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My TL brain that I bought used and got 4-5 years out of finally stopped working correctly and acted as though the rev limiter was coming on very early. So I put a brand new one in and also replaced both pickups and coils. Now, I've noticed that one cylinder fires once per revolution, at TDC...

Someone mentioned to me recently that 2004 and newer 800s don't require the charging circuit to run. Can anyone confirm that, and does it apply to kawi triples as well? Reason I ask is I can take that 750/800 flywheel, remove the magnets and lighten the inside of the flywheel and I think get it...

Hope today treats you all well! Sent from my iPad using Tapatalk

I know there are a couple us around here. Please take a minute to thank those who serve and have served to protect your right to jet ski (among other things)! Sent from my iPhone using Tapatalk

Don't use them! This old SBT superjet (tapered) driveshaft had pitting. Turns out it was more than skin deep. Appears it caused micro fractures through the shaft that ultimately caused it to snap. This was between a 964 and a 148 pump...

Do XL props (155 pumps I guess) use a larger threaded shaft than the standard Yamaha props? Sent from my iPhone using Tapatalk

Just wondering if anyone making stuff out of plastic or urethane can or wants to speak to the process. I want to make some pump cones, and while I learned some things to speed up the process on my first attempt last night, it still will take me longer than I want to turn them on my lathe out of...

So we bought a couple 4272 modules in unknown condition. Luckily, they both spark on the bench. One will not turn the LED on when switch to LED OPERATE, though. The other one will. Was this something common with the 4272 and no big deal for operating it, or is it a sign of imminent death to...

Real quick- anyone know the the size and pitch for the 440 impeller/driveshaft threads?

Real quick, do the various 148mm pumps out there still use the stock 144 pump to shoe seal ring?

So I don't care for the maintenance of having the b-pipe coupler on my trim ring, plus I couldn't get the hose clamp to fit with my protec nozzle. So my first trim ring, I welded thin stainless on either side to fill the gap at full steering. I feel that while the tabs would help flow in one...

Thank you to all of those who have served and those who continue to serve. And thank you to those who support us and appreciate what we do!

I think my 42351 total loss brain is no good any more, but I'm just wondering if any one can confirm from prior experience before I buy a new or used one (anyone have one for sale). Tried to ride and ski kept dying. Discovered after that some heat shrink on the common wire the coils share...

First off, this is not the proverbial TPE 964 engine... Erik, Mr. TPE himself, built this Polaris based, 950cc engine in 2012 for me, about 6 months before the 964s began hitting the water, it I remember right. Well after two years of hard riding in salt water, I decided she was due for some...

This is a little late due to having like 6 hours of footage to chop and a honeymoon to go on, but here it is. We got some surf out of nowhere on a Friday/Saturday. Weather was raining and not very warm, but Josh (@flipside) on the Rickter, Craig (@zimmy) on the Viper, @WILKEY on the couch, and...

Happened yesterday... You may be jealous, but I'll forgive you! Cake topper: And our entrance:

I started messaging @Billybo455 23 March about his 800 Polaris engine he wanted to sell and I committed to buy it by the beginning of April. With Wave Daze just a few weeks away, I was trying to get him to give it to someone from Florida who was coming up to Virginia. He said he didn't know...

So a new guy here brought his wife's 1992 Kawi 750 over tonight because the pipe was getting hot and melting couplers. And after leaving tonight, it's still hot. About the boat- 750, single cooling line, PJS pipe, PJS head, no water box, the rest appears stock. Cooling is coming from the pump...

Last week we had two consecutive days of actually decent surf, and the Foot Rocket took advantage of it both days. Josh, @flipside, shared the Rocket on Monday, and Tuesday I rode with Torr. Enjoy!

Is there a general rule of thumb or trend for carb jetting when moving from a B-pipe to PFP...?