1993 Yamaha waveblaster 760

[GageAnderson4]

Hello, I am having trouble tuning my wave blaster 760. It has a factory limited pipe, protec head at 170 psi. Dual 44mm carbs with stock air filter with 2 screens removed. Solas 14.5-18. Located in Northern California. 50 feet above sea level. Freshly rebuilt carbs I am just not sure what jets or pop off to run. Worked well with stock exhaust just can’t get it right with this factory pipe. Thank you!

 

[bored&stroked]

pop off won't change from exhaust.
Up the main jet 1 size and go from there. Thats what FP says for the pipe on a 701.

 

[sturat]

from FPP

Main jet :130 on front (Mag) carb, 132.5 on rear (PTO)carb
Pilot Jet :115
High speed screw :½ turn out from closed on front(Mag) carb, 3/4 turns out on rear (PTO)carb
Low speed screw : 1-1/2 turns out from closed
Needle & Seat : (stock)
Spring : (stock)
Timing:25 degrees at 3000 rpm

 

[GageAnderson4]

Thank you