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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Friendly chap with huge kickstart foot required!
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<blockquote data-quote="Martyn Goodwin" data-source="post: 32021" data-attributes="member: 2433"><p>Phil,</p><p></p><p>A few things.</p><p></p><p>first - be aware that through over zealous use of the kick starter you WILL bend the kickstart lever and eventually it will make contact with the exhaust. You should be pushing it down and through- not jumping on it.</p><p>second - despite the temptation you should not start or try to start it while its on the rear stand - possible result may be broken rear wheel lugs on the RFM</p><p>Third - The ignition advance at the time of (attempting) starting is critical. If without any adavance at all it is at TDC or AFTER TDC then it will be almost impossible to kick start - but roll starting will work. Conversely if it is at 10 degrees or more BTDC then kick back through the kick starter is highly possible resulting at best in a sore foot and still no starting. It is my understanding that the sweet spot for starting (with the kick starter) is between 4 and 6 degrees BTDC.</p><p></p><p>This assumes you have checked the fuel, spark plug and valves - and have not made the mistake of setting the timing on the exhaust stroke (like I once tried to do!) The TDC you want is when both inlet and exhaust valves are firmly closed.</p><p></p><p>Martyn</p></blockquote><p></p>
[QUOTE="Martyn Goodwin, post: 32021, member: 2433"] Phil, A few things. first - be aware that through over zealous use of the kick starter you WILL bend the kickstart lever and eventually it will make contact with the exhaust. You should be pushing it down and through- not jumping on it. second - despite the temptation you should not start or try to start it while its on the rear stand - possible result may be broken rear wheel lugs on the RFM Third - The ignition advance at the time of (attempting) starting is critical. If without any adavance at all it is at TDC or AFTER TDC then it will be almost impossible to kick start - but roll starting will work. Conversely if it is at 10 degrees or more BTDC then kick back through the kick starter is highly possible resulting at best in a sore foot and still no starting. It is my understanding that the sweet spot for starting (with the kick starter) is between 4 and 6 degrees BTDC. This assumes you have checked the fuel, spark plug and valves - and have not made the mistake of setting the timing on the exhaust stroke (like I once tried to do!) The TDC you want is when both inlet and exhaust valves are firmly closed. Martyn [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Friendly chap with huge kickstart foot required!
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