Thanks Kevin, for the information and I will get one of the extensions if you decide to make some.
Just an up date on the Stinger powerhead and some interesting findings.
No surprise with the 1975 stinger. It needs a complete 30 over rebuild.
I also have a 1973 Stinger 2 cowl and I always wanted to restore one of those motors.
Tim sold me a normal Johnson 1973 short shaft.
Tim had two boats I really like...a original Critchfield and an original Hydrostream Viper.
I always wanted to run a 90 hp Yamaha on a Viper and been talked out of it.
I searched the web to get more info on the 1973 Stinger 2 short shaft.
Seems the Stinger is the same motor in orange.
The surprise is the Evinrude..it is the same Johnson motor in colour with a two tone cowl.
I looks very nice and the switch is very easy.
So the Johnson motor will become an Evinrude.
A link leads me to this thread:
http://www.screamandfly.com/showthread. ... etic-RestoLots of pictures and information on a similar 1972 resto.
One post has a Viper racing in FE and running low 50's.....no too bad !!
Another post shows a Viper flipping in an FE race!
If a Viper can run 52 mph in early 70's with a big foot 65 at the crank hp motor. My Yamaha will run very well.