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You need to have the mid shaft at the correct depth for spline engagement. In or out too far can/will damage inner mid shaft, and drive shaft splines.

No. Water sticks to a shinny surface. You want the machined finish Impros puts on the impeller to break the water tension.

Sorry, My site cannot calculate shipping costs to Canada. For Canadian orders you will need to call my shop. I can take all your info over the phone, calculate shipping, and send you an invoice to pay. Sorry, I do not do PM's here. You can email me through our site.

Could be many things wrong with your ski. By your description it sounds as if you are lean. Improper tune (jetting, etc), dirty carbs, fuel system needing attention, Air leak bad crank seals, etc. Or maybe even just needs to adjust the carb high/low screws. Has it ever run correctly?

What kind of riding do you want to do? I ordered a 21 as soon as they announced they were available. Originally I did so just to have one to develop parts, etc and had all intensions of selling it. I LOVE mine. Infact I sold my 2-stroke. I will say I am old, wore out and slowing down. I just...

This weeks video shows how to install one of our RCJS Steer systems on a gen 4 2024 Yamaha Super Jet. It will really be the same on all years SJ, and other aftermarket poles etc on other skis. RRP, UMI, and other systems are also very similar. Thank you for watching.

I have an OE from a Yamaha 650/701 $50 + ship. Our standard shipping to you on just a carb would be $16 You can see / order here; https://watcon.com/products/used-sbn-44-yam-650-701 I would strongly recommend going though this with a good cleaning, and genuine Mikuni carb kit. We have carb...

If you have it still, unplug the overheat sensor and re-test.

Over heating, or bad sensor will put you into a limp mode causing the rev limiter to kick in early. Bad CDI, plug wires, defective plug, can cause similar issues.

Our std kit is in stock, I am out of the 3" if you are doing a conversion ski; https://watcon.com/products/blaster-rear-exhaust

Shipping a pole can be expensive. I would guess $50-$75 depending on where you are located. (Whateverguy is in Canada which will be even more) Same with an exhaust system, large heavy box.

Black RRP OVP Systems in stock here. SN & RN steer cables, both standard, and HD as well. Straight, 4 deg, and riser fat bars, ODI Grips, and many throttle choices. www.watcon.com

https://watcon.com/products/used-stock-701-sj-head

Stock impeller is stainless. Not sure of the pitch number, but honestly it is really irrelevant. We find OE Pitch numbers don't always match anything;

go to www.watcon.com find your part, add to cart, and enter your information Our standard shipping is 2-day air to anywhere in the USA

Sorry, I do not accept PMs here. As stated above Please Give me an email or a call at the shop, and remind me to look. All of my contact info is below in my signature, or on my Watcon web site. www.watcon.com

I would NOT run that. Time for a crank rebuild

Pre Pretty sure I have 750 ones as well....

I am across the lake over in southern WI. We build MANY Yamaha engines, and would be happy to help. I will say sooner is better than later though as we are very busy, and only going to get busier with spring fast approaching. We offer full rebuilds, and machine shop services if needed. Reach to...