So i bought my bike bout 3 weeks ago and love it.  When I got it the thing ran like a gem.  It had 9600 miles on it.  The last owner was an a/p mechanic so he put a dyno jet kit on it and a new hd muffler.  I do not know anything bout bikes so whatever great.  He also said that he had installed new breaks on it.  I took it on about a 200 mile round trip tour ouch on me booty.  After that ride it has been puttering when i give it gas, there is a weird sound coming from the back wheel area that sounds like a wheel that needs to be greased you know and it usually happens when I start to give it gas not like when I am coasting but while i throttle up and change gears.  The breaks are starting to sound ruff as well.  So there you go several problems in one.  I am the guy that posted the oil leak from underneath the kickstand and you all were great about replying to that thanks.  I am working on getting some pics of where it is coming from.  Anyone know of a book I could buy that would be like a schematic of my engine.  That way I could learn about it and not have to bug you all.

Thanks

So far as the brakes feeling wrong, I assume you're talking about the front brake.  I'd check the brake pads and see what they look like, as well as the disc and look at the fluid level.  Squeaking from the back could be the belt squeaking and it may be in need of adjustment.  In any case, I highly recommend you get a manual.  The Clymers is available on Amazon.com and other online bookstores, and often eBay.  It does have some problems and folks here have tried to point them out, where known, in a thread in the Tech Ref forum.  The Clymers is geared toward the novice mechanic.  The Suzuki Service manual is more complete and not prone as to errors.  I like having both but will always default to the SSM in the event of a conflict.