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If you’re running OEM 44s, the stock manifold will be fine. In fact, I’d rate it as the second-best manifold out there. All the work I used to put into modifying the OEM 44 manifold has already been built into our design—plus we’ve added a few extra improvements on top. I also prefer to machine...

Best way i know to blow up an engine is to over prop and make it build huge heat. Then you get to blame everything else as to why it blew up when in reality you were just trying to driver everywhere in top gear.

46 mikuni are the unsung hero. i used them on my 550 i raced at the worlds. The ski was fast and responded well. The rider not so much haha

How to Turn Your 701 62T Into a Real Mini Weapon Start with a stock Yamaha 701 62T. First job: remove the stock head and throw it away. Next, pull off the twin 38 mm Mikunis — they’re only really useful for a lites-class rider, so sell them. Step 1: Cylinder Head & Squish Buy yourself an...

my carb choice goes like this and its worked out of your budget. 1 being no budget 4 being best budget 38s oem44s 46 mikuni and lastly novi. If you have 38s and they dont need any work then run them. If they need to come off for a rejet then sell them to some one who likes them. from then on...

lol sounds like my garage

OK, but its sunday morning here and the suns out, can i do it later but really happy to do it and you will be surprised what you can do, I did this exact engine in a fx1 and it was awesome. so playful and so reponsonsive. I love over powered skis but the fx1 with this engine is an amazing thing

A stock 62t is 118 transfers the same as 61x except they are not closed over with casting. The exhasut is where it differs and the 61x is 179 vs 182 on the 62t basicakkt the 62t is a cleaned up 61x with slightly higher exhaust. It will make more power every where. if you widen up the exhaust to...

The 61x will not have more bottom end snap than the 62t 701, the transfers are to blocked from the factory. you are more than capable i know but you can also download and print our porting templates off the site

A 701 62t is way better. By the time you port a 61x to make power you actually go past a 62t anyway. the reality id you can widen the exhaust port on a 701 62t and set the squish correctly, put some decent carbs, pipe on it and away you go.

Ha ha Those moments make you feel like a hero, Love those moments

It means its jetted about right. You have to feed the ponies and lot of oil means lots of power. Relax all my skis make black Jam

https://www.waxracingproducts.com/products/yamaha-chamber-fx1-superjet

Did you send me an email that i just replied to ??

https://www.waxracingproducts.com/products/yamaha-superjet-pole-bracket

I love the fx1. I just love the beserkness of them. We are building a new one at the moment for the business

Yes thats what its designed for. its being made right now.

Yes, of course — to a point. The mass of the piston and its speed determine the dynamic load, which in turn affects stretch throughout the system. A longer stroke increases piston speed, raising the dynamic load. That said, we don’t rev these engines particularly high, so it’s less of a concern...

Squish: The Simple Secret to Power, Cooling, and Reliability in Two-Stroke Engines If you’re building or tuning a two-stroke engine, there’s one thing you absolutely need to get right: squish. It sounds weird, but it’s one of the most important parts of how your engine makes power, stays cool...

Love it. That's a great Idea