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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Grosset Starter Motor
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<blockquote data-quote="greg brillus" data-source="post: 96728" data-attributes="member: 597"><p>I've had two instances with these kits installed where the starter engaged itself whilst riding, the only visible clue was the ammeter was going near off the dial. After I got home from a short ride around the block the battery was red hot, I mean..... really hot. I put the bike up in its center stand and when I moved the handlebars the starter began turning the engine over by itself. I quickly worked out that it was the button on the bars at fault. Apart from replacing the button with a better one, no harm was done. On the second bike, I had a suspicion that the same had happened but this time it did some damage. The small pinions that support the small transfer gears in the alloy drop housing that Eddy mentioned had seized to the gear and spun the pinion shaft in the alloy housing...........This kit had only just been installed by someone else, so it was all like new. To repair the housing and make a new special pinion cost about 150 to 200 pounds. I feel this happened because the starter had been engaged without the owner knowing, and the pinion and its gear could not handle that constant use/abuse. I always use top quality buttons for the starter on these now, and I strongly recommend some form of isolation switch to kill the system. Wouldn't be fun watching your bike propel forward off its stand if some young 5 year old wonders what the shinny red button on the bars is for.................<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite9" alt=":eek:" title="Eek! :eek:" loading="lazy" data-shortname=":eek:" />.</p></blockquote><p></p>
[QUOTE="greg brillus, post: 96728, member: 597"] I've had two instances with these kits installed where the starter engaged itself whilst riding, the only visible clue was the ammeter was going near off the dial. After I got home from a short ride around the block the battery was red hot, I mean..... really hot. I put the bike up in its center stand and when I moved the handlebars the starter began turning the engine over by itself. I quickly worked out that it was the button on the bars at fault. Apart from replacing the button with a better one, no harm was done. On the second bike, I had a suspicion that the same had happened but this time it did some damage. The small pinions that support the small transfer gears in the alloy drop housing that Eddy mentioned had seized to the gear and spun the pinion shaft in the alloy housing...........This kit had only just been installed by someone else, so it was all like new. To repair the housing and make a new special pinion cost about 150 to 200 pounds. I feel this happened because the starter had been engaged without the owner knowing, and the pinion and its gear could not handle that constant use/abuse. I always use top quality buttons for the starter on these now, and I strongly recommend some form of isolation switch to kill the system. Wouldn't be fun watching your bike propel forward off its stand if some young 5 year old wonders what the shinny red button on the bars is for.................:eek:. [/QUOTE]
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Forums: Public Access
Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Grosset Starter Motor
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