Tech Info

Removing Throttle Body and Installing TSP Idle Screw

Step by step instructions on how to remove your throttle body from your TPI two-stroke, and how to install the TSP idle screw.
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Adjusting TPS Voltage

This video describes how to check the volatage coming out of your TPI’s throttle body positioning sensor and how to adjust it using your TSP idle screw for an optimum idle setting.
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How to install the TSP Power Kit

Removing your ECU and preparing it to ship to South Bay Moto Performance for the TSP reflash. Step by step instructions on how to install the Two Stroke Performance Power Kit on your two stroke TPI.
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TSP Power Kit – What’s in the Box?

Dave from Two Stroke Performance describes the TSP Power Kit and how it will affect the performance of your two stroke TPI. Sold Exclusively in the US by South Bay Moto Performance.

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2020 KTM TPI Upgrade Testing

Testing the TPI Power Kit on a 2020 KTM.

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TSP Idle Screw Modification for KTM & Husky TPI Models

Dave from Two Stroke Performance describes how the air mixture screw works on the side of the throttle body, and how to install the idle screw modification on all KTM and Husky two stroke TPI bikes.

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Welcome to South Bay Moto Performance!

Howdy folks, and welcome to the South Bay Moto Performance web site.  I have been riding and racing off road motorcycles for well over 25 years. I have two sons who have been racing enduros and hare scrambles since they were 5 and 7 years old. They are both grown young men now still riding and competing.  I have spent countless hours researching and testing, always looking for ways to improve the motorcycles. In this article, I’d like to share my experience with the Two Stroke Performance power kit upgrade for the KTM and Husky, fuel injected two stroke motorcycles.

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