Orange County mechanic recommendations

MaxxM256
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7
Joined
8/3/2019
Location
Corona Del Mar, CA, USA
MaxxM256
I have a 2020 yz450f that just started giving me starting issues. The start button makes no noise at all, I replaced the battery and the starter relay and the bike still won’t start. Does anybody have a reliable mechanic that could diagnose the issue? Any relays would be appreciated!
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Zerofear66
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1081
Joined
4/27/2017
Location
Anaheim, CA, USA
Zerofear66 8/27/2025 1:18pm
8/27/2025 1:18pm

PM sent

YZed250
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1349
Joined
11/9/2014
Location
Costa Mesa, CA, USA
YZed250 8/27/2025 2:01pm
8/27/2025 2:01pm

Ha, I just spoke to Graham Gustin on the start line of the big bear race about diagnosing a YZ450 starting issue. 

Give him a call, he's close by and will shoot straight. 

Gustin Motorsports 

(949) 287-6922

Factor E
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967
Joined
9/22/2011
Location
So Cal, CA, USA
Factor E 8/27/2025 6:45pm
8/27/2025 6:45pm

Bench test the starter

GoYamaha
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269
Joined
2/12/2016
Location
SoCal, CA, USA
GoYamaha 8/29/2025 4:44pm
8/29/2025 4:44pm

Im in Menifee if you still need some help. Pretty knowledgeable on these bikes.

Ryan

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