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to Patrick Ho of Performance Concepts of Pinole (his BARF name is Nairebis). Funny how things come full circle...Patrick was one of the first people I met up at the Wall way back in the early 90's. I lost touch with him until Gixxergirl1000 re-introduced me to him when I mentioned that the K6 needed a TB synch. That led to a valve clearance adjustment a few weeks later, and then troubleshooting a minor fueling issue (Power Commander). This past weekend I stopped by and together we did the Clutch Mod, which has resulted in noticeably smoother engagement and shifting. What I find interesting is 1) Patrick explains what he's doing as he goes along in a concise, easy-to-understand manner - he doesn't talk down to you, and 2) he has a terrific sense of attention to detail. He didn't have to clean up the wear marks from the clutch springs on the center piece; he didn't have to de-burr both the original and newly-drilled oil holes in the rear of the clutch basket; he didn't have to chuck the clutch pushrod in his lathe and polish it...but he did. Nothing more I'd like to do more than get hold of a spare engine and let him have at it! But the trackbike definitely gets dropped off next month for a going-through.
I agree. Patrick is wonderful. Very friendly, very generous too.
I met him because of Craig Hightower. Had communicated with Craig via another forum but never met him in person. After he was killed, I read his Backroads Boogie. He mentioned Patrick as being an awesome bike mechanic. A few days later I rode my DRZ over to Patrick's and he worked on my bike. He's worked on both of my bikes. One night, when my DRZ conked out on me a few minutes after leaving his garage, I called him and he drove over, walked my bike up on the ramp into his pickup's bed, drove us back to his place, and then diagnosed and fixed the problem.
It looks like the concept of the modification is to drill additional oil galleys in the base of the clutch basket to improve the flow of oil into the clutch plates themselves?
Correct. The friction plates in the 2005 and 2006 1000's tended to run a little on the dry side. Evidently, Suzuki saw the light because all six oil holes in the 2007 & 2008 models are drilled.