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1 Lean Cylinder
The plug on #6 is wht, the idle circuit is rough up to 2k and smooths out.
Rebuilt the carb over5/6 and still have the problem Jon |
Jon
You mentioned that you had a LM-2 wideband O2 meter. What does it show from idle to 2500 rpm as you gradually increase the speed? Does it go rich or lean just after idle and then come into normal range as you approach 2000 rpms? It would help to know how your A/F ratio varies as a function of your rpms. The white plug in #6 suggests that you might also have some debris in that idle circuit. It is worth a check to make sure since you did have debris in other cylinders. John |
Intake gasket
With the carb back off I took a picture inside the runner and the sealant on the gasket on the intake side is compromised over cylinder #6 and the gasket has to be replaced. That will solve the lean cylinder
Jon |
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