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Old October 10th, 2019, 12:23 PM   #10
Ralgha
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Name: Kevin
Location: Portland, OR
Join Date: Oct 2013

Motorcycle(s): Ninja 250R, Tiger 800 XRT

Posts: 828
Quote:
Originally Posted by DannoXYZ View Post
Note that NONE of the numbers in jetting-DB is for newgen (08-12) bikes. And they don't have any before AFR readings from wideband-O2 or dyno, so results are questionable.

What happens most times is carbs get clogged over time. Rather than disassembling and doing proper cleaning, people just install larger and larger gets over time to make up for clogged carbs. But hey, it works better after installing larger jets, so obviously factory ones were too small right? Except you keep on having to upsize jets over and over again as carbs gets more clogged.
Are you referring to the jetting database thread in these forums? They're mostly 08-12 bikes.
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