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6 speed transmission project ...
Written by wynndungey on 5/10/2012 at 01:38 pm

Interesting project. My first bike was a CJ360T Honda. Kick start, 5 speed
version of the CB360 engine. The transmission was virtually identical without
the 6th gearset. Think I counted a total of 5 parts to make the CJ a six speed.
Never got around to the project. Would have been interesting. Good luck

--- In ipcrc@yahoogroups.com, "glennschechter" <glennschechter@...> wrote:
>
> Anybody wanting to try what Jerry is doing, I have very good spare engine w/
9,001 miles for sale. I cant lift it by myself so you need to come and get it.
Its in Rock Hill SC. I want $600.00 for it and its alot cleaner then the one on
E-bay. Thank you, Glenn
>
> --- In ipcrc@yahoogroups.com, "Jerry" <sanae.ej@> wrote:
> >
> > So its taking forever to get the parts in, so I thought I'd get an early
start on the upcoming winter project - getting a 6 speed transmission into the
PC.
> >
> > Okay, technically, it is a 5 speed transmission with overdrive. Point is,
it is 6 forward speeds.
> >
> > The donor bike is a 86 VT700. From 1984-1987 this bike came with a 5 speed
+ OD transmission. The VT800 followed with only a 4 speed but was tuned for
more torque/HP and the 5+1 TX was deemed not necessary. Our PC800 followed in
89 and had a 5 speed TX. In my research of this engine line, I found many
common parts between the VT700/800/PC800 engines, not so much with the VT1100
because of the difference in power output. I then started looking at the price
of parts on ebay for the VT700/800 and found them to be surprisingly reasonable.
The 5+1 transmission cost $35 and included free shipping. I found an engine
case for the VT800 and VT700 for a little over $100, so I thought this was a
reasonable cost to try and see if this swap was doable. I have a spare PC800
engine.
> >
> > I will have to do a bit more research on other gearing changes it might make
sense to do as I will try to mod the engine a bit for a little more power. I
will have to map out the overall gearing ratios so I get a match so the new 5th
geat matches the PC5th gear giving me a true 6th or O/D gear.
> >
> > So, I will do play with this project a bit between parts delivery as I work
to get the PC rideable. I will finish the transmission swap on the spare engine
and once done, swap engines in the PC during the winter.
> >
> > :-)
> >
> > Jerry
> >
>