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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Fitting BT-H Magneto
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<blockquote data-quote="BigEd" data-source="post: 30371" data-attributes="member: 161"><p>Dear Kevin,</p><p>It is often difficult to diagnose problems when you have the bits in front of you never mind when are on the other side of the world.;-) I guess we are all thinking hard to help find a solution. Trying to be logical about things I've made a précis of some of the things that have been said and wonder if they can be used as a starting point to verify and check.</p><p> </p><p>Regarding gears not meshing fully you have said:</p><p> </p><p></p><ol> <li data-xf-list-type="ol">…. I have just checked my original mag in place and it has the same issue (hadn't noticed it when I first stripped down the very messy timing case) So this has me perturbed: </li> <li data-xf-list-type="ol">With the original mag and ATD, the gear sits too far into the case, .. </li> <li data-xf-list-type="ol">The new BTH and old ATD sits in roughly the same place, </li> <li data-xf-list-type="ol">The new BTH and new pinion assy sits in roughly the same place. </li> <li data-xf-list-type="ol">I just found a photo that I took of the timing case before I dismantled everything (it was a mess) and the angle is not good but it looks as though the original mag pinion did mesh so I must have stuffed something up?........ </li> </ol><p></p><p>So one step at a time:</p><p></p><p>In "1." above you said when you put the original mag back on you still has the misalignment issue. Was the original magneto back on with your original ATD?</p><p>In “5.” above it would appear that maybe the alignment was in order before you started. </p><p>Does putting all the original parts back result in correct alignment?</p></blockquote><p></p>
[QUOTE="BigEd, post: 30371, member: 161"] Dear Kevin, It is often difficult to diagnose problems when you have the bits in front of you never mind when are on the other side of the world.;-) I guess we are all thinking hard to help find a solution. Trying to be logical about things I've made a précis of some of the things that have been said and wonder if they can be used as a starting point to verify and check. Regarding gears not meshing fully you have said: [LIST=1] [*]…. I have just checked my original mag in place and it has the same issue (hadn't noticed it when I first stripped down the very messy timing case) So this has me perturbed: [*]With the original mag and ATD, the gear sits too far into the case, .. [*]The new BTH and old ATD sits in roughly the same place, [*]The new BTH and new pinion assy sits in roughly the same place. [*]I just found a photo that I took of the timing case before I dismantled everything (it was a mess) and the angle is not good but it looks as though the original mag pinion did mesh so I must have stuffed something up?........ [/LIST] So one step at a time: In "1." above you said when you put the original mag back on you still has the misalignment issue. Was the original magneto back on with your original ATD? In “5.” above it would appear that maybe the alignment was in order before you started. Does putting all the original parts back result in correct alignment? [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Fitting BT-H Magneto
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