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For those with an LS based jet, what are you doing for plumbing? I've got a 2005 Aftershock Skier with an LQ4. When Aftershock built the boat they deleted about half of the closed-loop system and it's been that way up until now. It still has a water pump and a thermostat housing (no...

Anyone have a tuner they can recommend in SoCal or Havasu area? In the process of rebuilding an Kodiak Marine 6.0 LS LQ4 and it will need to be tuned after its all done. Never had a boat tuned before so I'm new to the process. Would I need to bring them just the computer, the motor, or the...

$30,000. 2005 Aftershock 21 Skier open bow Jet boat. Has 330 hours with 180ish of those hours at idle. Kodiak marine 6.0 LS motor. American turbine pump & hydraulic Place Diverter. 40gal fuel tank. New forward/reverse cable, sound system, & fuel filters. Batteries and trailer tires are 2...

I was cruising up through Needles yesterday when the motor almost died for maybe 1 or 2 seconds. It felt like I ran out of fuel but I had almost a half tank so I knew it wasn't fuel. I decided to turn around and head back to the marina. Maybe 5 minutes later the motor died while cruising back...

Looking for some opinions/clarity on jet boat plumbing. New to the jet boat world and everything I've searched for online still has me a little confused. I recently purchased a 21 skier with a 6.0 vortec (Kodiak Marine) and a dominator pump. It originally had the water inlet from the pump go...

Recently purchased an Aftershock 21 Skier with a 6.0 Vortec (Kodiak Marine) and a dominator setback pump with 260 hours. Last October while up north at Lake Don Pedro for a houseboating trip it ran good for 5 out our 7 day trip. Started it up on the 6th day and it would not rev past 3000rpm...

How's it going guys. New to RDP and thought I'd share my boat and a little about myself. Been a long time central California river rat (Kings River) on stand-up skis since I was a kid. I've always had a soft spot for jet boats and when COVID started and some guys began to get rid of their...