Complex sentence: Weight was further reduced to 4.3 kg., dual shocks were simplified to single shock, universal shafts were also simplified to dog-bone type universals and the on-board starting system was abandoned for a handheld starting motor, which saved weight.
Split into simpler sentences: Weight was further reduced to 4.3 kg. Dual shocks were simplified to a single shock, universal shafts were also simplified to dog-bone type universals. On-board starting system was abandoned for handheld starting motor, which saved weight.