My CB750F1 crunches when going from neutral into first gear at idle. It seems somewhat a common problem, so sometimes I select first, pull in the clutch and start the engine afterwards. On a friend's F1, with first already selected and clutch engaged, engine can be started both by electric start and by kickstart. However on mine, this is possible only by kickstart. If I press starter button, nothing happens. Engine starts by starter perfectly if the gearbox is in neutral. Does this model have an electric circuit which prevents electric starting whilst in gear or do I have a problem? Looking forward to your views. Thanks and regards, Joseph.