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Discussion Starter #1
If you had the opportunity to get a carb and had to choose between an FCR 39mm w/o hot start but w/ a TPS or an FCR 41mm w/ hot start but w/o TPS which one would you take... same price

im going to use it on a DRZ400SM (havent bought it yet, but plan on it soon)
 

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Discussion Starter #2
anyone?
 

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Does your DRZ require a TPS carb to run? If no get the one without it, just more stuff to get in the way. 41mm will let 'er breathe better too.
 

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No, you can run a DRZ without TPS. I run a 39mm with TPS(disconnected) and Hot Start. You won't need a 41mm unless you have big bore or cams or both. With stock motor, airbox mod and exhaust a 39mm Keihin make a night and day difference over the 36mm Mikuni.
 
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