Slow is relative. if some ones badly tuned ski goes better than a much worse tuned ski then they are both slow but one feels fast.
44s are an awesome carb on what you have, but that jetting spec is off
You know that the curve changes the fuel requirements of an engine If you advance the timing you will make the ski run as if its lean and of course the opposite on an ignition with less timing in it. I normally just put the same curve on both 1 and 2 in case for some reason it changed curve.
The issue is 3d prints have air inside unless some one does a solid fill print Which hardly anyone does. Its never going to have the fatigue strength needed
If you use a dyno to tune or test a jetski you are putting it in unrealistic conditions. I will accept a 4 stroke turbo boat. But on a stand up freeride ski what are you trying to prove. The free ride engine spends more time in the air with an aerated pump. If you tie your ski to a trailer to...
how about the new fx1 chamber from wax racing products. The fx chamber has more power than the limited which is known to have more power than the mod
https://www.waxracingproducts.com/products/yamaha-chamber-fx1-superjet
if you have bought on a pre-buy you have already saved off the retail price as it is.
We cant then give more, but we will be doing a good price on the gaskets, bolts and coupler which are being made now
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