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This is probably a 'dumb question', but here goes anyway! Has anyone ever tried an RB'd carb off of a 220 on a 200? I had an RB'd carb off of a 220 given to me and just wondering how it would compare to the stock carb on the 200. I'm assuming it would choke it down quite a bit? I guess there's one way to find out, as switching carbs is not a huge deal. Just wondering if anyone has already tried it. And a related question... It seems like almost everything I've read about the RB carb mod's is for the 220's. Are the performance improvements just as impressive on the 200's?

He bores out the 220 carb, so performance would be equal or better than a stock 200 carb.

^what he said, but I will ad that I asked him specifically about this as I have both 220 and 200 carbs. Ron said send either one (actually, the one in better condition) to him for modification as it won't make any difference in the end. Your 220 RB'd carb should perform better than a stock 200 carb.

I'm tuning and riding on the 220 carb now (well, once its warm enough to ride), then will do the 200 carb to get a feel for the difference and plan to send the 220 carb to RB for mods.

RB'd 220 carb and RB'd 200 carb are exactly the same minus any main/pilot/needle differences. One just gets bored out 2 more mm. You can read up on here for some common jetting baselines.

The above statement, this is a great value for me and many people here.