More ccs on the T-dub
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Thread: More ccs on the T-dub

  1. #1
    Junior Member yawabala's Avatar
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    Exclamation More ccs on the T-dub

    Hey guys,
    Here's one,just about how many cases of success have there been in fixing bigger engines on your t-dubs?I've been floating the idea, but I kynda freak out at the thought of it not working.....

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    Senior Member plumbstraight's Avatar
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    If you need to outrun lions, get a faster bike. These little bikes are great for anything but speed.
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    Senior Member Borneo's Avatar
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    Among other things, you will have to account for the countershaft issue. Engine swap: xt250 - Yamaha TW200 Trailway Discussion Forum
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    Banned qwerty's Avatar
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    Tdub2 is 267cc and peak torque is almost double stock, with significantly more area under the curve. Better have a fat wallet. The EFI alone was almost $900.

    Displacement alone won't make much difference as the air flow limits of a mild cam and small carb choke the stock displacement. If you have a few hundred dollars to spend, a mild cam and matching springs will provide the most bang for the bolt-in buck. Follow that up with a bigger carb and custom airbox with a free-flowing filter (low buck trick would be a TT-R 230 carb) and you'll notice a big difference in power without much compromise in efficiency or durability. Aftermarket exhaust will tend to add peak power, but at some cost of low/midrange and torque curve width, which can be a problem with the wide ratios of the top gears of stock transmission. Exhaust would be the last thing I'd change if I wanted more power--the stocker is actually pretty good, other than being heavy.




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