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UPDATE. ISSUE HAS NOW THROUGH THE ENTIRE RANGE. DEFINITELY A SPARK ISSUE. Maybe the CDI is crapping out ? 1980 gs850g.
Vance and Hines 4to1 Dynojet stage 3.
Carbs all cleaned, running really well except right at the very top of the range.
It feels like it flat lines. Doesn't bog or pop like a rich or lean condition.
In neautral a quick rev will get it all the way to max rpm no worries. But under load she just seems to stop at the top end like it's cutting in and out for a split second.
Still very rideable but a strange problem.
We went up and down on the jet sizes all the way until it was bogging from the 150 main jet.
It's a strange one. Doesn't feel like a rich or lean bog. No surge when you roll back on the throttle, no pops or anything.
Could it be a timing thing ?
Vance and Hines 4to1 Dynojet stage 3.
Carbs all cleaned, running really well except right at the very top of the range.
It feels like it flat lines. Doesn't bog or pop like a rich or lean condition.
In neautral a quick rev will get it all the way to max rpm no worries. But under load she just seems to stop at the top end like it's cutting in and out for a split second.
Still very rideable but a strange problem.
We went up and down on the jet sizes all the way until it was bogging from the 150 main jet.
It's a strange one. Doesn't feel like a rich or lean bog. No surge when you roll back on the throttle, no pops or anything.
Could it be a timing thing ?
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