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2021 yfz50
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Discussion Starter · #1 ·
Hello, I bought my son a 2021 yfz50 in April. He rides it hard but the bike has been handling it just fine. The other day he parked it for a few minutes and when he jumped on to start it all he got was a buzzing sound from the starter relay switch. It starts just fine when I use the Kickstart. I checked all of the fuses I could find. Battery voltage is at 11.43 last I checked. The ground wire is still in place. I'm at a loss here and would appreciate any help you can offer. I searched the forums and didn't find any threads with this problem. I'll post a YouTube link below of the sound it makes. Thank you for your time!

 

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Registered
2021 yfz50
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2 Posts
Discussion Starter · #3 ·
Could be the starter relay
Could be the starter relay
So, I was able to jump started the quad by hooking it up to my cars battery. I borrowed a battery charger and charge the quad battery to 13.2 volts. I then tried to start the quad with the fully charged battery but it still buzzes. Could the battery have low cold cranking amps?
 
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