929 hard shifting @ high engine speed - Honda Motorcycles - FireBlades.org
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post #1 of 5 Old 10-16-2006, 12:33 PM Thread Starter
 
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929 hard shifting @ high engine speed

I have a 2001 929 which I take to the track quite often. Currently I cannot shift into fifth at high engine speeds, 9000 - 11000 rpm. Usually I can make the shift on the first lap but not thereafter. I have double and thriple checked the clutch and shifter linkage adjustments. I use Castrol Actevo 10W-40 engine oil (synthetic). I normally shift clutchless, but I have tried using the clutch for forth and fifth gear changes with no success. Second thru third work just fine either way. If anyone has encounter a simialr problem I would appreciate any and all feedback.

As a matter of interest I have no problem shifting on the street using lower engine speeds.

TIA

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post #2 of 5 Old 10-17-2006, 10:26 AM
 
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Re: 929 hard shifting @ high engine speed

sounds like the exact polar opposite of every other tranny i've read about on this site. worn shifter dogs, etc..? maybe the effects of power shifting?
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post #3 of 5 Old 10-17-2006, 11:45 AM
 
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Re: 929 hard shifting @ high engine speed

My mechanic who rides a Hyabus and is in our club swears that Synthetic oil breaks down to fast in our bikes because of the high RPM's that wer run. He insists on using
10-W40 any brand but Castrol because they use recycled oil and it breaks down faster. Maybe the oil is your problem. I don't know, I am not a mechanic but I have had really good performence with my 01 929 RR with Valvoline 10W40. GOOD LUCK.....
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post #4 of 5 Old 10-17-2006, 11:46 AM Thread Starter
 
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Re: 929 hard shifting @ high engine speed

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Originally Posted by flea954rr View Post
sounds like the exact polar opposite of every other tranny i've read about on this site. worn shifter dogs, etc..? maybe the effects of power shifting?
Worn shifter dogs, etc usually result in partial engagement, neutral or missed shift. In my case the linkage does not want to move. It's like pulling up on a large rock.
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post #5 of 5 Old 10-17-2006, 11:58 AM Thread Starter
 
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Re: 929 hard shifting @ high engine speed

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Originally Posted by Chia View Post
My mechanic who rides a Hyabus and is in our club swears that Synthetic oil breaks down to fast in our bikes because of the high RPM's that wer run. He insists on using
10-W40 any brand but Castrol because they use recycled oil and it breaks down faster. Maybe the oil is your problem. I don't know, I am not a mechanic but I have had really good performence with my 01 929 RR with Valvoline 10W40. GOOD LUCK.....
That is exactly what I have been thinking, the oil did it, but I have not been able to gather any factual info on the subject. I have even talked to a few racing clutch manufacturers who indicate sythetic is ok. However my thought process was more along the line of too much windage drag, which in turn tends to "lock" up the clutch plates. Either way it would be easy enough to try a conventional oil. Thanks for the info

RLT
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