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KTM MX & Off-Road Dirt Bikes
Tuning the KTM 380 Barrel / Piston / Head
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[QUOTE="cujet, post: 137736, member: 19501"] I cannot really help you with port specs, However I run a Husky 360 on the street. It was an "enduro" engine with mild port timing. I ended up running 194 degrees of exhaust port duration and 134 degrees of intake port duration. I am doing this by memory so forgive me if I am off a little. The bike has an FMF fatty pipe that was also tuned for the enduro engine. I ended up shortening the headpipe by 25mm. This was to get the pipe tuning in sync with the port timing. I used a couple of programs to determine the pipe specs along with a question posted to Eric Gorr. My bike is fairly quick now and really revs out. It makes about 55HP at the rear wheel. You may be looking for more. I am happy with the power, however the need for more is always there! Chris [/QUOTE]
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Dirt Bike Discussions By Brand
KTM MX & Off-Road Dirt Bikes
Tuning the KTM 380 Barrel / Piston / Head
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