It looks like we have the same bike, except mine is "raspberry and liquid silver". They really did a great job on the factory paint on these bikes. From about 100 yards away on a sunny day the red on mine literally glows in the sunlight.
$1000 is a great price for a bike that will last another 90,000 miles. I would not be surprised if the bike still has its original front tire.
I have been putting the Bridgestone OEM tires on mine. I get about 12 to 14k miles on the back tire, and twice as far on the front. I put the OEM Dunlop tires on it once, they are lighter and make the bike feel less stable (I could not ride with my hands off the grips with the OEM Dunlop tires, the 404s). Dunlop does make better tires, the Elite 3 and 4 tires are heavier and last longer.
You took a chance on a non running bike and it looks like it worked out well for you. When I got my royal star last month it was running very rough. I had never rode a V4 before, so I didnt know how it was suppose to run. I put a whole pint of Seafoam thru it 5 ounces at a time with each tank of new fuel (drained the old brown gas out like you did). I replaced the original air filter, which was grey, and when I went to replace the spark plugs they were only finger tight, all four of them.
The previous owner bought the bike 10 years ago with 22k on the odo, an he only put 2k miles on it over the ten years he had it. I got the royal star for $2500 and Im happy with the deal. After putting 1000 miles on it in the last month I have it running like new, and its just pure joy to ride. Sometimes you gotta take a chance on a used bike that is not 100%, in both our cases we did good.
Not sure if you are aware of this: consumer reports started rating used motorcycles a few years back, and the top rated MC for reliability went to Yamaha Vstar cruiser bikes, with the mid-sized bikes (650 to 1100) getting the best rating. These motorcycles are very well designed, the engineers really knew what they were doing. The 2nd from the bottom of the list was Harley Davidson, and the most unreliable bikes were BMW, mostly because they put so much new technology and features on the bike that something is always breaking.
There are no design issues with the 650 bikes. Change the oil every 4000 miles, filter every 8000. Check your drive shaft splines for proper 60% moly paste when you change your rear tire, and replace the final drive SAE80 lube oil, and you can expect to put gas in the bike, push the starter button every morning, and ride it till the odo reaches at least 100,000 miles. In my case it could last the rest of my life.
The other normal maintenance will keep the bike running like new: plugs, air filter, lubing the cables and linkage points on the shift and rear brake. Flush your front brake out with a new bottle of Dot 4 every 3 or 4 years.
when you decide to put the bike up for the winter, get a tank full of ethanol free gas if you can and put 4 ounces of seafoam in the tank to stabilize the fuel (esp if there is any ethanol gas still in the tank). The seafoam will also stablilze 10% ethanol fuel if thats all you can get. Run the bike a couple miles to flush the seafoam thru the carbs and fuel pump.
The only cases I have seen of these engines being destroyed are from either having an oil leak (after adjusting the valves and not replacing the o ring on the cover or example) and letting the bike run out of oil and continuing to ride it, or mechanically red-lining the engine by down shifting into 2nd or 3rd by mistake at hi rpms and slamming the engine over the red line with the clutch.
Take care of it and it will last for decades.
BTW, did that motorcycle stand come with the bike?
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