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It has been so long. I don't remember problems with setting the tps on Quotas. The balance was another matter. I started drilling the plastic cover over the balance screw which tightened over a slot, a rpita. Long drill from the front sneaking between the cylinders and then a long screwdriver, usually but not always successful. I loved the way the Quotas ran when they were right.Brian
Screw C is for balancing the butterflies. I took my throttle body off and balanced it on the bench using two drill bits. Still took an hour because there is nothing to hold it when you tighten the screw down. Screw E has to with adjusting the fast idle. Make sure that the air screw is screwed in tight. Some have tried to balance using it.