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Ya a 6/12 and a nozzle bored to 90 would be a good start

I say go with 6/12 skat but wtf do I know anyway.

Op question. Amsoil interceptor is also gold in colour, you can not tell after it's been mixed. I only run amsoil, engine builder for mx and ski. My 2c.

Never feel bad about bumping old threads. Just reminds me how old I am, ha.

I really doubt the brain is bad if you bought brand new recently. I've seen them go bad after 5-10 years but not new however will be under warranty still. My msd fuse holder has went bad before with fuse still looking good if that helps.

i want to do it because I can. It's been done before with excellent results. It's not wasted money if I plan to upgrade to larger cc motor later on.

Install some footholds and look for a aftermarket pipe that's in your budget. Also keep your eye out for a higher compression head like a ADA. Pipe and head will wake up your stock motor, on the road for some air time. Keep an eye out for a skat track 12/17 prop.

Bump, no one has specs for a dual Rivas on a sub 800 motor?

I'm doing the same. Can anyone chime in if they run dual powerbombs on a ported piped 735 Yamaha. Looking for some base specs to get me started. Carb database has very little info with regards to dual powerbombs.

I bored the nozzle to 90mm. Made the world of a difference. Pump performs really well now. It stays way more hooked up than my 144. I'm running the small cone in the Tbm and have not had the chance to play with the cone sizes. I'll update when I do.

Just a piece of stainless rod I bent into shape. Goes into a sleeve nut for adjustment on trim.

I'm running a 155 in a superjet I just installed this year. I bored out my 144 shoe but didn't have time to mod the intake section yet. It's a oem 155 with 6/12 d75 prop cut back 5mil on a bpipe 735 with total loss and ported/head etc. I have not modded the pump at all other than installed a...

That pump is the one your looking for if your going oem style. Good luck.

https://detroit.craigslist.org/okl/boa/6070571704.html

Keep it up man. Everything looks awesome!

@D-Roc

50/50 simple green and water in a solid tech. It's a 2l I believe, just big enough to fit a carb. Works great for us.

Don't know why you would do that to a rickter but I vote 155.

Start with the cone. Then get a good prop. Bore your nozzle after you've done some engine mods. I recommend a 12/17 skat.

Short version... Remove the pump from the ski, 4 bolts. Remove 4 long bolts that hold pump together. Use flat screw driver to pry apart pump at wear ring. Impellor stays on driveshaft. Put on new wear ring. Bolt pump back together and reinstall.