[help needed] I want to use MicroRusEFI on my motorcycle

[linx]

But only the crankshaft sensor, without the camshaft sensor, I was able to run the engine using the "waste spark" ignition mode

Encountering a problem: Sometimes the engine stalls when the accelerator is turned on while idling (even if the fuel injection quantity is increased), but sometimes it is normal. I suspect that MicroRusEFI did not correctly recognize the intake stroke for fuel injection. I also have an intake pressure sensor. How can I fix this situation?

ps: My native language is not English, and the translation software may not express myself clearly. Sorry

[linx]

Perhaps my question was not very accurate. What I asked was, can I use MicroRusEFI on my motorcycle with only the crankshaft sensor

[AndreyB]

Yes, you can

You can also sync by MAP for better results

[linx]

Yes, you can

You can also sync by MAP for better results

Thank you very much for your reply. I successfully solved the problem of engine stalling when turning the throttle by using "Fuel Strategy" ->"alpha-N" in the "Engine Basic Settings". My engine is already running (although its working condition may not be very good). Now I have two questions need to ask:

1: Why can the engine run? I only have one 24-1 crankshaft sensor. How does MicroRusEFI recognize the intake stroke and perform fuel injection? I used the 'waste spark' ignition mode and observed that the fuel injection in 'rusefi_comsole' was only executed once;

2: I am using the 20241117 version of rusEFI, and I haven't seen where I can set up the use of map for synchronization yet

Sorry, I am a beginner and have many questions to ask

[mk e]

1) Its ony 1/2 sync with only a crank trigger so you need batch fuel I think and that should give fuel every revolution.

batch.JPG (87.1 KiB) Viewed 10708 times

2) MAP sync is in the cam signal settings

map sync.JPG (168.34 KiB) Viewed 10708 times

then just guessing be sure and set this to a rpm that you will have a good MAP signal...MAP goes away at WOT

advanced.JPG (65.37 KiB) Viewed 10708 times

and probably this so it will start before its spinning fast enough to be pulling good vacuum. good luck!

faster start.JPG (117.28 KiB) Viewed 10708 times

[linx]

1) Its ony 1/2 sync with only a crank trigger so you need batch fuel I think and that should give fuel every revolution.
batch.JPG

2) MAP sync is in the cam signal settings
map sync.JPG

then just guessing be sure and set this to a rpm that you will have a good MAP signal...MAP goes away at WOT
advanced.JPG

and probably this so it will start before its spinning fast enough to be pulling good vacuum. good luck!
faster start.JPG

Thank you so much ！！！！