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Low exhaust port timing such as a 61x cylinder. The 62t exhaust port height IA about 1mm taller than the 61x cylinder so the bottom end isn't as good.

I bet you would love a 62t/62t ported setup with dual 44s. Very linear power from idle to max rpm my setup is very linear. Which chamber are you running? Limited or mod? Limited is gonna make more power on the bottom than the mod. Definitely try playing with the water screws they do make a...

For another 20 bucks with the sale going on you could get the ovp steering for max control

I'd be hard pressed to trust anyone on disgracebook these days haha.

I cut my tray open to inspect the lines on mine. When sealed it up instead of using foam, I used 4 layers of 2 inch glass tape and made some strips that I riveted under the tray that I could lay the piece I cut out to glue back in and laid some glass over the entire tray to reinforce it so I...

I use some assembly goo on the o rings on the Ada heads to help them seal up properly.

You'll need to block off the carb holes and exhaust manifold exit. I typically use expandable rubber freeze plugs then use a popoff gauge connected to the pulse fitting and pump the engine up to 8-10psi for 20-30 minutes. Also, i unbolt the carbs from the speed plate of you have one so you can...

Yes

I'd say do a leak test and see if you have a an air leak somewhere

Unless you have a leaking o ring on the lower compression cylinder, the only way to really fix it is a fresh bore with new pistons and rings. Maybe fresh rings might do it but need to measure clearance on the rings. Did you do a leakdown test as well?

To not have chine walk I'd definitely mount them off of the lip a little. 1/2 is a good measurement. Also placement lengthwise might play a part in this as well. I'd also like to know which tubbies will work aside have the same ski.

Wouldn't hurt to bore the headpipe and manifold to 49-50mm if your engine is ported. Might see a little gain with the 701 chamber but no need to pay top dollar for one. The 2 screw headpipe has a 3rd bleed hole at the bottom that I'd recommend plugging so you can use the top and middle screws to...

Motorboat is what you do to a nice set of tiddies, you're thinking of a runabout

Technically they are "impellers" not "props".. same with these are "engines" not "motors". Motors are electric haha

You'll have to make brackets to move the chin pad forward from where it bolts up and extend the tongue on the front. I made my own chinpad to work with my rrp pole which bolts up like the stock chinpad.

Yes however you will have to modify the chin pad to clear

My rockered -4 superjet had a super short pole and I just side mounted it to get back on. Turn ski on its side with carbs up, turn bars to the right,start engine, put knee in the tray and give a little throttle and you pop right back up. Much less fatigue than trying to board the Ski the...

After trying the ovp system I'll never run anything else on any ski ever. 10/10 best steering system around.

https://www.x-h2o.com/threads/nc-phantom-8500.206610/ this is a better riding, more capable ski for the money if you want to flatwater flip. The phantom is like an upgraded backie chan that is better built.

Understandable. I was referring to reinforcing the entire mount area on both sides up to the top and feathering out several inches all the way around. That said, I just laid cloth on the entire bottom on my freak when I reinforced the engine bay on it. You have more experience with gluing in...