5th gear replacement - first reportPatrick,
You are just too much ......... your an animal !! OK .. I have a
couple of questions ....
Did the Royal Star gears go into the transmission without
modification.
I realize that 5th is now a "big" overdrive but that was the whole
idea ... is it "that" much of a problem to simply downshift when
things get serious ?? I noted your comment ... "when you need 5th for
racing there is too big a gap" ....... Patrick .. Patrick .. Patrick
.. what are you doing ??!? You are going to jail ... even with the
"lower 9/33 rearend" you can do over 130 MPH in 4th .. approx 215 KMH
...
I have to do the math with the speeds you posted but I assume your
bike, being Euro spec is running the "higher" rear end gears anyhow,
(10/33 ring and pinion set as opposed 9/33).
Do you think this increased your cruising range sufficently to make it
worth the trouble ?? (when you can keep your fist out of it ??)
At any rate ... absoutely fantastic ..... thanks for putting this to
the test ..... Wow !!
campbell
>>>>
----- Original Message -----
From: [EMAIL PROTECTED]
Subject: 5th gear replacement - first report
Hi all,
I mentioned a few weeks ago that I was experimenting with the gears
from my Vmax.
Last week I was on a holiday trip to the Vosges (Vogezen) in France
with 15 friends in total.
A good place to try out some of the settings of the bike. Perfect
roads, not much traffic and some friends with bikes that perform well.
(Honda VTR1000-SP1, Yamaha R1 and a tuned Ducati M900)
The gears shift ok, rpm dropped to about 5100 at 150km/h.
Ideal for long trips, it saves fuel which is quite expensive here in
the Netherlands (f2,71 per liter!!)
The bike pulls less than before, but this is obvious. On the highway
it's ok.
Top speed is about 260km/h (8000rpm) at the moment. This is not ok
yet. The top end of the bike is not optimal yet. I am working on this
this week. Although with this setup the bike will not reach the red
line on the tach. In theory this would be 300km/h...
It was not setup for top speed, but for 5th gear highway cruising at
120-150km/h
While driving (racing!!) up and down the curved roads the gap between
4th and 5th is quite large. Flat out in 4th uphill and than shifting
to 5th is no good. The 5th is clearly an overdrive.
Conclusion:
For long trips and high cruising speeds (120-160km/h, Europe) and
"normal" driving this setup is ok.
When you plan to use the bike for racing and you need the 5th, the gap
between 4 and 5th is too big.
I think for a very strong engine (1500cc) this is a good setup, for
the standard bikes this will be overkill.
Also low cruising speeds will bog the engine too much.
Parts used:
gears: 4NK-17251-00 4NK-17151-00 (royal star)
Hindle 4-1 Carbon stealth
Stage 7 kit
Dymag 17" rims
Bridgestone tyres: 170/60-17 (BT57) and 120/60-17 (BT56) I can sure
recommend these for grip! It cost me the footpegs and the lower
fairing of my bike...
Ciao,
Patrick Kuyper
Vmax Club Holland
The Netherlands
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