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Hi, I have a 1996 RN with 701 61x/61x engine with a b-pipe, and so a single carb. I am replacing the carb with a Mikuni SBN 44 that I bought from a guy who said he had bought it new and set it up for use in a super chicken which I think had a kawi 750 engine. Apparently, it was used for this...

Pros and Cons for lithium? Recommendations?

Don't know why but just watched this installation video for rrp ninja flow guard: Rickter-RRP Flow Guard Installation Guide for 144mm and 155mm What is the purpose of the guard?

At the rickter relaunch announcement page: https://rickter-rrp.net/we-are-back-rickter-hull-production-relaunch/ It says: “However, we would like to address a recent issue. A former partner and a previous distributor have launched a product that closely resembles our own. While it features...

The stock siphon pump system has been disabled by disconnecting the hose from the reduction nozzle and bunging it. So no unexplained water since then. If I am in rough conditions like waves or whatnot and the ski goes over on side and I do not get it righted right away then it seems I can get...

@Big Kahuna - I decided to try to improve the system by extending the hose and adding a check valve. The check valve is blue in the picture and I added a small loop of (black)hose before the exit vent. The check valve is at the topmost part of the loop. Any water that might come in the...

Any joy?

@Masonic - did you get the SJ4 service manual?

Yeah, best practice would be to use a longer hose and route it up a bit before exit just as you suggest. That was the hose that came with the bilge pump kit (along with the pump, the handlebar switch, and the electrical connections including fuse and waterproof fuse case). If it seems water...

I installed a bilge pump to the SJ4 Key was cutting out the right foam to allow that the pump could go as low as possible in bilge (note that in the pump location I cut the foam right down to floor), and also some just starboard of the the pump to allow the pump to be a squeezed down into the...

Working on this ski again now. I have pulled the gas tank and trying to decide whether it would be easier to pull the water box too, to help cap off exit to front exhaust and as well get better access to the inside left for the fiberglass work. Looking for the easiest route overall. Is...

Hello - i am not sure what you meant by a removable plate. Were you meaning as a way to leave an option to later go back remove sponsons and put back the front exhaust? I had been thinking in terms of permanent patch and commit to the sponsons. I have destroyers on my SJ4 and this was what...

To each his own. That is not a link to anything of mine. It is a link to someone's post in a Facebook SJ4 performance group. I knew of it and posted it here given your OP.

look here: https://www.facebook.com/download/1028067142301242/superjet%204t%20manual.pdf

Hi John - How do you separate the reduction nozzle from the pump case? The service manual, sadly, makes no mention of this in the pump disassembly section. I have found this very difficult - much more difficult than getting the case off the transom wall. There does not seem anywhere to...

The spline sizing is common to shafts / impellers for many skis. For Solas the impeller is YJ YH series. Solas calls tool WR001. Yamaha’s is called YB-06552. There others with same specs. I got mine from @tomski

Oh that is an RRP pad I got through @tomski. I get most all my stand up stuff from him now.

Ok thank you very much. I was thinking the pump could not go there because of the steering cable. It looks like Takaai moved his steering cable so it is not routed through that hole in the white plastic midshaft bracket. I do not think the pump can fit there otherwise. I guess I will have to...

@Big Kahuna - I don't know that this makes any difference but, would you please tell me exactly how your siphon hose is routed from the transom to the reduction nozzle? Specifically, at the top of the reduction nozzle starboard of center there is another little connection tube sticking up...

Yes. I think the hole is meant to serve as you indicate BK. The hole was definitely clear just prior to when i reinstalled the right angle connection, as I had completely removed it and was able to blow air through it. There is so much water in the hull in such a short time, that it seems like...