Nmax Keyless Not Working

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Vinnie Frevert

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Aug 3, 2024, 5:12:18 PM8/3/24

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Hi, my 2022 nmax 125cc sgcu stopped working and the mechanic said it will take 5 month for a new one to come in and will cost me 500. I found the exact one on eBay for 100 with the same code and numbers. Can I just simply put that on my bike and use my key? I asked around and I was told the cdi unit (which handles the keyless entry) is not coded to the sgcu? Anyone that could help would be appreciated.

Depends on whats up with it and why? Goosed software or hardware?
Keys are coded to immobliser which in turn can be coded to the ecu...if you change that its needs to know thats its partner now so you need a electrical software engineer or well fitted garage (often used to ecu programming).

Yamaha did not invoke this Yamaha Nmax recall. I did. And I did it to give you, the prospective buyer of the old model Nmax versus the new one, the information you really need. To make an intelligent decision on which model to buy. Old versus new.

I have lived in Pattaya Thailand for the past 16 years. Where I drive my two motorbikes, my Triumph Street Twin and old model Nmax 365 days a year. Rain or shine. Here a motorbike is an essential took. Just as the car is a necessity for everyday living most places in the United States. Whereas here in Pattaya a car is totally unnecessary except for those who need it to make a living. Or golfers who cannot be touting their golf clubs on a motorbike.

Although I will admit that big motorbike reviews from Cycle World and MCN are very thorough, interest and worth reading. Internet reviews of small motorbikes in the 125 to 150 c.c. class leave a lot to be desired. The good ones from countries such as Thailand, the Philippines, Malaysia, etc where English is not the dominant language. Which leaves the English speaking world in the dark. Whereas those reviews in English are nearly always limited to the new features being introduced in the new models.

In my two reviews of the old and new model Yamaha Nmax bikes I mentioned my misgivings over the reliability of the old model. But two weeks after I completed both reviews, the need for announcing my Yamaha Nmax recall suddenly came to me.

The friend put a new battery into the remote. The small red light that indicates the remote is working comes on. But for some reason the remote is now unable to communicate with the rest of the keyless ignition system.