopped at a friends house leaving the engine running collected a parcel returning to find the oil tank over flowing !??)} so the suction pipe for the Honda p/p has a resivoir to draw from. The pipe is clipped tightly to the crankcase wall and into the timing chest and a flexable pipe run up behind the large idler and siversoldered into the steel casing that holds a bearing to support the p/p. Discharge from p/p is lead up to the inlet camfollower spindle with with a shallow banjo and a spigoted nut so oil is fed into spindle and back out into the oil gallery. The cams must have a oil hole at the base of the opening ramp. I fit two oil light bushes at cam lobe end as one bush does not reach the outboard cam lobe. The cam spindle must have the oil holes in it to line up with the cam lobe holes. Beware as not all manufactrues do them the same. Then when fitting the spindles position the upwards equal distance between push rod tubes, the lower photo shows that these spindles were not the best made ones as only a single hole by the cam lobes but easy to modifie by grinding through the case hardening and drill through into the centre. then grind anti-clockwise from the hole so oil pressure can start flowing through the cam so it has a copious supply under the follower when it come to it. [ATTACH type="full"]32716[/ATTACH] [ATTACH type="full"]32715[/ATTACH] top one is wrongly made, 2nd is modified ready to fit 3rd, exracted with slide hammer after welding on a stud as the spindle end & nut fell off when removing the cover. 4th is correctly made [ATTACH type="full"]32718[/ATTACH] [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
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