Christof13T
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SuzukiSavage.com Rocks!
Posts: 211
Vicoria, Texas
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So a deal on a pretty clean 06 ls650 with 3700 or so miles on the clock fell in my lap. It had been purchased 2nd or 3rd hand about a year ago, tinkered with just enough to get it running... then ridden about 30 miles and parked. It sat in the weather untouched until I drained the varnish out of the fuel bowl and tank. I gave it some fresh fuel, set the petcock to prime till fuel ran out of the airbox. It fired up, to my amazement; immediately. I was able to ride it home (about 10 miles) with no problems per se` at cruising speeds, but it wanted to die trying to idle.
A little bit about me... I'm a very seasoned mechanic, machinist, welder, blacksmith, and most recently taken up my hand as a beekeeper. I have pretty much all the tools and equipment in my garage to repair, rebuild, modify, or fabricate anything the mad scientist living behind my eyelids needs to set the robot apocalypse in motion. I have plenty of experience with most assortments and configurations of internal combustion contraptions. The softest spot in my charcoal heart is for diesel, but I enjoy the intricacies of these small air cooled jobbers almost as much. My forte` is diagnostic and forensic mechanics. I do so enjoy identifying and solving the root cause of a mechanical failure.
Back to the bike.
It has for certain been laid down on both sides in its life. Minor dings and scrapes, busted foot pegs. The turn signal posts all the way around need replacements. Clear coat on the fenders is pretty badly oxidized. Chrome is not in too bad of shape. Some light oxidation on the aluminum all the way around.
The good... Everything seems to work ok. It pulls like a freight train. Fairly decent mileage so far at 42mpg. Absolute top speed of 84mph so I cant get too stupid on it. Only 3700 miles on it when I rode it home.
So far I have pulled the carb and cleaned the jets... That cured my idle issues. I have 4150 miles on the clock now and getting pretty comfortable with it. On Saturday, I went for about a 100 mile ride and issues arose.
I was pushing it a little hard against about a 10mph wind for about 30 miles. I started to hear what sounded like a shroud rattling that soon progressed to correlate with rolling on throttle. First thought was exhaust leak at head due to overheat so I backed off of it and let the needle fall to 65mpg. Immediately started hearing double exhaust report. Echoing exhaust pops from the tailpipe, and the head. Shortly after it lost power and started to die like it was running out of fuel. Switched it to reserve on a whim and it slowly picked back up. When it reached what felt like full strength about 20 seconds later I switched it back to "on" and gently cruised the last 3 miles or so into the next town. Stopped at a gas pump and topped off and let it cool down for a few. It developed a tick on the left side. The exhaust wierdness seems to have subsided but the tick persists. Oil looks good and feels unbroken.
From what I have already read.... Im looking at a problem tensioner, a loose flywheel nut, or valve lash adjustment... That about the stone skinny of it?
It still pulls like a freight train, No smoke, No abnormal backfiring... Exhaust is pretty much solid blue to the shroud, then a blue patch after the shroud on the tailpipe.
I'll be happy to fill in any blanks I may have overlooked.
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