WEIGHT:
I just checked the front of my Kawasaki Repair Manual. It says the original KZ400 (mine was the 440) weighed 375 lbs.
I weighed the cycle when I had the small batteries in it and it was 400 lbs. I am really supprised that an Etek and 3 18AH SLAs weigh more than the engine, transmission, and mufflers of the original.
The specs on the Optima Yellow Tops say 43 lbs each. I think the original small batteries all together weighed a little more than one yellowtop. I am guessing that the bike currently weighs around 475, which would put it exactly 100 lbs over original stock weight.
The manual also says the fuel tank held 17 liters (including reserve). If gas weighs 6.25 lbs/gallon more or less, then a full tank of gas weighs about 28 lbs.
The weight of the batteries is LOWER than the original gas tank and even with where the engine and transmission were. Center of balance seems pretty good.
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