I see 400ex with 450 carbs, anyone No how much gain?With stock or motor work..
I see 400ex with 450 carbs, anyone No how much gain?With stock or motor work..
Go on the 400ex forum and there is a big sticky about this whole topic. I changed mine and noticed a huge difference. How ever I already had a 440 kit and cam in the engine once I did the swap.
2002 440EX
Stage 2 cam, Port & Plolished, 12:1 comp, K&N, 450R 42mm Carb, Full FMF exhaust, Custom +2 Swing arm and A-arms, Graphics... Way to much to list. Did I mention NITROUS!!!
48 Hp with out and 68Hp with..