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6 speed transmission project ...
Written by yankeesmuggler on 5/10/2012 at 03:08 pm

I would not know what to do with a 6th speed. I used to have 6 on my
Kawasaki Concours and I was always shifting and no matter where I
stopped there always seemed to be one more gear to go. What a PITA!

Tim Davies
Seneca Falls, NY
Yankee Smuggler II 1998 (150,000+ mi)

IPCRC #4
AMA #688662

"The ride is the objective, the destination is the excuse!"

On May 9, 2012, at 10:30 PM, Jerry 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
>
>