Adjusting Krash Pipe Temperature

How to adjust pipe temperature

The exhaust pipe temperature is critical to performance and a key part of every tune up.

Make sure ski is broken in and fully warmed up. Come to shore and immediately open hood. Splash a few drops of water on pipe to make sure water doesn’t sizzle away indicating it’s super hot. If not, then it should be safe to put your hand on pipe (near adjustment valve).
You should be able to keep your hand on the pipe for about 4 or 5 secs before it gets uncomfortable. That would be a good temp to start with and is usually fine.

If you have an infrared thermometer you can point it around to see what readings you are getting as a gage for future. Point it at several areas on the pipe including waterbox and connection areas so you are aware of the differences in temperature through the exhaust system. If something gets too hot it could cause damage so the thermometer is great tool. One thing I found is that they don’t all give the same readings so that’s why I start with the hand test to get in the ball park.  
If you want to try a little hotter or colder for tuning, Nick from Krash recommends 1/4 turn adjustments to the top screw. 
Again you want to avoid it getting too hot. Too cold will lower performance. 

We recommend a flow control valve on cooling hose to the waterbox. It restricts the flow of water to the water box at lower rpms when cruising so you don’t have to force excess water out when hitting the throttle. This will keep the engine ready to rock.

Make sure you get the performance carb tune up too. It’s a must for Krash engines.  
Hope this helps!


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