Water Routing for Colder Temperatures

[JKMike]

Hey yaw,

With the water temperature continuing to drop, I'm wondering if I need to adjust my water routing or potentially add restrictors in the cooling lines? I took my ski out for the first time in about a month 2 days ago and again yesterday and the water temps were around 65 deg F. I noticed that the water coming out of the pissers was considerably cooler than it had been during the warmer months and it got me thinking. At what point am I over cooling my motor?

Here are my setup details:
XFR Carbon Hull
735cc Motor Ported by me
Dual 38's
ADA Head
Factory B Pipe
For the water routing: I have 2 1/2" lines coming off the pump that are reduced to 2 3/8" lines going into the manifold. Then I have 2 3/8" lines coming off the head. One goes through the B-Pipe and then overboard and the second goes to a Y fitting and then either directly overboard or to a Flow Control Valve going into the chamber.

 

[keith t]

65 deg F is a hot summers day in U.K. !!!!!!

 

[JKMike]

65 deg F is a hot summers day in U.K. !!!!!!

So do you still run dual 3/8 cooling feeds and dumps in those temps? Any restrictors?

 

[Wetbuffalo]

Put some ball valves on the outlets. Let’s you dial it in. Or just take 1/4 fuel line and fit it in the 3/8s line outlets

 

[Quinc]

amazon has fuel line clamps that you can use to adjust flow through the water line.

 

[bored&stroked]

65 deg F is a hot summers day in U.K. !!!!!!

I run a single in/dual out stock sized lines setup in 115* air temp with somewhere in the 80's water temp all summer long no problemo. Dual cooling with 65* water temp is absurdly over doing it.

 

[fast superjet chase]

Here in Colorado we have cold water and I just put 2.5 seats in the pisser lines to let the engine warm up. But you need to fine tune it so you don't restrict it too much.

 

[ShowtimeStocks]

We use these in our cooling lines now the temps have dropped here in ct helps with fine tuning

Jetworks Adjustable Water Restrictor

Jetworks Adjustable Water Restrictor allows to ajust the flow on a 3/8 water line perfect for fine tuning exhaust and cylinder temperature

showtimefreestyle.com

Sent from my iPhone using Tapatalk

 

[tipafew]

I actually tap my pissers then run some stainless allen head plugs that are drilled out to desired size.

 

[TheBuzzard]

I use those cheap quarter inch drive small sockets for water restrictors on my XS1200. Look at the casting hole down the middle. Smaller keeps the motor temp higher.

 

[bird]

My outboard motor uses thermostat. It was fun watching it close when I hit the throttle yesterday. The water(32) had ice on the shore two mornings ago, now it's 70 out(air).

I have never put anything on my SXR and have ridden all 12 months here in Wisconsin. From 34 Winter air to 102 summer humid heat. That motor ran foreverz 1200 hours+.

You're not even running an aftermarket cylinder. Send it