how about a single carb intake? here is my trail bike setup. trail porting, 2 into 1 carb, toomey t5's. timing bumped up +5. noss head with 19cc domes. vforce 2 reeds, suspension is still pretty much stock. and you can play around with your gearing to get the power delivery that you want. you can also cut the shift star for smoother shifting.. here is a picture of my trail shee.