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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Ignition coils for Grosset set up
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<blockquote data-quote="vince998" data-source="post: 10486" data-attributes="member: 261"><p><strong>Dynas</strong></p><p></p><p></p><p></p><p>I´ve been running the green Dynas (3 ohm i think) on my D shadow for 8-9 years now. I´ve got 2 double coils (for twin plug heads) originally mounted under/on the top tube directly over the heads, now fitted side by side where the original horn was(insulation in the horn broke down so it had to go anyway. Amazing how quick you can get a tank off when you think the bikes going to go up in flames <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> . I had to grind some of the plastic of the sides to get them to fit under the tank originally, but apparantly without detriment.</p><p>To start off with, i was running a self made twin points distributor, but for the last 4-5 years i´ve had one(or more as the case may be) of francois units fitted, running a wasted spark system. The coils have had a really hard life in all weathers,above the heads, in front of the heads etc and i´ve never had a single problem with them.</p><p>I´ve had the electronic distributor fail a few times (think i´ve found the problem now, battery positive terminal shorting to earth intermittantly (maybe), time will tell), and after having the coils tested on various occasions, gave up blaming them.</p><p>After reading the comments in the forum, i´m now not sure if the coils are not to blame for the distributor breakdowns. I know the team Lord had similar problems and always carry a spare electronics end cap for the Francois system with them (as i do to).</p><p>Has anyboby else had similar problems, AND FOUND THE CAUSE? (i must have gone through 6-8 distributors up to now, and am feeling quite guilty as Francois always replaces the parts without quibble (and won´t accept a penny for his time or material), and i´m pretty sure Francois or his fine equipment is not to blame.</p><p>The dynamo is a Lucas E3L (12V) and i thought voltage peaks from this could have been causing the fault (three distributors broke down straight after/during hosing the bike down i.e. wouldn´t start again)</p><p>The distributor is wired directly to the battery (over a switch as instructed by Francois) although the power to the coils comes from the ignition switch(series "D" remenber) as coils only recieve earth over the distributor.</p><p>Can anyone help??</p></blockquote><p></p>
[QUOTE="vince998, post: 10486, member: 261"] [b]Dynas[/b] I´ve been running the green Dynas (3 ohm i think) on my D shadow for 8-9 years now. I´ve got 2 double coils (for twin plug heads) originally mounted under/on the top tube directly over the heads, now fitted side by side where the original horn was(insulation in the horn broke down so it had to go anyway. Amazing how quick you can get a tank off when you think the bikes going to go up in flames :-) . I had to grind some of the plastic of the sides to get them to fit under the tank originally, but apparantly without detriment. To start off with, i was running a self made twin points distributor, but for the last 4-5 years i´ve had one(or more as the case may be) of francois units fitted, running a wasted spark system. The coils have had a really hard life in all weathers,above the heads, in front of the heads etc and i´ve never had a single problem with them. I´ve had the electronic distributor fail a few times (think i´ve found the problem now, battery positive terminal shorting to earth intermittantly (maybe), time will tell), and after having the coils tested on various occasions, gave up blaming them. After reading the comments in the forum, i´m now not sure if the coils are not to blame for the distributor breakdowns. I know the team Lord had similar problems and always carry a spare electronics end cap for the Francois system with them (as i do to). Has anyboby else had similar problems, AND FOUND THE CAUSE? (i must have gone through 6-8 distributors up to now, and am feeling quite guilty as Francois always replaces the parts without quibble (and won´t accept a penny for his time or material), and i´m pretty sure Francois or his fine equipment is not to blame. The dynamo is a Lucas E3L (12V) and i thought voltage peaks from this could have been causing the fault (three distributors broke down straight after/during hosing the bike down i.e. wouldn´t start again) The distributor is wired directly to the battery (over a switch as instructed by Francois) although the power to the coils comes from the ignition switch(series "D" remenber) as coils only recieve earth over the distributor. Can anyone help?? [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Ignition coils for Grosset set up
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