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mine makes more power caus i bust his arss once we get moven.140 mag v.s a 144. also. i dont have an aluminum flywheel. kind of hurts the low end.

his ski hits like crazy. more low end then my motor. he also has a 144 mag pump with a smaller prop then me. i have tried just about every carb combo. novi 48's,46's, normal 44's . the blacjacks work the best for me so far. with the novis i had no low end but it went like a mother up top. no...

we got more!!!

i have seen them a 85mm on a stock sleeve.

5mm mill stroker crank 85.5 mill flat top pistons. paul did my motor for me like 8 or 9 years ago. low end porting. ada head 175 psi. b-pipe. 140 12vein setback pump running a 12/19 prop. i bring gas out with me when we ride but i can get 2 hours with what the ski holds. i also went with an...

i get 2 hours run time and i have a 830 also. 46 blackjacks.

i just got it running (waiting to get a cdi) i still need to pull the motor to check and see how bad the cranks is. when i do that i will see how hard putting the yamaha in will be. it many take awile working on my b.o.b. right now.

at night thats sick!!!