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How do I lean out K-Jet? 140-160

posted by  someone claiming to be Niel on  Thu Oct 23 16:24 CST 2003 [RELATED]

To add something that Lucid implied, remove the hex key before starting the engine. If you don't, you can/will damage the unit. Also, it could be worth cleaning out the air flow path of the fuel metering unit. My 760 (which I've bought in a bad but running state) was extremely dirty, and I've used a whole can of carburettor cleaner to wash out the unit. Did not remove the fuel lines, just unscrewed everything and gently tipped the unit over to flush out the dirt. And there was lots of it. To check, also push down the air flow flap to feel if it moves smoothly. Also make sure that there are no air leaks on any of the inlet manifold hoses, especially ones that occur with higher vacuum, especially since you want to lean out the system. Air leaks are one of the most common K-Jet problems. I feel the hoses should have clamps fitted, as they go hard with age and start leaking. Happy tuning...






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