Idle tickover

Technical problems and the joys of the EFI Royal Enfield

Idle tickover

Postby bobbingalong » Thu Jul 19, 2018 7:48 pm

What should it be how do you measure it on a 2016 efi please keep it simple
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Re: Idle tickover

Postby Arizoni » Wed Aug 22, 2018 11:05 pm

Royal Enfield recommends a idle speed of 1050 rpm.
This might sound a bit fast but it helps the alternator charging the battery and it keeps the oil pressure up so the hydraulic valve lifters stay pumped up.

Without a tachometer that is somewhat difficult to measure but if your motorcycle is idling too slowly like below 700 rpm you will hear the automatic de-compressor clacking like someone with a hammer is doing his best to destroy your engine. :D

Your motorcycle is probably idling pretty close to where it should be but if you want to slow it down or speed it up a little, look for a very large slotted brass screw down in a large hole in the top of the throttle body.

That screw is used to slow down or speed up the idle speed.
Screwing it in (clockwise) will decrease the idle speed. Screwing it out (counterclockwise) will speed it up.
1/4 turn will change the speed about 200 RPM.

Under NO circumstances should you mess with the screws on the side of the throttle body where the throttle cables connect. These screws do NOT adjust the idle speed and they are factory set. If you mess with them you will frinkle up the fuel/air mixture and a lot of other things. Just leave them alone.
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