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Hard work pays off! In trying to burn through the first tank for break it's pretty obvious this thing is awesome already! Love the sound of the dry pipe haha. Did a few 15 minute laps under 1/2 throttle and would pull up to a shoreline and check stuff... never found anything wrong. Sofar...

Yea this was more just to get some pre-mix through the engine and into the bottom end, adjust idle speed and make sure nothing is leaking in the engine bay. I'll be going down to the lake this weekend and I'll keep an eye on midshaft temps then - or is it something not to really worry about?

Awesome. I'm a nervous wreck anytime I fire a new build up haha. Until the first crash/scratch that is - then it's WFO.

It's Alive! Without much fanfare it fired right up - no crazy runaway revs or anything. I primed the fuel lines by turning it over a few times and watching the fuel circulate until it went back through the return line into the tank. That said - I do hear a 'weird' vibration noise. The first...

Fuel is getting sucked into carbs, primer is working, sparks look sizzly - all systems are ready to go!... But its a little too late here to run it. I'll be able to give er the first bump tomorrow!

Mounting that pipe in the hull was every bit as hard as people say it is. There were no hand outs during today's bit of work on the ski. I ended up applying a ring of red rtv silicone on the engine coupler side to hopefully fill any small gaps. Didn't go crazy. The stinger side also threw me...

Good progress overall this weekend - engine is in, shimz are stacked, pipe is fitted. Now just need to give everything the final bolt up and torque down. Started the day out remaking a gasket I fubar'd After I got it cut out I put a little blue gasket compound on it and the other gasket to...

I wonder if transfer port injection (TPI) is a possible add on for 2 stroke engines like the 701? TPI is how KTM and Husqvarna are getting their 2 stroke dirt bikes homologated into the USA right now. Their using fuel injectors to shoot straight gas into the transfer port paths then using an oil...

I got a square peg and a square hole... should be pretty simple eh? Got the engine assembly started tonight. Trying to take my time with this so it's one and done!

Thanks both, I'll keep the stock screw dealy. #Reliability is the name of the game with this build if at all possible.

Very nice! What unit are you coming off of or is that your first AC/DC Tig setup? I'm looking to upgrade my 15yr old Asian inverter unit. It was on the bleeding edge of cheap imported all-in-one units and right now all that it can still do is basic AC tig, DC tig and Stick (Used to be able to...

When you're over budget you gotta get creative! Home fab'd ETX12 AGM batter holder. It ain't all that purdy but it should hold. I'm thinking maybe 2x notches at the bottom on each side that flair out to hold the OEM rubber straps now - sorta like the blowsion battery box. The benefit...

Momentum.... Well today was good. Got probably one of if not the most daunting tasks done... The pump. First off - I just gotta say this video was awesome. It's very similar to the method recommended by Watcon but the millennial in me loved the fact that it was a video. Things started out...

Some progress! I've switched my pipe I'm gonna use from the Riva Red to the Riva Freeride (similar to Type 4, Dry style). Began refurbing it and getting it ready for a new life on this ski. First I had to do a little welding to patch up a pin-hole leak near the stinger. The outer jacket was...

Cool I'll do an I.D. cross reference to see if that fit's the same size drill bit approx as a 110 main jet - if so I'll just leave it and braaap

I actually have both a red Flow control valve from jetworks (the spring and ball type) and a needle valve I was going to use. I Was thinking first just start with the needle valve to fine tune the flow into the stinger (with the jet removed) and the needle valve provides an easy to control...

Whats the condition of the underside like? If it's pretty good overall I'd offer $200 shipped.

Sounds good - Yea I think the factory/riva headers come with one tapped port stock - the other is a blank you can drill/tap sorta like the stock yami pump stators. I have both setup for 1/4" NPT now so I have some options. I think the micro touch you mentioned is sold in the parts-for-sale...

Alright this question was bound to come about. I've looked into a bunch of posts about dual cooling strategies and dry pipe cooling strategies. Seems there's two schools of thought when you combine dual cooling and a billet head: A) Keep all flow going into the engine via the two taps on the...

Well with the pedal literally to the metal, I dumped all 160 Amps that my tig welder had into this pipe. I'm not proud of it but the last time I welded aluminum it was with a bad ass liquid cooled Miller dynasty. Hopefully the stinger doesn't crack off before I can find a B pipe for under $1000...