I recently purchased a 1997 Honda Shadow 400cc. It is in almost new condition with only 144 kms (90 miles). Obviously the bike has sat around doing nothing for 25 years. I would like recommendations on any items that might need attention on a bike of this age other then the obvious ones like, tires, battery, fluids. Also any upgrades that would benefit it for the engine, power train, suspension, electrical. I believe this is the NV400 model. It has chain drive. Thanks!