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Old 01-08-2013, 09:19 AM   #1 (permalink)
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2001 ZR800 rpm?

Loving the 800 these days. Clutching seems good, no complaints at all. I do have one question regarding max rpm. What is the norm for this engine? Mine is at 7600. Is that right or does it need to go up a few hundred more? This is the carb with APV.
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Old 01-08-2013, 04:50 PM   #2 (permalink)
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7600 is right on! And the engagment should be about 3500!
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Old 01-08-2013, 05:30 PM   #3 (permalink)
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Great... Somebody set it up well. It engages at 42-4500. I just didn't know where the max was supposed to be. What I like is that when I cruise at 50-65mph, she's only taching 5500 or so. But if you hit it she just goes.

KC, can you help me with another one? I helped a buddy pick up a 2000 ZR700. I forgot what colors the clutch spring are but the secondary is a d&d set up. When I took that for a ride, it seemed to run well, but would be running 6000-7000 at 50 mph. It engaged at 4500 or more and would run to 7900 rpm. However, it just doesn't seem to have the snap a 700 should and would only max out 85-90mph. The feeling that I had was that the clutching left a lot on the table. I'm thinking the primary was weak, dirty, or not fully engaging. What do you think?
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Old 01-08-2013, 05:39 PM   #4 (permalink)
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Very possible! I had a 91 700 (same motor with twin pipes) and I felt it was a dog for a 700, I knew it wouldn't hold a candle to my 88 650! Compression was off a bit so I pulled it down and the reeds were gone!
But getting back to the cluytching, yeah clean them up, blow them out and start with a fresh belt. Put a carpenter square across the plugs to the secondary! If anything get the motor a tad forword of square on the clutch side! Then check your C/C (12.25") Then get the belt as tight as possible without squeeling. There are shims between the sheves of the secondary! Tighten the driven spring a coupla holes and or replace it! Should be a Green! Your final is a bit loww, that 700 could turn 8500-8800!
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