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About Mark Shively
Expertise
Friends, I will be ending my services with AllExperts effective the first week of June, 2007. It's been a pleasure the past few years corresponding with the many of you. Respectfully, Mark Shively (Dayton, Ohio) "yamtz750@gmail.com"

Experience

Graduate of the American Motorcycle Institute (AMI class 172), multi-factory trained technician, 7 years experience dealership technician & service manager, professional roadracing team technician. Court certified expert in area of motorcycle technology. State certified crash investigator. State certified commercial vehicle crash investigator. State certified forensics/evidence technician. State certified instructor; community college instructor. Privately servicing street motorcycles & ATV's, accident reconstructionists, and dealership turn-aways. I am not available as an expert witness.

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Motorcycle Repair - rf600 engine rattle-knock

Expert: Mark Shively - 9/30/2006

Question
Hi Mark, i have a 95 rf600 which has a rattle/knock from the clutch side of the engine below 1200rpm. at its worst it sounds like a conrod loose on crank but if you stethescope for the noise it is further back towards the clutchbasket and or starter alternator transfer gears. i bought a second hand engine as a cheaper repair - turns out to be the same. is there any known reason for this knock. the engine has done 23000 miles. runs fine just sounds awful at tick over or standing. sometimes the noise is loud, other times you don't notice it. i have stripped the second engine lower casings gears clutch etc. cant see anything worn or broken. could it be caused by low engine speed rattling the transfer gears as they mesh. there appears to be a damper built into the transfer gear assembly it seems secure enough.
any ideas?

Answer
Hi John,

I cannot hear the noise to diagnose the problem accurately. I don't know of any common nosies within the GSX family of engines as you've described.

Respectfully,
Mark Shively

Here's a few related links:

http://www.banditalley.com/

http://www.katanacentral.co.uk/

http://www.katriders.com/

http://oldskoolsuzuki.info/index.htm?patrick/downloads/manuals.htm~main

http://www.gofastvideo.com/gallery/item/predownload/480/1/free-racing-videos/suz...

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