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Honda TRX 300EX Starter Issues

1509 Views 4 Replies 3 Participants Last post by  pastorpete
Looking for some help as I have been spinning my wheels as to why my sons 300ex is making a screeching/whining noise when starting up. Any help would be appreciated. I thought it was the starter, but the starter sounds fine when not connected to the gears. I thought it was the one way starter bearing, so I replaced it and still have the sound. I have a video of the sound but cant seem to find a way to upload it.


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Welcome to the forums!

My money would be on the starter still being the cause. Removing it and spinning it with zero resistance dosnt really say its good. But before i was 100% i would check the idler gears and bearings in the side case that make the connection to the starter clutch gear. Since you changed that already my money is still the starter though. My .02
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