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03 450sx converted to 525sx or bigger?!

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alright ktm guru's, cant seem to come across any definite info on this. I use it soley for the road, it has smr wheels on it and the 6speed conversion, it has great power but I want more. what really needs to be done?

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Unless you want to spend shit loads, I would stick around the 540 mark. The reason being, once you go much past that size you need to do a fair bit of headwork and big expensive cams to make it run well. Without the work you would end up with a torque monster that wouldn't  want to rev.

You should already have the 806 cam and 41mm carb being an sx. A 540 with that  combo would be fun and relatively cheap.

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so a 540 kit and be done? id be happy with that much, id love a 690 smc but really don't have the coin to flip on one yet.

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