Quote Originally Posted by the otha tri-z View Post
Thanks for those pics of the motor. I find it interesting that a second port wasn't created. I wonder why Klemm didn't go that route? Everything I have read about adding that second port to the Z has been a good upgrade for power.
I left all the power mod descisons to Harry. Even kept the porting to a mild roar. I think 3wheeldrive is correct in that it makes the cylinder prone to cracking. I am sure that 80mm bore and 40mm carb will be a great upgrade for power