I'm not sure if I'm going to run them with the mods I'm doing to the engine I don't think they will be big enough but I'm just trying to get it to run right until I get all the parts to build my new engine u have answered many of my posts how big will I have to go on jets with the stock 80 motor.sorry I have this question on another post also I'm new to the forum just trying to get some response thanksYAMMIEGOD3:16 said:TAKE SMALL POWER JET OUT OF BOWL, THERE WILL BE KNOW DRAW TO IT THAN, BUT YOU MUST INCREASE MAIN JET SIZE ALOT. 3:16 (yammie tony)
Yes they are nothing but trouble those srxS are very trickey to tune I never have rod it were it was tuned good but it still flys tho just don't run good on bottom the motor I'm running is 100% stock right now but I got all the goods except heads to build the motor 1976 cylinders gears 102 c clutch Gita get aaen pipes 42 mm carbs and need good set of cut heads 1977 orYAMMIEGOD3:16 said:HARD TO SUGGEST JETTING WITH OUT ALL INFO THATS DONE TO YOUR MOTOR. I WILL OFFR THIS ADVISE TO YA, DO NOT RUN A POWER JET. NOTHING BUT TROUBLE. WHO EVER TOLD YA TO BLOCK IT WAS RIGHT. 3:16 (yammie tony)
Reimond said:Put small ballbearing ball into powerjet tube to block it. Just in case.
what size main do I run with the powerjet blockedYAMMIEGOD3:16 said:3:16 (YAMMIE TONY)
Yamaha Nutz said:there are alot of jetting specs out there i have a 78 with ported motor 76 pipes and 40mm carbs durign the summer i run 390's i will have the sled out for testing and let you know what i end up with for mains to give a starting point but i know it will be in the 450 for sure range
Ok thanks let me knowYamaha Nutz said:there are alot of jetting specs out there i have a 78 with ported motor 76 pipes and 40mm carbs durign the summer i run 390's i will have the sled out for testing and let you know what i end up with for mains to give a starting point but i know it will be in the 450 for sure range