Info from Bikez.com

[spas]

here is links to information about 2001 and 2000 GS , one has 47 HP , the other one 34 , true or bull5h|7 ?http://www.bikez.com/bike/index.php?bike=361 - 2000
http://www.bikez.com/bike/index.php?bike=4357 - 2001

[JeepWrangler8]

what's up Spas?  I just noticed your from Chicago too... I live in south suburbs... I have owned my 1990 GS for 4 years now and love riding it... We should meet for a cruise some time... Let me know...

[Piper5177]

Look at the RPMs the measurement were taken at, there is a difference of  almost 2000 rpms.  The torque measured exactly the same.  I don't know what's up with the top speed though.  Each bike is a little bit different.  Two models from the same year can have very different dyno runs.