Quote:
Originally Posted by DannoXYZ
Quick test is to look at slides when revving and see if they lift fully. Vacuum increases with RPM and you should see slides lift higher and higher. At mid-range, they should be at least 50% open.
If not, reach in there with your fingers and help lift slides up as you increase throttle. Does it redline now?
If so, you've got slide issue. New diaphragms may help. May also need to scrub out vacuum-ports from beginning to end. Also make sure vacuum-chambers are sealed.
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I was able to get it to rev up tonight a little bit and saw that the slides were moving up as the throttle was increased. Correct me if I am wrong, but the air being sucked into the cylinder is what helps the slides to lift and in doing so lift the jet needle out of the emulsion tube so that more fuel can mix with the air and go into the engine.
Are the idle mixture screws the same on the 1986 and 1988 models?