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Date Posted: 19:28:25 07/13/09 Mon
Author: Mike K (same frustration)
Subject: Re: sportjet 120 - high end power loss
In reply to: Randy 's message, "Re: sportjet 120 - high end power loss" on 07:38:55 05/15/08 Thu

I have same problem and am perplexed too. If you determine the problem please share.

Thank you!

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[> [> [> Re: sportjet 120 - high end power loss -- tom trudeau, 10:19:20 07/24/09 Fri

the problem is that the carbs are not balanced. take the airbox off, put the throttle lever to wide open, look inside the carbs,(mirror required)the throttle plates should both be exactly parrallel to the air flow. the problem you describe is a condition of the plates going beyond center. (they start closing)thus restricting performance. also make sure the timing is 30degrees btdc at 5000rpm

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