Quote:
Originally Posted by ducatiman
Frankly, I'd be curious to examine present tuning set up, ascertain (via measurement) jet sizes, presence of needle shims, etc. prior to returning them to factory spec. I'd suspect a far east jet kit currently resides in them, based on Bob's finding no jet sizes stamped in the mains. Gotta see 'em, closely examine 'em to be sure.
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Yes, that sounds good. I saw that his jets were unmarked and figured he'd need to buy genuine jets. My suggestion is to buy jets of exactly the same sizes as the stock ones.
The triples board is full of posts from guys who installed carb rebuild kits and wonder why their bikes don't run well. For some reason these kits are assembled for sale with absolutely no effort put into choosing jets that will actually work properly. I assume the same is true for no-name Ninja 250 kits.