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I've used bondo for cars, easy to sand off. Hasn't had a problem.

keep the weight off and only put a scupper inlet hole and an outlet then just mount the scupper on the back. I ripped out my inner scupper tube, thing was pretty heavy. I have no issues running it this way. Goingbigger gave my this tip

I'm running a 142 on my SXR and love it. I would go for the bigger pump in anticipation for future power upgrades. I also hear go things about the TBM super pump cone, the Skat is a lot of added weight since its stainless steel.

no not yet. I'd like to hear more feedback on that mod.

my TDR with front exhaust only is perfect, not very loud. it's the power spray model. SXR

most say waterboxes just sound faster, I had to rejet my carbs after installing the TDR box, not sure of any gains. just sounds awesome

I cut the rear out to reduce drag and also cut about 3/4" off the bondline lip. I handles great for freestyle.

I don't think Yamaha is thrilled with the Standup community size, everybody i talk too generally have to ride alone because people are afraid to get wet or are lazy. We are a limited breed!!!

front only with a TDR box or stock, the others are way louder. I lost 12lbs with the front only exhaust and TDR box.

I have an SXR with a RRP pole and have it -5", i like this pole, easy to adjust the length

mine the same, turf em over. the stock rails are heavy...

i run two wamilton bilges and a scupper, it does leak. just put it on a stand. my ski will sink in ten minutes easy...

I had the blowsion kickers and just ripped them out on sunday, chopped them up and repositioned the hump a lot higher and deeper. They where totally small and offered little leverage.

I had one on my SXR and switched to the RRP. I love the RRP! The RRP is 2 or 3 lbs heavier than stock, I believe the UMI is around 12lbs.

Call Art at Jetworks, maybe in the 510 call Ultimate watercraft ask for Brian. TBM will give you his number too

I've got an SBT too, my OEM crank blew at 50 hrs, I have 120 hours on my SBT crank with the mods below on 04' SXR built for freestyle ported and bored cylinder dual 46's BJ's tbm total loss flywheel advent ign magnum pump 142mm skat 9/17 prop R&D M16 reeds and manifold factory wetpipe...

I have 24cc domes on my SXR and my cheapo gage read 180 when actually it was 205.

besides the problems mentioned above it looks like you are detonating. check to see if you have pits on the exhaust side of the domes and piston tops. Is your gauge accurate? you may be running a high compression race boat on 92 octane. what gas are you running? My gauge was off and it cost me...

why the one way valve, unless it will be floating for some time, if not just get a scupper valve from x-metal or wam and cut a hole in the rear and one in the front, cut out the foam and you are done. When the foam gets wet it will drip dry between rides. I'm running two and have no problems...

get a Rick Roy Pole and try various positions.