Man your so lucky to get any riding in! My ski id still stuck up north with a broken manifold and carbs that were apparently tuned by the last guys 5...
Ouch 8.4!!!! it's a 5 gallon tank looking at 40 bucks just to ride.... ouch.... it cost's me 20 ever hour and a half haha. Love the hood looks great...
I just did my buddy's 550 and we just cut into it and chipped out the plastic till the holds fit. after riveting them in, we just stood the ski up on...
I don't believe the head is anything special on this motor. Its just a ADA head with 38cc domes. I believe stock head is 39cc, so you could run that....