A better explanation of the problem is needed.
"High rev in 6th gear" - "9500 rpm 132 klix" - is this meaning that your engine is doing 9500 rpm in 6th gear at indicated 132 km/h? The math does not compute (or there is a critical piece of information missing). With stock gearing that bike should be doing somewhere near, or a hair over, 4000 rpm per 100 km/h in 6th gear, i.e. around 5300 - 5500 rpm at 132 km/h. This is a lock-step arrangement due to the mechanical linkage inside the transmission. This means 4000 rpm per 100 km/h means 2000 rpm at 50 km/h, 6000 rpm at 150 km/h, etc.
Now, explain your discrepancy from this. I will give a number of suggestions for you to pick from. If the situation is different then explain it CLEARLY.
1. Engine revs are 9500 rpm in 6th gear at 132 km/h AT FULL THROTTLE but if you back out of the throttle and coast back through 132 km/h then the revs are in the above-mentioned 5200 - 5500 rpm range at that speed. If this is the case, then your clutch is slipping. Fix it.
2. Engine revs are 9500 rpm in 6th at 132 km/h, and around 10,500 rpm in 5th at 132 km/h, and near redline in 4th at 132 km/h (and the engine bounces off the rev limiter in 4th if an attempt is made to accelerate much beyond this), and this arrangement is independent of throttle position. If this is the case, someone has installed stupidly and insanely short gearing on the bike. Go back to stock gearing.
3. The tachometer indicates 9500 rpm in 6th at 132 km/h but there is no apparent adverse affect on the bike's performance, the tach indication is not consistent with the audible speed of the engine, and the bike otherwise operates normally. If this is the case, then your tachometer is whacked. Replace it.
Or something else.
Explain CLEARLY.
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