0.64 REPLY_TO_EMPTY Reply-To: is empty
Hello Patric
You said that you recent did a full refurbishment of your 914. Was a major
overhaul
done to it?
First off was it running OK before you did refurbishment?
Check that the carb cables are rotating freely at the carb, and as Cliff
mentioned
check with a set of gages. you need to disconnect the cross balance tube,
a good place to connect gages.
When you rebuilt carbs, did you replace O rings and careful check diaphragms?
Very careful check that you have all plumbing attached correctly, make sure you
have no leaks.
Check carb attach flanges for tears. If you do not have latest part number,
replace
them.
You did clean your air filter?
You do have proper differential fuel pressure? If you have plumbed in parallel
the 2 fuel pumps, try turning 1 pump, if still a problem turn off both pumps on
ground for a while and see if it runs OK. When a carb is getting close to
running
out of gas, it will begin to run leaner, thus if you have a rich mixture
problem, you will get a temporary reprieve just before carbs run out of gas.
If it does run OK, look close at needle valves and differential pressure. Fuel
pressure regulator I hear can sometimes give a problem with improper
differential
pressure.
Did you look and check that needle valve in carbs are not leaking when running?
Gas dripping out bottom of carbs?
Specific make sure that carb float bowl vent lines are in perfect condition and
connected to the right place.
You absolute have the correct heat range spark plugs installed? And have the jet
needle clip in the correct grove? You need to research the latest 914 main jet
size and correct jet needle positions.
Mechanical condition of Motor OK?? Differential compression test?
Good Luck
Sincerely
Ron Parigoris
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