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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Burman Drive Sprocket Loose
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<blockquote data-quote="Martyn Goodwin" data-source="post: 113050" data-attributes="member: 2433"><p>Thanks for all the info and guidance. I have ordered a replacement PR50-15BA (thou second hand) driving gear from Draganfly and I already have a new sprocket PR50-22A on hand along with a new lock washer.</p><p></p><p>The photo below is of the existing disaster and having rechecked - twice - I can confirm that the securing nut was not thread bound but was firmly secured and tight against he face of the sprocket. Extent of damage to the gear also confirms this. FYI you can just see the end of the spacer PR50-23BA protruding from the seal.</p><p></p><p>Checking the NEW sprocket, the spline length is 3/8 inch, that is also the clamp thickness so as the ruler shows the nut does not get anywhere near the end of the thread.</p><p></p><p>So now its a case of strip the box and wait for bits to arrive. When they do I will be VERY carefully checking for fit. </p><p></p><p>M</p><p></p><p>[ATTACH=full]30161[/ATTACH]</p></blockquote><p></p>
[QUOTE="Martyn Goodwin, post: 113050, member: 2433"] Thanks for all the info and guidance. I have ordered a replacement PR50-15BA (thou second hand) driving gear from Draganfly and I already have a new sprocket PR50-22A on hand along with a new lock washer. The photo below is of the existing disaster and having rechecked - twice - I can confirm that the securing nut was not thread bound but was firmly secured and tight against he face of the sprocket. Extent of damage to the gear also confirms this. FYI you can just see the end of the spacer PR50-23BA protruding from the seal. Checking the NEW sprocket, the spline length is 3/8 inch, that is also the clamp thickness so as the ruler shows the nut does not get anywhere near the end of the thread. So now its a case of strip the box and wait for bits to arrive. When they do I will be VERY carefully checking for fit. M [ATTACH type="full"]30161[/ATTACH] [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Burman Drive Sprocket Loose
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