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Aimo,
I have not tried it so I can't swear to it ... I am not currently aware of
anyone who has ... However ... the drive axle in the transmission is the same
part number for the Vmax and the Royal Star. The main axle in the transmission
is a different part number but the Royal has 16 teeth, (machined onto this
shaft), and I suspect this is the difference.
I haven't heard any of the "not able to cope" chatter about this
modification. The Royal Star makes the same torque at 4K RPM as a Vmax does at
6K, (the Venture engine makes more). The Royal Star weighs 100 lbs more than a
Vmax, (the Venture weighs more).
As you can see ... the drive axle in the transmission is the same part
number ... the middle gear set is exactly the same part number; the drive shaft
is a different part number but it is 1 1/2 inches longer than a Vmax; the rear
axle is the same part number and of course the rear end is the same unit but
with the 10 tooth pinion, (which I think comes on European Vmaxes anyhow .. and
of course the Royal/Venture has the hole drilled for the speed sensor ... that
somebody I know is going to use to drive his SPA combo tach/speedo).
There are differences of course ... like the clutch basket, (which has a
different number of teeth machined onto it and changes the primary drive ratio
.. and has to mate with the correct crank gear etc), but I don't think
durability is an issue here .... (the Royal/Venture has a five year warranty
period and it is bigger).
However .......... it would be cool to hear what Eiffelmax is offering ...
I am suggesting that if they are selling a 21/28 tooth gear set that they
might be selling Royal/Venture gears ......... Since they "have" done this
... it would be interesting to see what you could "squeeze" out of them ...
;>)
campbell
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Title: RE: Eiffelmax Germany - replacement 5th gear sets
