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Hi,
...........Possible Wet Sumping?????..........
Have you checked your oil level, and if this is low then it may have drained down into the sump? (Don't top it up!!!!) The engine works on a dry sump system where the oil is normally held in the (higher) oil tank. If your bike is left for a few days/couple of days, it could have drained down into the sump, and this oil stops the crankshaft turning as freely as it should - i.e. the excess oil in the sump creates alot of drag.
One solution is to drain it out of the sump and pour it back into the oil tank - e.g. through a "stocking/tights".
Another solution (which I use, as I cannot get to the drain plug easily without taking the exhaust system off) is to remove the spark plugs and (without the ignition & fuel on) kick the engine over almost 100 times. Removing the spark plugs takes away the compression resistance, and the sump's scavenger oil pump will send the excess oil back up to the oil tank.
Normally my bike starts first time after this, providing the carbs are fully primed.
I would not worry about having a magneto, a number of riders would prefer to have them. In basic terms they combine the ignition/points, coil and dynamo into one unit, and the dynamo part generates enough spark, that you don't need a battery (the battery is only for the lights).
You may like to check your oil level to see if it has wet sumped? Do let us know.
Ciao,
Geoff
:wink:
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