I thought it was way too nose light with the 550 engine in it,I weighed it all out , the 650 engine with the stock exhaust and carb is 65.6 lbs, the 550 had a Westcoast exhaust,the Westcoast dual TL,and dual carbs.With all that jazz on it the 550 weighs 69.6 lbs.That weight is with a swiss...