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Old 09-26-2012, 12:16 AM   #16
Beastly Adventurer
Joined: Jan 2012
Oddometer: 1,673
TLR's often seem not to rev out fully almost as though there is some form of rev limiter function in the CDI unit, which means changing main jets is not going to make an awful lot of difference. Cheap pitbike CDI units provide a much better spark over a wider range of engine speeds, and in combination with a good exhaust, correct alterations to the air box, and properly set up carby will mean running is greatly improved.
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